MIL-DTL-24631/3B(SH)
8/ The epoxy resin shall be Scotch Weld 2216B (clear amber) epoxy available
from the 3M Company, 3M Center, 2501 Hudson Road, St. Paul, MN 55144, or
equivalent such as Epon 828 from Shell Chemical Co.. See 3.5.7 of
MIL-DTL-24631A(SH).
Use of alternate ingredients in the formula must have prior approval of the
Naval Sea Systems Command. Approval will be based on review of data showing
equivalent physical and chemical characteristics to the specified ingredient.
It will be necessary to demonstrate that the paint compound made using the
alternative ingredient will conform to all requirements of the MIL-DTL-24631
general specification.
QUANTITATIVE REQUIREMENTS. The paint shall meet the quantitative requirements
of table III and the qualitative requirements of section 3 of the
MIL-DTL-24631 general specification.
TABLE III.
Quantitative requirements.
Mixed
Requirements
Component A
Component B
components
Min
Max
Min
Max
Min
Max
Pigment content, percent (%)
24.6
32.6
30.8
38.8
---
---
by weight (wt) 1/
22.1
26.1
26.1
30.1
---
---
Volatiles content, %wt 2/
Nonvolatile vehicle content,
45.3
49.3
35.1
39.1
---
---
%wt 3/
Consistency, KU
---
---
---
---
60
---
Mass per unit volume, grams per
1111
1201
1327
1417
---
---
liter (g/L) [pounds/gallon
(9.60)
(9.80)
(11.14)
(11.35)
(lb/gal)]
Fineness of grind, Hegman
---
---
---
---
5
---
C ( F)
---
---
---
---
27
---
Flash point,
(80)
Set-to-touch time, hours
---
---
---
---
---
8
Dry hard time, hours
---
---
---
---
---
24
Pot life, hours
---
---
---
---
6
---
Gloss 60 degree ( ) specular, %
---
---
---
---
---
100
Contrast ratio
---
---
---
---
0.9
---
Course particles, %
---
0.3
---
0.3
---
0.6
Volatile organic content (VOC),
---
---
---
---
---
340
g/L (lb/gal)
(2.8)
1/ Calculation includes weights for all ingredients not covered by notes 2
and 3. Minimum pigment %WT was calculated as 100%-maximum %WT volatiles-
maximum %WT nonvolatile vehicle. Maximum pigment %WT was calculated as
100%-minimum %WT volatiles-minimum %WT nonvolatile vehicle.
3
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