Table I
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---|---|---|---|
Requirements of Mixed Paints
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Characteristics
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Type I White and Yellow
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Pigment, percent by weight
|
55-60
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Nonvolatile vehicle, percent by weight of vehicle
|
40 minimum
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Uncombined water, percent by weight of paint
|
1.0 maximum
| ||
Coarse particles and skins (retained on No. 325 sieve, I/percent
by weight of pigment
|
1.0 maximum
| ||
Consistency: krebs units
|
65-77
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Weight per gallon, lbs., white
|
11.7 minimum
| ||
Yellow
|
12.0 minimum
| ||
Fineness of grind, hegman
|
2.0 minimum
| ||
Contract ratio, dry
|
0.96 minimum
| ||
Directional reflectance, white
|
84 minimum
| ||
Yellow
|
50 minimum
| ||
Drying time, no pickup, minutes (lab), ASTM D711
|
30 maximum
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Flexibility
|
No cracking or flaking
| ||
Bleeding test, ASTM D868
|
5 minimum
| ||
Water resistance
|
—
| ||
Skinning (48 hours)
|
None
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Storage stability, ASTM D1309
|
6 minimum
|