MIL-DTL-15090E
TABLE II. Alkyd resin requirements.
Requirements
Characteristics
Minimum
Maximum
Nonvolatile resin, %WT of solution
49
51
Phthalic anhydride, %WT of non- volatile
30
-----
vehicle
Drying oil acids, %WT of non- volatile vehicle
45
55
Acid number
5
12
Dihydric alcohol, %WT of non-volatile resin
----
7
Viscosity (G-H) at 25 C
U
Z
Color, gardener
-----
10
Weight per gallon, kg/liter (pounds/gallon)
1.16(9.7)
1.28 (10.7)
Soya oil
Positive (by certification)
Rosin
Negative (by certification)
Phenolic resin
Negative (by certification)
3.5 Quantitative requirements. The enamel shall conform to the quantitative requirements in tables III, IV, V,
TABLE III. Formula no. 111 quantitative requirements.
Requirements
Characteristics
Minimum
Maximum
Pigment, %WT of enamel
22.0
25.0
Volatiles, %WT of enamel
46.0
49.0
Nonvolatile vehicle, %WT of enamel (calculated
28.0
31.0
by difference)
Water, %WT of enamel
------
0.5
Coarse particles and skins (as residue on N. 325
------
0.2
sieve) %WT of enamel
Viscosity, Krebs units
75
85
Weight per gallon, kg/liter (pounds/gallon)
1.31 (10.9)
1.42 (11.9)
60o Specular gloss
35
50
Contrast ratio
0.97
-----
Color, ĆE
-----
0.5
Time to dry to touch (hours)
-----
2.0
Time to dry through (hours)
-----
8.0
Pencil hardness
HB
-----
Fineness of grind, Hegman units
5
------
Flashpoint, C ( F)
38 (100)
------
6
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