TM 1-1520-240-BD
Table 2-5. Acceptable Adhesives - Continued
MANUFACTURER’S
ITEM NO.
ADHESIVE
DESIGNATION
SYSTEM NO.
24
190-H-1 Resin
191-C-21 Catalyst
25
190-H-1 Resin
190-B-10 Catalyst
10
34
Pro-Seal 501
11
26
EC-1239
33
Pro-Seal 719
36
PR9021
12
17
Epon 828
81
Curing Agent DTA
13
53
PS-18 Cement
48
PS-18 Catalyst
121
PS-18 Promoter
f.
Application of Adhesive System No. 4.
WARNING
The adhesives under this system are
toxic and flammable. Work only in
well-ventilated
areas
away
from
flame.
(1)
Refer to Table 2-5 for list of acceptable
adhesives. Clean all faying surfaces with methyl-ethyl-
ketone.
(2)
Brush one uniform coat of primer (item
35, Table 2-5) on all faying surfaces, except rubber
surfaces. Allow the primer to dry for 30 to 60 minutes.
(3)
Thoroughly blend 20 parts, by weight, of
the adhesive base with 1 part, by weight, of accelerator.
NOTE
The pot life of blended adhesive is 24
hours.
(4)
Bond rubber to surfaces other than rubber
as follows:
(a)
Brush one uniform coat of blended
adhesive on rubber surface. Allow it to dry for 30 to 60
minutes.
NOTE
Both adhesives may be cured in
3 hours by maintaining a temperature
of 150 F (66°C).
For best results the adhesive
should be 0.002 to 0.003 inch thick.
(b)
Brush a second coat on one of the
surfaces and allow it to dry until tacky.
(c)
Join coated surfaces with sufficient
pressure to ensure solid contact.
(d)
Allow
adhesive
to
cure
under
pressure for 16 hours at 700F (21.1 °C) before handling.
NOTE
Complete cure is achieved after 7
days at 70°F (21.1°C, or in 16 hours
at 70°F (21.1 °C), followed by 1
hourat2000F (930C).
(5)
Bond rubber to rubber as follows: Brush
one uniform coat of the blended adhesive, on both
faying surfaces and allow it to dry for 30 to 60 minutes.
2-52
