Document GmMK37vLO57adR4OKZg9xrdKm
OIL PAINT - TRADE
Subject:
Exposure evaluation of house paints containing experimental long oil lsophthallc alkyds.
(TR-4200E3, TR-4203E2, ST-4206E2)
Contributors: R. w. Green, J. E. Southwlck, J. J. Bednarik
Conclusions &
Discussion: Thirty-three months New Orleans and Cleveland exposures: Reference: Lab Book #185 - Exposure Series N09G * E96
Quarterly Research Reports Fourth Quarter, i960, C-52
Third Quarter, 1959# C-ol
Alkyds Evaluated:
899-10 862-24
862-37 862-39 890-41 890-48
GRV-31^0
8o Linseed-Tall Oil IPA 85 Linseed IPA 85 Linseed IPA 80# Linseed IPA
90# Linseed IPA 85# Tall Oil IPA
8l.5# Linseed Polyruethane
These vehicles wereecposed in Y-l800, Y-I867, and a leadfree blister resistant type house paint formulation. No
significant differences could be detected between these vehicles in any of the formulations exposed. There was
however, a substantial difference between the three form ulations. The Y-I8OO and Y-1867 types were much better
with regard to mildew and general appearance as compared to the lead and zinc free formulation.
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Y-1800 Y-1850
Y-1867 Y-2218
RGL-28040
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Y-1fl867 Type It ft It
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-16-
TABLE I
H.P. #1 Lead Free House Paint Pig. 2.2# W-91, 0.8# W-170, 2.5# W-188
H.P. #2 Y-1800 Type Pig. 2.8# w-35, 0.3# w-i, 1.3# W-91, 0.5# w-170, 1.1# W-188
H.P. #3 Y-1867 Type Pig. 4.0# W-6, 1.0# W-91, 1.0# W-170, 2.4# W-188
Exposed 33 months vertical south.
CLEVELAND
NEW ORLEANS
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10 4
10 ok
- 10 4 10 ok*
10 4 10 ok* - 10 4 10 ok
10 4 10 fair
899-10 862-24 862-37 862-39 890-41 890-48 GRV-3140
899-10 862-24 862-37 862-39 890-41 890-48 GRV-3140
899-10 862-24 862-37 862-39 890-41 890-48 GRV-3140
10 3 8-9 fair 10 3 8-9 fair 10 3 8-9 fair 10 3 8-9 fair 10 3 8-9 fair 10 3 8-9 fair 10 3 8-9 fair
10 4
10 4 10 4 10 4 10 4 10 4
10 4
10 ok 10 ok 10 ok 10 ok 10 ok 10 ok
10 fair
10 4
10 4 10 4 10 4
10 4 10 4 10 4
10 ok 10 ok 10 ok 10 ok
10 ok 10 ok 10 ok
28
10 OK
3 7-8 9-10 ok--
4fair
2 10 10 ok+
4 5-6 10 poor
63
10 very-
poor
45 44
4 4-5 4 4-5 45 45 45
10 poor 10 poor 10 poor 10 poor 10 poor 10 poor 10 poor
4 10 10 okH
4 10 10 ok* 4 10 10 ok+ 4 10 9 ok+ 4 10 10 ok* 4 10 10 ok+ 4 10 8 ok+
2 8-9
10 ok-
29
9 ok+
38
10 ok
3 7 9-10 fair
3 6-7
10 fair
2 9-10 10 ok
2 10 7-8 ok
GL037593
1
P
s
-17-
Seven month New Orleans and Cleveland exposures:
Reference - Lab Book #215, exposure Series 2-18 & N-2-18
Alkyds Evaluated s
1400-3
1400-12 v-869 V-855
85# Linseed IPA 5# Tall Oil IPA 60# Soya OPA 75# Linseed OPA
The primary formulation tested was a enamellzed house paint based on V-869. Modifications of 3A# Anatase Titanium per
gallon, l|# Anatase Titanium per gallon, l and 2^ gallons mildewcide (VM-659 Super-Ad-It) per one hundred gallons, and 2# Busan 11 per gallon were included. These paints were exposed self-primed and over Y-1851.
Results noted in Cleveland Exposures of the enamellzed house paint (V-869, 0-5) with various levels of Anatase T102 were greater yellowing with the Linseed IPA and slightly better
general appearance and resistance to dirt accumulation with the Tall Oil IPA. Only the paints containing li# Anatase Ti02 per gallon were equal in appearance to Y-180O or Y-1850. The Y-1892 was poor in comparison to Y-l800 or Y-1850. No differences were noted between self-priming or using Y-1S5I Primer for the enamellzed house paints.
The same paints at New Orleans showed several general results. All were very badly covered with mildew. All of the alkyds were the same. Doubling the mildewcide showed no improvement, in all cases a slight Improvement in mildew resistance was
noted when Y-1851 was used as against self-priming. The use
of none, 3/4#, or l# Anatase TiOg per gallon all yielded heavy mildew growth. The higher levels of Anatase Ti02 should show less mildew.
Y-18OO over Y-1851 was fairly mildew resistant at New Orleans and slightly better than Y-1850. Y-1892 was badly mildewed.
The paints containing Busan 11 were the best looking ones at New Orleans. These same paints, when exposed at Cleveland showed slightly poorer general appearance and dirt accumula tion than their counterparts without Busan, because they were absolutely non-chalking.
GLD37595
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TABLE II
Trim & Trells Quality Enamellzed House Paint
Pigm. Veh.
2.65# W-208, 0.10# W-188, 0.16# W-154 (W-91 replacements for W-208) (Buson 22 additions)
V-869 0-5, l 1. oz. VM-659/gallon
Buckman Lab's 9258 c House Paint
Pigm. 2.0# W-208, 1.0# W-188, 2.5# Busan 22 Veh. V-855
Ti Pig 6131 Fume k Stain Resistant House Paint
Pigm. 1.7# W-208, 1.7# W-91, 2.7# W-l88 Veh. V-869, 0-1, O-63, chlorovrax 70
Exposed 7 months south verticle.
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Y-1850 Y-1892
Y-1851
Y-1851 Y-1851
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Trim & Trells Enamellzed H.P.
V-869, 0-5 fl Vf It
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1400-12 II n M
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self 1851 self
1851 self
1851 self
1851 self
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1851 self 1851
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std
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10 10 10 10 10 10 10 10 10
10 10
10 10
10
10
10
3 3 3 3 3
3 3 3 4
4 4 4 3-4
3-4 3-4 3-4
ok ok fair
poor poor poor poor poor poor poor poor poor Poor poor poor fair fair fair fair
NEW ORLEANS
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10 4
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10 2 10 3 10 2 10 3 10 2 10 2 10 2 10 2 10 2
10 2 10 2
10 2
8-9 3 8-9 4 8-9 3 8-9 4
Bad+ poor bad+
poor bad+ bad+ bad+ bad+ bad-f
bad + bad 4-
bad4* poor fairpoor fair-
GL D3 7596
I
Top Coat
(V ehicle)
Pr lmer
W-91 g a llo n
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Chalk
D irt
G eneral Appearance !C h a lk
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[G e n e ra l |Appearance
-19TABLE II (Continued)
CLEVELAND
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5 6
5 5 5 5 6
5 6 6
fairfairfairfairfair fair fair fair good
good good good
ok ok ok ok ok ok
ok ok
Exp. H. P. (2.0# Busan/gallon)
V-869
1400-3 1400-12
sIet lf tl
-
-
_
-
-
10 10
10
Buckman 92580 H.P. (2.5# Busan/gallon)
1400-3 1400-12
sfet lf
10 - - 10
Ti Pig 6131 H.P. V-869, 0-1 Y-1851
- -2
4 4 4
4 4
6
fair fair fair
fair fair
good
ORLEANS
*0o)
rH rH
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9 .2-3 9 2-3 9 2-3 9 2-3 94 9 4-5 9' 4 9 4-5 6-7 4 55 6-7 4 55 54 54 54 54 4-5 4 4-5 4-5 4-5 4 4-5 4-5
poor
poor poor poor poor poor poor poor fair fair fair fair poor poor poor poor fair fair fair fair
10 9 ' good
10 9 good
10 9
good
10 9 10 9
good good
2 9 good
GLD3759?
-20-
Other formulations exposed Included tiro Oronlte house paint formulas, a T1 Pig formulation, and Buckman Lab's 9258c house paint formulation. Also tested Were General Paint's 1002 (Fume Resistant House Paint) and three Jones-Dabney (two top coats and one primer) Syntex house paint samples utilizing alkyds similar to V855.
The Oronite formulas (CR-21947 stain & blister resistant zinc free H.P. and CR-22024 stain & blister resistant zinc containing H.P.) showed no difference between the alkyds tested. Neither formulation looked as good as Y-l800 at Cleveland. The CR-22024 was very good at New Orleans and the CR-21947nas poor.
Buckman Lab's 9258c H.P. formula (2.5# Busan per gallon) showed no difference with any of the vehicles tested. At Cleveland greater dirt accumulation than Y-l800 or Y-1850 was noted. At New Orleans excellent appearance and complete mildew re sistance occured.
General Paints 1002 Fume Resistant (alkyd type) H.P., when compared to Y-185O* was slightly worse at Cleveland and very poor at New Orleans. This was when exposed both self-primed and over Y-1851. The Y-1850 was not as good,as the Y-1800 at either location.
The Jones-Dabney paints were slightly poorer than Y-1800 at Cleveland and much poorer at New Orleans, Their primer was equal in durability only to Y-1851 at both locations with either Y-1800 or Y-1892 top coats. Ti Pig 6131 Fume & Stain Resistant H.P. formula using Butlle & Anatase and Chlorowax 70 was equal to Y-1800 at either location. It was slightly better than Y-1850 at Cleveland and equal at New Orleans.
These observations are a condensation of the data taken from the panels. Complete date is available in case of further or specific interest. The panels will be re-exposed and reported at the next examination.
\ GL037598
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TRADE SALES PRODUCTS
OIL PAINT-TRADE
January 1963
Subject:
Exterior Exposures - ST4310E2
18M in Mound City Faints - Chemet 118 Equal to 18M 0-286, 0-315, 0-398 Compared in House Paint Machine Grade Dramatone vs. Old Dramatone Shake Kote vs. Y2750 EGL62006 Compared to Competitive Primers Non-Reactive Zinc (W219) Compared to Standard Zinc
Contributor:
R.W. Green
Conclusions:
Standard formulas of Mound Cities LZT644, LZT611, LZT607B and LZT605 using 35X leaded sine were compared to formulas made with 18M (W249). No difference could be found and the 18M formulations are judged equal to the standard.
Three lots of Chemet 118 leaded zinc were compared to 18M (W249) in. Y1800. The results were equal and we recomaend that Chemet 118 be added as a source of W249.
0-286 bodied linseed oil was compared to 0-315 and 398 bodied soya oil. Little difference was noted in these vehicles when comparing panels prepared in Cleveland and shipped to New Orleans. However, panels actually prepared in the field at New Orleans showed considerably more mildew on the soya paints than on the linseed paints. This indicates less dry on the part of soya as compared to linseed. Exposures were made in Y1892 and Y1850.
The new machine grade dramatone was compared to the old quality dramatone in Y1850. He could find no difference in the two qualities.
New Orleans exposures of Shake Kote shingle paint shows mil appreciable increase in mildew compared to Y2750, Velvet House Faint.
EGL62006 our new lead free primer was compared to DuPont's 49, Sherwln-William's A-100 primer and Syntex 1260B10. Y1850 was used as a standard. At present, very little can be determined from these panels. The EGL62006 does show a slight advantage in mildew resistance under Y3600 and Y2750. EGL62001 (a Busan containing house paint) was also used as a primer in this series. EGL62001 uses 250# of Busan and looks very good for mildew resistance.
Non-reactive (Dehorned) zinc oxide, W219 does not have good mildew resistance as compared to standard zinc oxide (W33). 75# of W219 and 25# of H218 were equal to 50# of H128 for mildew resistance in Everon House Faint.
R. W. Green
GLD37599
MULTI-PANEL Pa INT INSPECTION SHEET P lin tx i in U .S.A. 9/61
GLD37600
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OIL PAINT-TRADE Contributor: Subject:
S ummary-Cone1usions:
TRADE SALES PRODUCTS
January 1963
J. E. Southwick
Compare Mildew Resistance and Color Retention of Wollastonite vs. Calcium Carbonate in Endurance Tint Base 1W125. Comparison of Titanium Calcium Pigment <W180) vs. Pure Rutile Titanium <V208) Mixed with Magnesium Silicate.
At two years south exposure Wollastonite shows slightly more chalk than calcium carbonate at Cleveland while at New Orleans there is very little difference in chalk. While there was no mildew at Cleveland the New Orleans panels did mildew, with calcium carbonate showing less mildew than Wollastonite. On color retention calcium carbonate was superior to Wollastonite at Cleveland and equal at New Orleans. The white paints were dirtier with calcium carbonate.
Paints were made using 1.5#, 2.0# and 2.6# sine oxide. All paints were exposed as whites end , 4 1 os. tints using Dramatone Blue and Ferrite. All panels were primed with Y1851 Endurance Ba<fccoat and given one coat of test paint on four foot cedar siding and exposed at Cleveland and New Orleans. The results are tabulated on the attached sheet.
J. E. Southwick
GLD37601
47
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GLD37602
I I
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I
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TRADE SALES PRODUCTS
2
OIL PAINT - TRADE
February 1963
Subject:
Flocculation in Y-500 Barn Red H.P. (ST-4311-El)
Contributors: J. Bednarik, J. Southwick
SummaryConclusions:
Refer: Report of February 26, 1963 to Dr. H. J. Kiefer Title: BUY-OUT 0-62
Subject:
Gloss Enamel Improvement (ST-4313-G2)
Contributors: J. Bednarik, J. Southwick
SummaryConclusions:
Due to problems of seeding being experienced in Japalac Gloss Enamel we have initiated work to examine a zincfree gloss enamel formulation.
Discussion:
We have indications that a zinc-free enamel of high PVC (;' in the range of 25 - 35) has sufficient non-yellow ing to replace Japalac (zinc containing and PVC-17). Our work has just started and no results are available. Yellowing tests will be initiated and results available in three months.
We are also at the same time investigating the possibility of removing the lead drier from the proposed Japalac formula to increase the resistance to discoloring or stain ing.
Subject:
Contributors: SummaryConclusions :
Testing Estlcb Oils In House Paints with the objective of
improving mildew resistance.
(TR-4300-E3)
R. Green, J. Southwick
,
Grinds were made on the Y-185O formula using Estids Oils submitted by the resin laboratory, 1437-28 and 1437-25. These paints showed harder dry than standard oils. Initial grinds indicate that these materials are more difficult to "wet out" than standard oils. More grinds are planned us ing different levels of zinc oxide and exposures are being prepared.
Subject:
To improve the brushing of the Endurance House Paint line. (ST-4310-E2)
Contritubors: R. Green. J. Southwick
SummaryConclusions:
The work mentioned in the January 1963 report has been con tinued with more work on thin bodied oils. Some concern
GLD37603
I
3
has been expressed concerning the durability of paints con taining thinner bodied oils. Along this line of thinking we are comparing paints made with different degrees of body to determine any effect on durability, in addition we are adding rutile titanium dioxide to our paints to decrease the erosion rates.
4
GLD37604
18
MILL PRIMERS Subject: Contributors: Summary Conclusions:
Discussion:
TRADE SALES PRODUCTS
Mill Applied Primers - SI4317K3 J. Watson, R. Toth
April 1963
During the month work was done on Zytel 61 nylon resin. We continued with the industrial high build coatings, e.g. hard boiled mastic, vinyl. Also, work was continued on the tris-amino styrenated alkyd vehicles continually being prepared by Mr. T. Cashie. Finally, a study was started on the difference between lead and Busan in our basic primer formula.
A solution of Zytel 61 nylon resin was made be refluxing 152 of the solid resin in a 80/20 mixture of ethanol and water. We then made a grind using only this cut and TK^. The material webbed very badly on spraying and could not be corrected. We did succeed in making a set of panels which was expsoed in the weatherometer. After 150 hours, all the panels were complete failures. Ho additional work has been planned.
Tests are still continuing with the industrial high build coatings. A series is on the blister box while another is following a cycle of 4 hours soak at 180* F. and 20 hours in a 145* F. oven. So far, our best system is the hard boiled mastic with two coats of vinyl over it. The tests will continue since most of the panels are holding up very well. The tris-amino styrenated alkyd vehicles have been tested in our primer formulas and found to be far from adequate for mill application. The biggest complaint is - a residual tackiness that remains for at least 30 minutes. We are attempting to iron out these difficulties with the resin laboratory.
A series is being prepared that will show a difference between Busan and lead. Our basic primer formula was used with Busan 11, lead silicate W236, and lead carbonate W104.
GLD37605
TRADE SALES PRODUCTS
OIL PAINT - TRADE
May 1963
Subject:
Test Easy Dispersing Chrome Yellow in the Pilot Plant Cowles (SR9201R1)
Contributors:
R W. Green, J. E. Southwick
Discussion:
As a follow up of work done on a laboratory basis, Cowles grinds of three easy dispersing chroma yellows were made in the pilot plant. These chrome yellows were Kentucky Colors 3-0 Softex Light Yellow, Imperial's 3320, and Mineral Pigment's Jet Milled Medium Chrome Yellow. Grinds were made on a special 369Y2 formula. This formula calls for: 220# pigment, 100# V869, 12# 843. Grinding procedure calls for a 20-30 minute grind on the Cowles at 140* F.
The results of these grinds were not satisfactory. The Mineral Pigment chrome yellow while not dispersing to the desired 7-8 grind, did reach a clean 5-1/2 - 6 grind. This is not too bad when compared to standard YV2 which will only grind to a 1 under similar grinding procedures. The Imperial 3320 ground to a very dirty 5 and the Kentucky Color ground to a 4-6.
The main difficulty in grinding, these chrome yellows is in the inability of the Cowles to operate at a speed sufficient to grind and still maintain a temperature of 140* F. Further at grinding speeds in these heavy pastes the Cowles will overheat if grinding is prolonged. This is, of course, the reason we are looking for a pigment that will disperse without too much work.
In the near future we are planning to repeat this work with a new easy dispersing chrome yellow from du Pont.
Correlation of pilot plant grinds of th
chrome yellows and
laboratory grinds on the Cowles are not 'oo good. The
Jreason is mainly due to easier control t temperature and a
lesser degree of overheating of the Cowles in the laboratory.
Subject:
To Give Better Gloss Retention and Mildew Resistance in Long Oil Alkyd Trim Paints (ST431GB2)
Contributors:
R. V. Green, J. E. Southwick
Discussion:
Three long oil alkyds similar in composition to SherwinWilliams Dyal XAD-10 have been compared In Endurance trim colors. The three varnishes involve variations to check the effects of fatty acid composition. These varnishes are 79A51 - an 801 N.V. 70X oil length 70FA/PA/PB alkyd, 79A55 - an 8OX N.V. 70X oil length (26X linseed, 44X tall) TOFA - linseed/PA/PB alkyd, and 79A61 - an 80X N.V. 70X oil length soya/PA/PE alkyd.
GLD3 7606
Subject: Contributors: DiBcusslon:
Subject: Contributors: Discussion:
Subject: Contributors: Subject: Contributors: Discussion:
All of these alkyds look very good on initial test. Exposure panels are being made. Also vork has been started to find a bodying agent for this type of material. At present Attagei 30 looks very good.
Busan House Paint (ST4310G2)
R. W. Green, J. E. Southvick
An 851 TOFA/IPA alkyd at 100 N.V. has been tested in the EGL62001 formula. This alkyd is similar to a TOFA/IPA alkyd suggested by Amoco. The level of Busan has been dropped from 250# to 200# per 100 gallons. This formula shows good dry and excellent gloss. No wrinkling was found as was often the problem with EGL62001.
We are working on an Attagei 30 addition to this paint to overcome some of the brush drag encountered In EGL62001 which uses RCR6164, linseed alkyd.
We hope to have field tests on this material before cold weather sets in.
Rustmaater (Y470) Primer (ST4314P2)
J. Bednarik, J. Davis, J. E. Southwick
We have begun work to examine two pigments - Hammond P-7 lead and Buckman lab's Busan 11-MI as possible replacements for zinc chromate yellow,(YW-77), as the anti-corrosion pigment in Rustmaater Primer Y470. Lower cost and Increased corrosion lnhibitance are the objectives.
Our work has not progressed sufficiently to report testing results as yet. Exterior exposure, humidity and salt-fog testing, and stability testing is planned.
Semi-Gloss Enamel Odor (ST4313G2, ST4318V2)
J. Bednarik, J, E. Southwick
See report of Kay 23, 1963 to Dr. H. J. Kiefer
Alkyd-Polyurethane Florenamel Formulation (ST4306Y3)
J. Bednarik, J. Davis, J. B. Southwick
Baaed on initial exposure and Tabor abrasion results we have begun a reformulation of the Florenamel line to use a vehicle system of equal parts on a non-volatile basis of an alkyd (V869) and a modified polyurethane (RCR-5050). Six month exposures on wood and metal at New Orleans and Cleveland have shown this vehicle combination to give a Florenamel of superior gloss retention and chalk resistance. Tabor abrasion tests
GLD37607
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TRAPS SALES PRODUCTS
OIL PAINT - PAINTER
June 1963
Subject:
Development of a fast dry exterior house paint primer that can be recoated in 2 - 4 hours,
(ST4329P2)
Contributors: Green, Southwick
SummaryConclusions :
Several fast dry primers are now being evaluated. These
primers are based primarily on two formulas. The first Is GP52783D using Aropla2 7310 X-50. The Becond formula is a Busan primer developed by Mr. Watson using RCR6132 (V891 in
$23). Both of the above formulas are mill primers.
We have modified the Busan primer by substituting solvents
In the formula and by variations in the alkyd. Three similar alkyds have been tested in this primer, a 60# NV soya Isophthalic, a 60# linseed Isophthalic alkyd, and a 60% NV Safflower Isophthalic alkyd.
The GP52783D formula has been modified by solvent substitu tion and by replacing lead silicate with lead carbonate.
In addition to these formula a third primer has been devel oped using the RCR6132 family of varnishes. This primer
is lead free and does not use Busan.
Exposure tests are being prepared and will include fur plywood, cedar, yellow pine, and white pine.
Blister test will be run on the blister box and in Mr. Saville's blister cabinet.
Subject:
ADM Soyagel for use in Low Cost House Paint
Contributors: Davis, Southwick
SummaryConclusions :
Work has begun using ADM Soyagel in a low cost house paint formulation. This material is supposed to have thixotropy and excellent brushing. After making one experiment this material looks interesting.
GLD37608
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TRADE SALES PRODUCTS
MISCELLANEOUS
October 1963
Subject:
Evaluation of Imperial X2777 Regal Lt. Yellow and Imperial X2778 Regal Med. Yellow for use In our 369 line for better color retention.
(SR8201R1)
Contributors: Davis, Southwick
Summary:
Work has started comparing Regal X2777 Lt. Yellow to YW-1 and Regal X2778 Med. Yellow to YW-2 presently being used In our 369 line. Tints of YI892 and Y4575 have been made at both 1 loz and 4 loz levels. Initial tests show comparative colors very close in tint strength and color
tone.
Exposure panels of these materials are being prepared for examination of possible color retention of the Imperial
materials..
Subject:
Exposure Examination
Contributor: Bednarik
F-131-1333 Panels23 MonthsRetired
Silicone Enamel & S.G. Enamel Checking & chalk present - outweight gloss retention
F-153-1553 Panels23 MonthsRetired
Spred Lustre with Busan 11..... Equally poor gloss and chalk, but increased mildew with the
BUsan II
Series N-l-9 4 Panels20 MonthsContinuing
Black Gloss Enamels - Y-1207* Y-4551, Dulux, & S.W. Automobile.
Best gloss with Y-1207j then S.W., and Dulux & Y-4551 equal. Best color S.W. with Dulux next and Y-1207 & Y-4551 equal.
Series N-l-16 2 Panels20 MonthsRetired
Cook's V-891 vs V-890 in Y-4550 No noticeable differences
Series 2-37 3 Panels15 MonthsContinuing
Y-4450 testing Std., Desoto, & Atlanta V-891 No noticeable differences
Series 2-41 & N-2-41 4 Panels 12 Months__________
Continuing
Y-1217 with Std. V-869 vs Resynal V-869 Resynal V-869 slightly better for gloss
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-19-
Series 2-1176 Panels10 MonthsContinuing
Exp Speedenamel QD Primer (EGL-63414) Std RCR6103 vs 2-KB-729 No differences noticed - base primer, Y-4550 & lll-W-12 Topcoats
Series 2-322 Panels15 MonthBContinuing
Y-46CO Std vs Y-4600 with 2.0# Busan ll/Galion Poorer corrosion resistance and resistance to dirt pickup with Busan.
Series 2-299 Panels15 MonthBContinuing
Y-555 as primer with Busan 11, Harmon P-7 Lead, & Calcium Molybdate.
Busan is worst due to blistering, gloss less (Y-4550 Topcoat) and
rusting. Molybdate's fair-OK, P-7 Lead almost equal to Y-585 and
Y-'470 Rustmaster.
Series 2-33 & N-2-33 8 Panels __________15 MonthsContir-ving
Ripolin 3ea-Kote (y -4100) with v-891 & W-244
Slightly lower gloss (4-5 units out of 61-62) with V-891i (12.5 gallons per 100 gallons). No difference for use of W-244.
Series 2-502 Panels14 MonthsRetired
YW-132 (369-Y-129 Hilton Davis) vs S.W.'s PL Hansa Yellow (FL-12-378). In Speedenamel (Y-4575) no difference.
NO-315 ~ No-3239 Panels20 MonthsRetired
Colors-In-Oil vs Dramatone in Ripolin Sea-Kote (Y-41C0) Equal color retention & gloss retention except for Dramatone Ruby Red - far better color retention than American Vermillion (Y-1717) No checking.
Series 2-3516 Panels15 MonthsRetired
RCR-5050 (Polyurethane) blends with V-869 (Japalao), V-891 (Speedenamel)
and RCiR-6037 (Ripolin Sea Kote).
Substantual gloss loss and chalking rules out the use cf even 25$$
RCR-5050 as enamel vehicle.
Series 3-322 Panels6 MonthsRetired
Trie-Amino V-869 vs Std. V-869 in Japalac Y-1217
Far worse gloss loss & chalking with Tris-Amino.
Series 2-687 Panels11 MonthsContinuing
RCR-5050 (Polyurethane) - V-869 Florenamels Increasing V-869 ratio increases gloss retention & chalk resistance Even 25# V-869 better than Std. Y-874. 75# V-869 approaches Speed
enamel.
GL037610
4
ing on the edge of the New Orleans panels, however, the Cleveland panels show the Y3651A to be a -trace better.
Subject:
Thixotropic House Paints Made with Versamld 3^80 |: (ST4310E2)
Contributors: Green, Southwick
Summary:
A white alkyd trim paint was made using an 80# non
volatile linseed/tall oil/20# phthallo/PE alkyd Jelled with 8# Versamld 3480. The paint gave a low viscosity
(70 KU initial and 78 KU after 3 days) but had excellent thixotropy that handled quite well. The addition of the
Versamld 3^80 had no effect on the gloss. The flow was good. The properties of- this trim paint indicates ?that it might be a satisfactory paint to consider for the future, however, the addition of 8# Versamld 3480 Increases the price of the alkyd 18^ per gallon.
Subject:
Alkyd Trim House Paints (ST4310E2)
Contributors: Green, Southwick
Summary:
Work is progressing on Alkyd Trim House Paints based on an 80# linseed/tall oil/ 20# phthallic/ PE alkyd.
Two colors Y-I813 and Y-1860 were exposed in the spring of 1963 using this alkyd. These-paints were made at 64# NV and are slightly high in cost. At present we are reformulating these paints at 60-62# NV to bring the
costs in line. All of the trim colors in our Endurance Line are being formulated with this alkyd.
Subject:
In addition a white trim paint with and without zinc oxide are being developed. The1 purpose of this work-'is to determine how much and the^type zinc oxide this a-lkyd can tolerate without excessive reactivity and cracking. Non-reactive zinc oxide (W21$) is being tested along' with leaded zinc (W249) and lead-free zinc (W33).
Periodic Exterior Exposure Examination
(ST4313C-2)
Contributor: Summary:
Ji Bednarik, Southwick
Series N-2-57 - 9 Panels 12 Months - Continuing
Polyurethane?Florenameie on Fir Panels. ; Best panels are Speedenamel & 75*25 blend polyurethane-
alkyd. Almost equal is 50:50 blend polyurethanealkyd. Poor but acceptable is std; Florenamel.\ Worst is S.W. Porch Floor,
Series 3-18 - !il Panel - 7 Months - Continuing
Florenamel vp Mary Carter Trim '&*Deek. Mary Carter slightly better for gloss.
GLD37611
Series 2-107 - 10 Panels - 13 Months - Continuing , Galvanized Metal Primers. Y-471 is good, Y-1851 & EGL-63006 are OK, Y-3525, and Y-555 are poor.
Series 3-60 - 4 Panels - 6 Months - Continuing
Japalac .with CH-448 (CaO) to retard seeding. No differences noted.
Series 3-65 - 4 Panels - 6 Months - Continuing
Speedenamel Q.D. (lllW12)iWith V-306 modification for flexibility.
No differences noted for gloss & film properties,
}.
Series N-2-130 and N-2-I20 - 7 Panels - 10 Months Continuing
Parlon V-S91 equal to std. v-891 in Y-4550. Resynal V-869 slightly lower gloss than std. V-869 in Y-7000. Easy dispersing YW-2's in Y-4560.
M.P.C. J1238 & Imperial! X3220 fair for color fcgloss, Harshaw 2343 poorer for;color, and.RCI 1290 poor compared'to DuPont Y469B std.
Series N-2-80 - 10 Panels 12 Months - Retired
YW-2's & YW-131's in Speedenamel Y-4560. YW-2's: S.W. 12272, Harshaw 2343, and M.P.C. J-1238 equal .or acceptable to std. DuPont Y4690 for color retention and gloss.
YW-131's; Harshaw 2623'equal to stds. RCI1290 -and Imp. X-189.0 for color retention and- gloss. MPC j-1239 superior Tor gloss but'unacceptable'due to darkening.
Series N-2-37 - 3 Panels - 12 Months - Continuing
' Desoto, Atlanta and Cleveland V891 in Speedenamel Y-4550. No significant differences.
Panels No. 224 - 229 - 6 Panels - 20 Months - Continuing
RCR-6037 vs RCR-6043 irv Y-4100 Slightly better gloss with RCR-6043 .
Series N-2-66 - 10 Panels - 12 Months - Continuing ..
Alkyd (V-891) - Polyurethane (RCR-5<?50) Enamels. 75-25 blend vehicle equal to std.jY-4575 for gloss retention, and chalk. Better gloss with alkyd dis persion & polyurethane let-down than vice-versa.
G L D 3 7 612
NO-242-245 -'4 Panels - 20 Months - Retired
V-891 Plorenamel with W-108 innert vs std. V-869.!,
Better gloss retention & color with V-891. Use!of
0.5or 1.0# W-108 per gallon is acceptable.
i
> 4'.
Series 2-84 & N-2-84 - 4 Panels - 12 Months - Retired>
Kentucky color's DS-107> in Japalao Y-1270. Trace poorer color with DS-107 Hansa Yellow when1
