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FAINTING IB CKEAPEB THAN BIPUACEMENT
Chapter 3
SUPERIORITY OF READY-MIXED PAINT
Modem prepared or ready-mixed punt is a development of compara-
vely recent years. In its most generally used form, it is the combination
nents and liquids that has proved in actual service to perform most
tarily the Wink required. It is the result of many years of careful
i and countless tests conducted by paint manufacturers and certain ' organisations.
i one outstanding characteristic of modem mixed punt is its UNIrY. This is due primarily to the system of absolute control i throughout its manufacture. This uniformity is shown in its:
Ingredients ..Consistency,,.
Color Wefcht
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I? : Quality .
ns the only test of the durability of a punt in actual service; butthe quality, ready-mixed paint is as far superior to the old-style, ,-hand-mixed product as the Masda bulb is superior to the
; v Both %re the result of many years' development in their 'along scientific lines.
m^^T^-high-quslity mixed paint\ irgjve;:hrtter protection to his --" ?5the longer life of the paint coat and! fevcty/wayAv
; the plant superahd reduce upkeep : general aatisfaction
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lePigment Combination Pigment
.'t;!?Mfeed^Paint'
il>y paint mannfacturers and other orgamsarions.have ^surface finished .with a properly-balanced, combination^iffl'be given better protection than that afforded by a
^ _ at paint may be composed of a wide variety of raw fats general application. It is made np of the correct per-
*, White Zinc, and inert material such as Asbestine, ith whatever coloringmiatter jaisy be necensxy
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attaint,--WhiteXead andIinaeedjQil, mixed by hand,--
ittndervn-microscope, it
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STANDARDIZE TOOB PAINT PUBCHAM8
would show open spaces between the White Lead crystals, thus producing an imperfect film, lacking many of the characteristics necessary for maximum protection. Usually a paint so composed affords a ready lodging place for dust, dirt, plant pollen and the like, which not only destroy the appearance of the finish, but shorten the life of the paint coat. Furthermore, when repainting is necessary, which usually comes more quickly than it should, costly preliminary work is frequently required to properly prepare the surface for repainting.
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White Zinc or Chdde of Zinc, when used akme,is brittle and soon cracks
and chips,? due to espantym and contraction iff the' surface under atmos' pheric conditions." The wmbination, however, of the correct percentage of
White Lead and White 23nd,ihe;two products held'together t>y asbestine,
?. other inert materiaL^riiich~acte.tlutiaanie ashair in 'plaster--has been proved_to:give ihe best all-aroqiui:aeiTice:tliatis.paesible to obtain from
r--any paint coaiing.Tbe hardness of tbeWhiteflEnc offsets the softness of
1 the White Lead, and the defects of one are.thus balanced by the merits
of the other. -Generally peaking, this is .the composition of most of the high-grade prepared paints on the madcaptogether with whatever coloring
material maybe required to produce various shades.
1 The authority for these statements is home out by the results of tests-
conducted at various paints throughout the country by the Educational
Bureau of the Paint Manufacturers' Association of tie United States with
a viewto determining the relative merits of various types of one-pigment
vs. combination-typepaints.
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Inspection of Atlantic City Test Fence in March.-1909, showed that:
. "Apaintmadefrom say mixtureof mom thanonewhite opaquepigment, either when used alone or incombinationwithsmsllpcToentsgea.es inert pigments, to for superior to any ane-Ficmentpobi.'-It wao'toimd.that the straight white lead paints failed in evetyeese..-.:............... Paints made with huge percentages of white lead, fcowwer, gave-esrrilrnt results.*1
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^JFirst inspection, made iz& May, 1909, of the FittabtixgliTest Fence showed
"`A mixture of move than <me prime whit* pigment, whether thii nW be done or in combination with a emoli prrnrrlterc of f--`-!------1
Second manual inspection. May 7,1010, showetTthat:
"The omnbinmtioti type at point provedmore darebiathes the mniie-
pi^meat peinti. They indtooted in meet eeiee Tesy ncrJirnt wear, with a
Bummnmothlocimw* pad
goodronrtitinnoteBrfoce. ' -
"The Committee finds that the beetdatepainttor ftamnl exterior Me is made of white lead rwniiinwd with iac made mod a nodwate pcmentBpi
ot inert pigments, aoch usiBcm,aeboetiae, orfaaiytea."
Inspection of the Test Fence erected at North Dakota Agricultural College, Nov. 20,1909, showed that:
- "Mixture! of white lead and nine oxide, property bleodadwith moderate peraeataga ot reinforcing pigment!, w as ubeotiae, baryte*. silica and
. calcium corbooate, are noft aatiefactory from eroj etonitpwnt, and are - -superior to mixtures ot prime -white pigments not rehdbred with inert
pigments." "Paint Taeknalofg * Tests'--H. A. Gardner.
Colored vs. White Paint
It has been proved that a paint to which has been added certain coloring material to produce the desired shade will wear from 80 to 60% better and longer than a pure white paint. This means that a surface so finished will require repainting much less frequently than if white is used. White surfaces collect dust and dirt quickly.' Where the necessity for repainting of white painted surfaces comes approximately every three years, the repainting of surfaces of tinted paints would come about every five years. Light tints reflect more light than the dork ones, and for that reason a building painted with a light tint, such as gray, ivory, etc. would be much
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