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TECHNICAL
BULLETIN
MONS 07S840
THE AROCLOR* POLYCHLORINATED POLYPHENYLS
A series of heat-resistant, chemically inert and fire-retarding compounds ranging from mobile oily liquids through viscous resins and solids that perform unique functions in over a hundred dif ferent industrial and product applications.
TECHNICAL BULLETIN O-FF/1
FLUIDS
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HONS 0758K1
2
Table of Contents
GENERAL PHYSICAL PROPERTIES CHART , 4
ELECTRICAL APPLICATION OF AROCLOR . Dielectrics for Askarel Type Capacitors and Transformers.............................. Impregnating Compounds...................................
7
7 7
MECHANICAL APPLICATIONS OF AROCLOR. Expansion Medium................................................... Liquid Sealant for Furnace Roofs.................... Vacuum Diffusion Pump Oil..............................
10 11 11 11
AROCLOR IN SPECIAL PRODUCT FORMULATIONS........................................................
Sealers for Gaskets................................................... Dedusting Agent................................................... Insecticides............................................................. Precision Casting Waxes................................... Abrasives.................................................................. Specialized Lubricants......................................... Industrial Cutting Oils.........................................
12 12 12 12 12 13 13 14
Appendix
Methods for Emulsifying...................................
Solubility Table........................................................ Vapor Pressure........................................................ Vaporization Rates................................................... Corrosion Resistance of Structural Materials. Viscosity Table........................................................ Density Table............................................................. Dermatology & Toxicity......................................... Safe Handling........................................................ Shipping Information..............................................
15 16 17 18 19 20 21 22 23 23
Ask your Men from Monsanto for additional Aroclor literature:
Askarel Inspection and Maintenance Guide Arocloi Plasticizers Technical Bulletin Therminol FR Fluid Heat Systems
Engineering Heat Transfer Data
Aroclor, Therminol, Sterox, Santomerse, Formver, Lustron, and Retinox are registered trademark* of Monsanto Company.
HOMS 075842
What are the Aroclor Polychlorinated Polyphenyls
These compounds are a series of chlorinated bi phenyls and chlorinated polyphenyls. They range in form and appearance from mobile oily liquids to fine white crystals and hard transparent resins. Aroclor is non-oxidizing, permanently thermo plastic, of low volatility, and non-corrosive to metals. Aroclor is not hydrolyzed by water, al kalis, or acids. The viscous liquids and resins will not support combustion when heated alone, and they impart fire-resistance to other materials.
Crystalline Aroclor is relatively insoluble, but the Jiquid and resinous compounds are soluble in most of the common organic solvents, thinners and oils. All Aroclor chlorinated compounds are insoluble in water, glycerine or the glycols. Aroclor 5460 is insoluble in the lower molecular weight alcohols; 4465 is only partly soluble in the lower alcohols.
Aroclor is used alone for a particular physical job,
such as insulating, and as a sealant or expansion media. Aroclor is also used as a component or ex tender in elastomers, adhesives, paints, lacquers, varnishes, pigments and waxes. The properties imparted by Aroclor (and their usefulness in par ticular applications) vary in regular gradient over the series. Selection of the right Aroclor for a par ticular use can generally be made by comparison of the properties, by blending two or more, and by adjusting the percentage used in the particular mixture in which the Aroclor will be formulated.
The following table describes the properties of twelve Aroclor chlorinated compounds, each of which is representative of a series. For almost every Aroclor shown, there is a dark-colored grade of approximately the same physical and chemical characteristics. These darker products are less pure, but are lower in price.
MCNS Q758<i3
3
General Physical Properties of the Aroclor19 Chlorinated Compounds
Form................................................................
Aroclor 1221 Colorless mobile oil
Color................................................................
Acidity -- Minimum (M(m. KOH per Gm.). Average Coefficient of Expansion.. cc/cc/C
Typical Damitr Specific Gravity............................................ Pounds por gallon -- 25*C(77*F)................
Dlilillaflon Raapa -- ASTM D20 (Mod.) Corr. *C........................................................
SO Max. (APHA)
0.014
0.00071 (15'40'C)
1.182-1.192 (25715.5 C) 9.85
275"-320
Evaporation Loss -- % -- ASTM D-6 Mod. I(3*C.................................................. 5 lus. 100*c............................................. 6 hrs.
flash Point -- Cleveland Open Cup............ C *F
Fire Point -- Cleveland Open Cup.............. *C *F
Pour Point - ASTM 0-97........................... -C
"F
Softening Point -- ASTM E-28....................*C
. *F
-- 1.0 to 1.5
141M50* 286*-302
176* 349*
Crystals at
Crystals at 3TF
--
RefrKlive Index -- D-line -- 20*C.................
Viscosity -- Sayboll Universal 210F (98.9"C)
Soc. (ASTM - D M)
13Q*F (54.4"C)
100"F (37.8"C)
1.617-1.618 30-31 35-37 38-41
Aroclor 1232 Practically colorless mobile oil 50 Max. (APHA) 0.014 0.00073 (25MOO*C) 1.270-1.280 (25 715.5'C) 10.55
290*-325*
-- 1.0 to 1.5
152M54* 305"-310* 238 460* -35.5 -32
-
1.620-1.622 31-32 39-41 44-51
Aroclor 1242 Practically colorless mobile oil 50 Max. (APHA) 0.010 0.00068 (25*-65*C) 1.381-1.392 (25715.5*0) 11.50
325-366*
3.0 to 3.6 0.0 to 0.4
176M80* 348-356* None*
-19 2
:
1.627 1.629 34-35 49-56 82-92
Colorless to light yellow* green, clear, mobile oil 50 Max. (APHA) 0.010 0.00070 (25*-65*C) 1.405-1.415 (65715.5*0 12.04
340"-375*
3.0 to 4.0 0.0 to 0.3
193-196* 379*-384" None
-7" 19.4
-
1.630 1,631 36-37 73-80 185 240
Aroclor 1254 light yellow viscous oil
50 Max. (APHA) 0.010 0.00066 (25-65*C) 1.495-1.505 (65*/15.5*0 12.82
365*-390
1.1 to 1.3 0.0 to 0.2 None
None
10* 50*
-
1.639-1.641 44-48 260-340 1800-2500
HONS 075844 4
Aroclor 1260 Light yellow toll sticky resin 50 max. (APHA) 0.014 0.00067 (20*-100*O 1.555*1.566 (90715.5*0 13.50
30SM20*
0.5 to 0.0 0.0 to 0.1
Non*
Now
31* 66*
-
--,
1.547-1.649 72-78 3200-4500
Aroclor 1262 light yellow sticky clear resin 50 Max. (APHA) 0.014 0.00064 (25-65*0 1.572-1.583 (90*715.5 C) 13.72
395-425"
0.5 to 0.6 0.0 to 0.1
None
None
35*-38* 99*
"
1.6501-1.6517 86-100 600-850 (IM'r or 71'C)
Aroclor 1268 White to off-white powder
1.5 Max. NPA (molten)
0.05 0.00067 (20-100*C) 1.804 1.811 (25*/25*C) 15.09
435"-450*
0.1 to 0.2 0.0 to 0.06
None
None
-
-
150* to 170" (hold pt.) 302 to 338 (hold pt.) -
_
Aroclor 4465 Light-yellow. clear, brittle resin 2 Max. NPA (molten) 0.05 0.00061 (25-65C) 1.670 C5-/25-C) 13.91
230*-320* at 4 mm. Hg.
0.2 to 0.3 0.0 to 0.02
None
None
-
-
60 to 66 140 to 151
1.664-1.667 90-150 (2MT ? 130*0 --
Aroclor 5442 Yellow transparent sticky resin
2 Max. NPA (molten)
0.05
0.00123 (25*-99*C) 1.470 (25725*0 12.24
215-300* at 4 mm. Hg.
0.2 0.01
247* 477*
>350 >662"
46"
115
46 to 52
115" to 126*
-
300-400 --
Aroclor 5460 Clear, yellowto-amber, brittle resin
2 Max. NPA (molten)
0.05
0.00179 (25-124"C)
1.670 (25725*0 13.91
Aroclor 2565 Black, opaque. brittle resin
_
1.4
0.00066 (25"-65*C)
1.734 (25*/25"C) 14.44
280"-335* at 5 mm. Hg.
0.03 1.5 to 17 (1 260*-S hr.)
None
0.2 to 0.3 --
None
None
None
-
98 to 105.5* 208 to 222"
1.660-1.665 --
-
66" to 72" 149" to 162*
--
HONS 0758N5
s
RESISTANCE TO DRYING
Aroclor is non-drying. Even when exposed to air in Ihe form of thin films, no noticeable oxidation or burdening lakes place. However, when used as a component of paints, varnishes or lacquers, it does not retard the rate of drying of the films. Quick drying varnishes and paints can be made using Aroclor in the formulation.
FIRE-RESISTANCE
Viscous, oil-like Aroclor and the Aroclor resins do not support combustion when heated alone, even at their boiling points -- temperatures in excess of 850*C. Most of the Aroclor chlorinated com pounds flux readily with other resinous and pitch like materials to make mixtures that gain in fire rcturdance properties. Even when incorporated in nitro-cdlulose films and rubber foams, Aroclor will retard the rule of burning.
ADHESIVENESS AND THERMOPLASTICITY
The Aroclor resins adhere strongly to smooth surfaces such as glass, metal, varnished or lac quered coatings.
Aroclor is permanently thermoplastic. It appar ently undergoes no condensation or hardening upon repeated melting and cooling. Clear Aroclor resins can be supplied with softening points up to 106'C. Opaque, crystalline Aroclor can be sup plied with initial melting points up to approxi mately 290F.
STABILITY
Toward Alkalies -- Aroclor ia remarkably re sistant to the action of either hydrolyzing agents or high temperature. It is not affected by boiling with sodium hydroxide solution.
Toward Acids -- Experiments were made to de termine whether hydrogen chloride ia evolved dur ing the treatment of Aroclor with sulfuric acid.
Aroclor 1264 (selected as typical) was stirred with an equal volume of ten per cent sulfuric acid for a period of 150 hours. Any gases escaping from the reaction fiask had to pass through a trap filled with silver nitrate solution, which would give a precipitate of silver chloride if any HC) came in contact with it. After 150 hours of treatment, neither the trap solution nor the acid layer in the treating flask showed any hydrogen chloride present.
Even prolonged treatment (255 hours) with con centrated sulfuric acid indicated negligible effect.
Toward Heat -- Aroclor is a useful heat transfer media because of its stability to heat. Aroclor 1254 and particularly the less viscous Aroclor 1248 are recommended for this purpose because they may be heiited at temperatures up to 315C (600F) in a closed system for long periods without appre ciable decomposition and they are fire-resistant.
Toward Oxidation -- When Aroclor is subjected to a bomb test at 140C with 250 pounds oxygen per square inch, there is no evidence of oxidation as judged by development of acidity or formation of sludge.
ELECTRICAL RESISTIVITY
Aroclor has extremely interesting electrical charac teristics: high resistivity and dielectric strength and low power factor. The dielectric constant ranges from 3.4 to 5.0 at 100C and 1000 cycles, depending upon the particular Aroclor.
SOLUBILITY
All Aroclor chlorinated compounds are insoluble in water. They are soluble, however, in most of the common solvents, plasticizers, and resins.
The Aroclor oils and resins are readily soluble in most of the common organic solvents and drying oils. Hard crystalline Aroclor is in general less soluble than the liquid or softer Aroclor resins. Aroclor is heavier than water, a valuable property for many applications.
MOHS 075846 6
Electrical Applications
of Aroclor
Aroclor is one of the purest commercial chemical compounds, virtually free of even traces of con ducting impurities. For this reason, dielectric properties of Aroclor closely approximate the theoretical maximum for these particular organic compounds. With its stability, heat-resistance and fire resistance -- Aroclor can be used for a variety of heavy-duty dielectric applications.
DIELECTRICS FOR ASKAREL TYPE CAPACITORS AND TRANSFORMERS
Aroclor is used per se in capacitors and is formu lated for the liquid coolant-insulation fluids in transformers. Such dielectrics must be highly pure with dependably minimal traces of electrolytes. They must be chemically stable and non-corrosive to a wide variety of structural materials. Most im portant, the dielectric fluid must be fire-resistant.
Aroclor is the only liquid in low cost commercial supply that meets these exacting requirements.
Aroclor liquids 1242, 1248, 1254, and 1260 are used directly, or are carefully formulated with chlorinated benzene and other additives to make askarel fluid for particular needs. Typical formu lated askarel fluids are shown on the following pages.
Aroclor liquids 1242 and 1254, themselves or in special formulations, are used as the dielectric in
fixed paper capacitors, for the power factor correc tion in utility transmission lines; for home ap pliances such as air conditioners, furnaces, washers and driers; for electric motors; and for ballast in fluorescent fixtures. There are also a number of applications in DC systems, in con densers, and the new energy storage capacitors.
The Aroclor fluids can be used in a wide variety of applications requiring a specialized dielectric. Monsanto works closely with electrical equipment makers to develop the proper dielectric with the exact physical properties required by the engineer ing of the equipment.
IMPREGNATING COMPOUNDS
Because of its nonflammability, high resistivity, dielectric strength and low power factor, liquid and resinous Aroclor is extremely useful as an impregnating compound. An important applica tion of Aroclor in the electrical field is the use of Aroclor 1260, 4465, and 5460 in wire or cable coatings and as impregnants for cotton and asbes tos braided insulation. Because they possess high purity and excellent electrical resistance, Aroclor 1254, 5460 and 1268 make superior dielectric sealants to close the pores of carbon resistors, and to seal electrical bushings and terminals.
To attain the lowest possible loss factor and gain resistivity, Aroclor is often treated with about 0.20% by weight of Attaupulgus clay or Fullers earth. To activate the earth it should be heated to 450a-500aF.
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1MC
Velum* ResiitfvHy (2) Ohm-im <t 100C, 600 Vifti D.C.
Dittotrie Strenfth (3)
1232 1242 1248 1254 1260 1266 5442 5454 5460 4465
5.7 4.6
5.8
4.3
Above 500x10*
Greater than 35KV
5.6
4.6
Above 500x10*
Greater than 35KV
5.0
4.3
Above 500x10*
Greater than 35KV
4.3
3.7
Above 500x10*
Greater than 35KV
2.5 --
3.0 4.9 Above 500x10*
2.7 4.2
2.5 3.7
2.7 3.3
<D Aim o-iu-m a) aitm o m m aiim o-im-m m ahm iviw-ut
Fewer Fatter < lore, mm Cytto
<0.1% <0.1% <01% <0.1%
MCNS 075847
7
TYPICAL TRANSFORMER ASKAREL
(MIXTURE Of AROCLOR AND CHLOROBENZENES)
Prapwty Vise. 0 37.8C. (ASTM D88) Spec. Gravity 15.5/15.5C.. (ASTM D287) Color, APHA Condition Acidity, mg. KOH/g. Pour Pt, T, (ASTM D97) Inorganic Ctiloridas, ppm Rofractivo Index @ ZbX. Distillation Range (ASTM D20)
Corrected for stem and barometric pressure First drop 3595 5595 65 9595
Corrosion
Water Content, ppm. Resistivity, 100*C., 500v,, 0.1' gap Dftiedric Strength, 25*C. Dielectric Constant, 100*0., 1000 cycles* Tin Tatraphenyt* Burn Point, (ASTM D92)* Fixed Chlorine* Arc Formed Gases*
(Oxygen Free Liquid 25*C.) Electrical Stability*
-SOlMMMO W MNMlMMM.
Typical 41-45 Sec. Saybolt Umv.
1.563-1.571 150 max. Cle8r 0.01 max. -44*0., or lower 0.10 max. 1.6075-1.6085
210C., min. 240-256 *C. 290-330*C. 385-400C. 395-415'C.
Altar heating with aluminum for 6 hrs. @ 200-220*0.. the aluminum must not be corroded either on visual or weight inspection.
The askarei fluid meets the following specifications:
Color, APHA
200 max.
Acidity, mg. KOH/g.
0.01 max.
Inorg. Chlorides,
ppm 5 max.
Condition
Clear
30 max.
100 x 10* ohm-cm,, min.
35 KV., min.
3.8-4.2
0.12595 0.0195 by weight
None up to Boiling Point
60.5 0.5
Total combustible gases including carbon monoxide, hydro gen and volatile hydrocarbons.
After heating for 96 hours @ 100*C in a closed container, the resistivity should not decrease more than 1095.
HONS 075848 B
TYPICAL CAPACITOR AROCLOR
Property Vise. 37.8"C. (ASTM D88) Specific Gravity <si Z5/15.5C (ASTM 0287) Color. APHA Condition Acidity, mg. KOH/g. Pour Pt.. "C. (ASTM D97) Inorganic Chlorides, ppm Refractive Index <$ 25C. Distillation Range (ASTM D20)
Corrected for stem and barometric pressure Corrosion
Water Content, ppm Resistivity 100C. 500 volts DC @ 0.1' gap Dielectric Constant 100C. @ 1000 cycles (ASTM D924) Flash Point Clave. Open Cup* Fire Point C.* Sulfates (ASTM-D117-31)* Fixed chlorine content (Carius)* Specific Heat @ 25 C* Evaporation 100C for 6 hrs.* Dielectric Strength (KV)
(ASTM D877)*
Typical
82-92 seconds Saybolt Univ. I.381-I.392 50 max. Clear
0.01 max.
-14 or lower
0.10 max.
1.6240-1.6260
10?5 325C. min. 90% 36QC. max.
After heating with aluminum for six hours at 210C 10X
the aluminum must not be corroded either on visual or weight
inspection and the Aroclor 1242 should meet the following
specs.:
Coior, APHA
60 max.
Acidity, mg. KOH/g.
0.01 max.
Inorg. Chlorides, ppm
0.10 max.
Condition
Clear
35 max.
500 x 10* ohm-cm., min. 47-4.9
170C., min.
None to boiling point None
41.5-42.555 0.29
0.495 max. 35 Min.
'NmM * ifailtl ftWMtl.
DIELECTRIC CONSTANT VS. TEMPERATURE Aroclor91242 & Aroclor91254
COURTESY OF THE JOURNAL OF FRANKLIN INSTITUTE NO BELL TELEPHONE LARORATOBIES
HONS 075849
Mechanical Applications of Aroclor
Because Aroclor chlorinated compounds have ex cellent shear resistance, heat stability, and are chemically stable . . . they can serve in dozens of mechanical applications for transferring mechani cal power, heat and variable pressures. Aroclor docs not attack metals even at high temperature; it resists oxidation, chemical and mechanical breakdown under a wide variety of environmental conditions. Aroclor liquids used as lubricants im part a high degree of extreme pressure lubricity.
HEAT CAPACITY OF AROCLOR* LIQUIDS at Various Temptratures
THERMAL CONDUCTIVITY OF AROCLOR 1248
Temperatera C. T.
30 90 60 140 100 212
TU./Hr./*q. Ft/ pF./rt
0.0680 0.0687 0.0697
Calarlea, iram/Sea./ Sq.Cm./T./Cm.
281 x 10-* 284 x 10-' 288 x 10--*
MONS 075850 10
EXPANSION MEDIUM
Decause of their stability at high temperatures and ability to withstand frequent temperature cycles without gum formation. Aroclor liquid is used as the actuating medium in bellows controls, thermo stats, industrial temperature control regulators and other kinds of automation equipment.
The average coefficient of expansion of Aroclor 1248 per degree F within the various temperature ranges indicated in the table below was determined by using the simple formula Vt - Vt' (1 + a (t -- t,).] The coefficient a, has been calculated at 100F increments as follows:
Ttmp. Hangs F 0 to 100
100 to 200 ZOO to 300 300 to 400 400 to 500 500 to 600
Avsrsgs CssMsfsnt tf Eipanrits n/m/F 0.00037 0.00039 0.00040 0.00046 0.00048 0.00051
The specific volume of Aroclor 1248 at different temperatures is as follows:
Temp. T
0 100 200 300 400 500 600
fpssHIt Vstams nH/gm 0.674 0.699 0.726 0.755 0.790 0.828 0.870
sealants for any application where the use of oil would create a fire hazard. In the trough of an nealing furnaces, for example, Aroclor makes de pendable fire-safe roof seals.
VACUUM DIFFUSION PUMP OIL
Fluid Aroclor 1248 and 1254 are highly stable to air; they make good oils for vacuum pumps at a much lower cost than high priced silicone type oils. Aroclor operates efficiently in vacuum diffusion pumps used to pull high vacuum for metalizing plastics, dehydrating foods, medicinals, and for drying capacitor cones.
LIQUID SEALANT FOR FURNACE ROOFS
Because of their low vapor pressures and fireresistance, Aroclor 1248 and 1264 make excellent liquid sealants. These non-evaporating fluids have good flow at slightly elevated temperatures and are chemically stable at elevated temperatures.
Consequently, Aroclor liquid makes excellent fluid
MCNS 075851
Aroclor in Special
Product Formulations
With their wide range of physical properties, their inertness, lubricity, and vapor-suppressing char acteristics -- Aroclor chlorinated compounds can be valuable ingredients in an extraordinary variety of formulated products. They are compatible with a variety of solvents, oils and resins. Virtually non-vointile and permanently thermoplastic, they will not react with other chemicals in the formula tion. In addition, their low cost makes their use for special purposes eminently practical and eco nomical.
SEALERS FOR GASKETS
Aroclor -- particularly when hot -- swells rubbers like Hycar*, Koroseal*, PerBuna N, and Neo prene. Wherever seals and gaskets of natural or synthetic rubber tend to shrink under heat and use, Aroclor 1232, 1242, or 1254 can be used as a swelling agent to tighten the shrunken seal. An example is in automotive transmission oil: a small amount of Aroclor in the oil swells the seal in place, saving the cost of tearing down the equip ment to replace the seal or gasket. Aroclor can be used in gasket sealing compounds to swell the rubber after the gasket or seal is in place.
DEDUSTING AGENT
Aroclor 12G4 w a low cost dedusting agent which can hold down the dusting of a variety of chemical products! Because Aroclor 1254 resists both com bustion and oxidation, it can be used to control dusting of highly reactive compounds. As a typical example,(1) a few tenths of one percent will con trol the dusting of calcium hypochlorite.
ttym KmmIw* rsaMmdfcrtMM'hiof I. f. awtrM Ot.
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INSECTICIDES
Aroclor 6460 and 1254 act as vapor suppressants. United States Department of Agriculture scient ists reported that the inclusion of from 5 to 25 parts per hundred by weight of Aroclor increased the effective kill-life of a lindane spray up to ten times. A painted or metallic surface sprayed with certain chlorinated insecticides fortified with Aroclor will remain toxic to flies, ants, roaches and silverfish up to 2 to 3 months. The Aroclor resins suppress the rapid evaporation of the volatile insecticides without adding odor or other objec tionable residue. Formulation into insecticides is quite simple: the Aroclor is dissolved in a suitable solvent compatible with the insecticide formula tion, and mixed in. The most pronounced effect for increasing the kill-life of the insecticide is ob tained with lindane, chlordane and BHC. Aroclor is recommended for chlorinated insecticide formu lations to be used for non-crop spraying. Their low cost makes this use a most practical way to lower the ultimate cost of insect control.
PRECISION CASTING WAXES
Aroclor is compatible with various natural waxes, such as camauba and others, including those used to formulate casting wax. Aroclor helps impart to the finished casting wax a number of desirable properties: hardness without brittleness; resist ance to shrinking; sharp definition; sharp melting point; and fire-resistance. Waxes formulated with Aroclor are non-tacky and highly stable. Waxes containing Aroclor are widely used in making dental castings, in the precision casting of aircraft parts, and for casting costume jewelry. Aroclor 1264, 4465 and 5460 are most frequently used .. . proportions dependent upon the properties re-
\
ti t i
MOM* 075852 T2
quired in the finished wax. Much of the highest quality precision casting wax used in the lost wax process is formulated with Aroclor.
AROCLOR IN ABRASIVES
Aroclor 1264,1268 and 6460 are used in the manu facture of specialized abrasives. Because of their excellent bonding characteristics, high thermal stability and resistance to oxidation and corrosion -- Aroclor is used as the carrier for abrasive ma terials. A major use is as part of the bonding agent in specialized grinding wheels.
AROCLOR IN SPECIALIZED LUBRICANTS
For specialized lubricants requiring good extreme pressure (EP) characteristics, the Aroclor liquids make excellent additives. They impart high tem perature stability, excellent lubricating qualities, and weather and corrosion resistance. As an ex ample, Aroclor is used to formulate grease and pipe thread compounds for use in oxygen systems. Greases formulated with Aroclor have a high chemical resistance and are suitable for use in contact with corrosive chemicals. Gear oil lubri cants containing Aroclor have good resistance to sheer degradation and high temperature stability. Added in small amounts to railroad car journal box oils, Aroclor imparts better extreme pressure lubricity and reduces the incidence of hot boxes.
The heat-resisting, nonflammable characteristics of the Aroclor chlorinated compounds make them attractive in themselves as lubricants under condi tions of high temperature. As an example: in gov ernor systems of central power stations, A odor 1248 is well suited to this lubricating application.
Straight Aroclor 1254 gives excellent results on a
roller bearing test operating at 256-260F with much less carbonization or decomposition than the usual spindle oil under the same conditions.
As an extreme pressure (EP) lubricant base added to a petroleum hydrocarbon oil in amounts up to approximately 15% by weight, Aroclor 1248 and 1254 materially increase the load-carrying proper ties without reducing the viscosity of the resulting composition. These two compounds represent one of the more satisfactory carriers for the element chlorine as an extreme pressure base, possessing the following advantages:
1. STABILITY. Even at higher temperatures, there will be neither separation of components nor appreciable change in physical or chemical properties during long periods of operation.
2. NON-VOLATILE. Many other types of chlo rine bearing compounds are so volatile as to render them unfit for long periods of service. Aroclor is non-volatile at normal temperatures.
3. NON-OXIDIZING. Aroclor does not oxidize nor thicken up to an objectionable degree.
4. NON-CORROSIVE. Aroclor does not attack metal surfaces.
5. NON-ABRASIVE. Aroclor exerts no abrasion on the machined surfaces.
6. NON-HYDROLYSIS. Aroclor docs not hy drolyze in the presence of water, thus avoiding the generation of hydrochloric acid.
7. COMPATIBILITY. Aroclor is completely miscible with mineral oils.
8. COLOR. Aroclor does not darken or change the color of lubricating oil.
MONS 075853
J 13
Where lubrication is subjected to water displace ment exposure, for example in the lubrication of bridge rollers, a heavier-than-water lubricant can be prepared from mixtures of Aroclor and oil. The following arc typical examples:
MU Ns.
1 2
H by weigh' Oil* Arwlar 1241
50 50 25 75
**M Mack: Otvrttr
Viscosity 21QF-16Q Saybolt Secs. Color ASTM 7-8 Flash Point 545*F. Pour Point 15*F.
Poor PL O'F
+5F
Gravity at 16.6X.
1.1263 1.2703
AppiL Poundi/Gal.
94 10.6
AROCLOR IN INDUSTRIAL CUTTING OILS
Aroclor 1254 is used to formulate the finest quality straight and soluble or emulsifinble-type cutting oils. The Aroclor functions as an excellent extremepressure lubricant and is far superior to aliphatic chlorinated hydrocarbons because of its higher order of thermal stability. The heat resistance is most important in cutting oils for machining high grade steel. With Aroclor cutting oils there is a lower degree of hydrolysis which minimizes the staining of the metal.
*0*$ 075854 14
Appendix
Methods for Emulsifying
and Making
Stock Solutions of Aroclor
There arc several simple methods for making Aroclor emulsions; the one used may be selected to suit the kind of Aroclor and type of formulation in which it will be used.
Emulsifying Viscous Aroclor
(Portion 1)
16 lbs. of Aroclor
1 lb. of stearic acid
(Portion 2)
8 lbs. of water
4 oz. Triethanolamine
Heat the Aroclor to a workable viscosity (180#F plus) and stir in the stearic acid thoroughly. Hent the water to almost boiling (207*F) and stir in the triethanolamine thoroughly. Pour the Aroclor stearic acid portion into the water portion, agitat ing vigorously. Then process the combined por tions with a highspeed emulsifying stirrer ... or process through a colloid mill.
Emulsifiablo Concsntratsd Stock Solutions of Aroclor
79 parts of Aroclor 16.70 parts of toluene 3.55 parts of isopropyl alcohol
1.00 parts of Stcrox*' CD non-ionic emulsifier 0.75 parts of Santomerse1 anionic wetting
agent
The above formulation is readily emulsifiable with water. If a more resinous Aroclor is used, increase the amount of toluene (or xylene) as needed to dissolve the Aroclor resin.
HONS 075855
15
SOLUBILITY OF AROCLOR CHLORINATED COMPOUNDS IN 100 MILLILITERS OF VARIOUS SOLVENTS
Aroelor Type ol Solvent
Add Acetic Aetd
Oleic Acid Bentolc Acid
Aldehyde 40% Formaldehyde luilurai
VS vs
Amin* Anllln* Pyridine
1 32.5 WC 440 TC
!I4U*C 425 *'
Chloro- derivatives Amyl chloride* mled Carbon Tetrachloride
Chloroform................ Dtchlorethylene. .. Cthyfene Dfehtortda..............
MnnnnMofobontono. . Orfhodtchlorobonaono........ TilweMerollitM.............. T Mchloi ethane.............. Trlchlorolhytono............
Ofyln* ON Tuns Oil
linseed 09........................
Ester
Amyl Aeilili....................
Butyl Ac*l*t CeMosofve Acotete.
. .
Cottonseed Oil ................. Dlbulyi Phtholate................. Otothyl PlillwMt.............. Ethyl Ac*t*l*........
Ethyl Lactat*.................... Ethylene Olyfcol Dl*c*t*t* M*thyl Ac*t*t..................
Trlcresyl Phosphate
.
Elhar: Ethyl Efhor
Eth*v Alcohol Cerbltel* .
...............
Ololhylon* Olycoi. p*p` Oihydtoxy tthyl tutor
324 SI*
s
16.9 rc
173 W 259
Hydrocarbon B*nt*n*
.
Oatolln*...............................
Keroiem.....................
Minor*! Spirit*.....................
Paraffin..................................
Pin* OH................... -
Toluene................................ Turpantln* ....................
Xytena....................................
VS
VS
vs
2.0I VS
vs
s vs
Hydroxy- derivative*
Amyl Alcohol
n-8ut^ Alcohol.................. Ethyl Alcohol (3*A)..........
Glycerin*.............................
M*thyl Alcohol............... Phono!--90%................
23.3 rn 90.0 m
42.5 ire 194 srt
K*tono Acetone .. . -.................
Miscellaneous Carbon Disulfide............. Nltrobenrene..................
Water.....................................
142
178
ti U*MR*(k * UM< Ctrfctf* MS CmM* C*
RONS 075056
16
VAPOR PRESSURE OF AROCLOR CHLORINATED COMPOUNDS RONS 075857
VAPORIZATION RATES
Sample
WL Lett Gmt.
Aroclor* 1221 Aroclor 1232 Aroclor 1242 Aroclor 1248
*2% chlorinated paraffin
dioctyt phthalate Outrex* 25 Aroclor 1254 Oulfsx 20 Aroclor 1262 Aroclor 1260 Aroclor 4465 Aroclor 1270 Aroclor 5442 Aroclor 5460 Trlcrasyl phosphate
0.5125 0.2572 0.0995 0.0448 0.0745 0.0686 0.0256 0.0156 0.0047 0.0039 0.0026 0.0064 0.0045 0.0039 0.0032 0.0010
Hear* Exposure
24 24 24 24 48 48 24 24 24 24 24 72 72 72
n
24
Surface Aree Cm.1
Vaporization Role gme./om.'tir./1M0C
12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28 12.28
0.00174 0.000874 0.000338 0.000152 0.000126 0.000117 0.000087 0.000053 0.000016 0.000013 0.000009 0.000007 0.000005 0.000004 0.000004 0.000003
APPROXIMATE VAPOR PRESSURES CALCULATED AT 100 F (37.8 C)
Aroclor* 1232 Aroclor 1242 Aroclor 1248 Aroclor 1254
0.005 mm. H|. 0.001 mm. hr
0.00037 mm. 0.00006 mm. H*.
18 MQNS 075858
CORROSION RESISTANCE OF STRUCTURAL MATERIALS
Areelar Number
Metals
12 II
25*C
125C
121A
25C
125C
Aluminum.................................................. ................
Copper........................................................................
Magnesium
......................................
Nickel..................................................
...
Silver..........................................................................
Tin..............................................................................
Zinc............... ..........................................................
M1W Steel...................................................................
Phosphor Bronze.........................
Red Brass...................................................................
Stainless Steel (Type 316)..........................................
Yellow Brass...............................................................
Plastics Alkyd Resin No. 46594-12.......................................... Alkyd Resin No. 46594-13A........................................ Cellulose Acetate (Fibestos)....................................... Durlte(,) Phenol Furfural Resin................................. Fo/mvar* Highly Plasticized polyvinyl formal resins Formver* Low Plasticized polyvinyl formal resins.. Gfyptal 1276................................................................ Glyptal 7136................................................................ Mafeic Resin No. 46594*338....................................... Maleic Resin No. 46594-13C....................................... Methyl Methacrylate................................................... Lustron* B Polystyrene............................................ Resinox* Mineral Filled Melamine Resin.................. Resinox Wood Flour Filled Melamine Resin............... Resinox Mineral Filled Phenol Formaldehyde.......... Resinox Wood Flour Filled Phenol Formaldehyde___ Resinox Rag Filled Phenol Formaldehyde................ Urea Formaldehyde Resin (Pfaskon Co.)....................
RnRR
R DR D
RR R R R
RR R R RR
RRRR
RRRR
RRRR
RR R
RR RR
R0RR
DDRD
RR RR RR RR
R Re R De
*P P 0 P
0P *0 P De T PS T RP 0 T pP pP *0 P PT *D P *D P *D D 0 P *D D *0 P
*P P D P DP fl P Pe T PS T 0P R T *P P R P *0 P PT R R R D *D D *D R *D D D *P
4411 1259C
RR D RR RR R R R R R R RR Re
P P P 0 T T P T P P P T P R R D D P
64H 1ttC
RR D RR R R R RR RR R De RR Re
P P P P T T P T P P P T 0 P P P P P
n iKiMfMIrtMl Mm M> 1.0I It-* (M/*? MMMItlMW -MM M/T*
a*a >wn<a*<* ** fmtumtmaanaaan l.t l>- w<)l )-* tmjlft w Oalwaaa>CM)< %*4.0H Wn
0 OaaMM ratNUMa, aaaaHaltoi Mwaa* 10 * I0'*cm/0a|faa 10* t !- cm/**af MmwiNM ttd 0I ta/W.
f Paw rwMMu aa*ai>aMa waaM ha* W0 to-1 */#. ./*
at faw t#MtlMa m I* vHkMt Maal artta* M-iat* wataM -Jianta Mfcaln raata) >aM*Ma.
a Tltiim-|fn1lT*l---*""*****"'^****J'tf**'*J,r.
..........
T MtwiatataaaviilMt Ma*<amaaiaM>a.
(I) UwRaM a iMMaia* lialiimia * Oattaa Cfcawhal C*
MCNS 075859
19
VISCOSITY. SAYSOLT UN
VISCOSITY RANGES OF SOME OF THE AROCLOR CHLORINATED COMPOUNDS HONS 075860
DENSITIES OF AROCLOR CHLORINATED COMPOUNDS AT VARIOUS TEMPERATURES
ABSOLUTE DENSITY (G M S./CC)
HONS 075861
21
r
Dermatology and Toxicology
At ordinary temperatures the Arocior poly chlorinated polyphenyls have not presented in dustrial toxicological problems. The hazard of potential toxic exposure varies with their vola tility: the lower-chlorinated ones, being more volatile, present more of a potential problem from the standpoint of both inhalation and skin con tact. When Arocior is used at elevated tempera tures, engineering controls must be applied, either by the use of closed systems or by effective localexhaust ventilation together with general work room exhaust.
Inhalation tests on animals indicate that the maxi mum safe concentration of vapor is in the range of 0.6 to 1.0 milligram of the lower-chlorinated Aro cior compounds per cubic meter of air. The thresh old limits (maximum allowable concentration for an 8-hour working day) set by the American Con ference of Government Hygienists are 1.0 milli
gram of the lower-chlorinated Arocior compounds per cubic meter of air and 0.5 milligram of the more-highly-chlorinated compounds, such as Aro cior 1254, per cubic meter of air.
Schwartz patch tests on 200 volunteers showed that neither Arocior 1254 alone when applied to gauze nor a polyvinyl chloride film containing 11.5-weight-per cent Arocior 1254 was a primary irritant or a sensitizer. Canvas coated with an oilmodified alkyd resin (17-weight-per cent of the paint-film solids and 7-weight-per cent of the painted fabric was Arocior 5460) did not produce primary skin irritancy or sensitization according to the same Schwartz technique. Continuous or re peated skin contact with Arocior must be avoided because of the possible occurence of a condition called chlorance. Although reports of th:s condi tion caused by Arocior are rare, it can be produced by excessive skin contact.
HONS 075862 22
Safe Handling
Vapors of the Aroclor liquids at room temperature should not be breathed in a confined space. Vapors evolved at elevated temperatures should not be allowed to be dispersed into the general workroom. Instead, engineering control must be applied to reduce vapor concentrations below the allowable concentrations mentioned above.
Continuous or repeated skin contact with Aroclor must be avoided by the use of gloves and pro* tective garments. If any Aroclor is spilled on the skin, the skin should be washed in the usual man ner with a soap solution.
A bum caused by contact with a hot Aroclor should be treated like any ordinary bum. Aroclor adhering to the burned area need not be removed immediately, unless treatment of the burn de mands it, in which case either soap and water or repeated washings with a vegetable oil are recom mended.
Shipping Information
--riWjro* mwa-w---himii--wam--ii AROCLOR 1221.1243, 1242. 1248, 1254,1260.1262
RaH CIsssMbsHm AROCLOR 1268. 2565, 4465, 5442, 5460
Truk CtassHkattan AROCLOR 1268, 2565
AROCLOR 4465, 5442, 5460
Shipping Refutation* Standard Cantainart
AROCLOR 1221
AROCLOR 1232
AROCLOR 1242,1248, 1254, 1260,1262 AROCLOR 1268 AROCLOR 2565, 4465 AROCLOR 5442 AROCLOR 5460 (flaked)
Synthetic Resin, Liquid, NOIBN
Synthetic Resin, Other Than Liquid, NOIBN
Synthetic Resin, Powder, NOI
Synthetic Resin, Lumps or Solid Mass, NOI
None
Tenk car, 520-lb. steel drum, 50- lb. can
Tank car, 550-lb. steel drum, 50-lb. can
Tank car, 600-ib. steel drum, 50-lb. can
200-lb. fiber drum, 50-lb. can 500-lb. steel drum, 50-lb. can 450- lb. steel drum, 50- lb. can 100-lb. bag
MGNS 075863
r\
DISTRICT SALES OFFICES
Additional District Offices are maintained by:
i
ALL DIVISIONS
ATLANTA. GEORGIA 30326 Lenox Towars West, 3390 Raachtraa Rd N.E. Tel. (404) 231 4320
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WILMINGTON, DELAWARE 19803 2005 Concord Pika. Fairfax Tal. (302) Olympia 8-6531
MONSANTO, 800 N. UNOBCBGH BLVD..
Agricultural Division
EL DORADO. ARKANSAS 71731 Sirtvukuvtn Highway P 0. Bo* 231 Tal (5011 Union 3 3151
LUUNG. LOUISIANA 70070 P. O. Bo* 1 74 Tel (504) 784-2911
Building Products Department
SI. LOUIS. MISSOURI 03150 BOO N. Lindbergh Blvd. Tel (314) Wydown 3 1000
LOS ANGELES CALIFORNIA 90068 814 Sun Fernando Road Tel. (213) CA. 2 9111
Chemetrand Company Division
AKRON. OHIO 44313 3030 West Merkel Si Tel. (216) Temple 6-/V41
CHARLOTTE. NORTH CAROLINA 28202 Wachovia Bank Building 129 West Tiade SI. Tel. (704) 376-9871
NEW YORK. NEW YORK 10001 350 Filth Ave. Tel. (212) 566 5100
ENGLEWOOD CLIFFS. N. J. 661 Patieedea Ave. Englewood Clills. New Jeraey 07631 Tel. (201) 568-2151
Hydrocarbons 81 Polymers Division Lion Oil
EL DORADO. ARKANSAS 71730 Linn Oil Builrfino Tel. (501) Union 3-3111
JACKSON MISSISSIPPI 38209 P. 0. Bo* 10937 Weetland Station lei. (601) Heetwood 2-3648
LITTLE ROCK. ARKANSAS 72203 1515 Weal Seventh SI. Tel. (501) Franklin 6-2437
MEMPHIS. TENNESSEE 38101 1023 Riverside Olive P. 0. Bo* 252 Tel. (901) Whitehall 9 4461
Organic Chemicals Division (Rubber Industry)
AKRON. OHIO 44311 920 Brown Street P. 0. Bo* 2307 Tel. (216) Hemlock 4-192'
ST. LOUIS. MISSOURI 03180
24
2-?l 30-0468 6 LllllO IN U.9 A.
FLUIDS
RONS 0 7 5 8 6 4
t
MONSANTO, 800 N. LINDBERGH BLVO., ST. LOUIS, MISSOURI 63188