TM 1-1520-240-BD
Table 2-4. Adhesive System Criteria
ADHESIVE
NO. OF
POT LIFE
SYSTEM
COMPO-
PHYSICAL
AT 21.1 °C
FLASH
SHELF
STORAGE
NO.
NENTS
PROPERTIES
(700F)
POINT
LIFE
TEMPERATURE
8
1
Cures to a rubbery
5 to 10
50°F
8 months
Below 80° F
solid. Excellent
(10°C)
for adhesive
(26.7°C)
peel strength and
for primer
12 months
good insulating
for primer
properties.
Resistant to water
and ozone. Poor
resistance to oil
and no resistance
to fuel
9
2
A rigid adhesive
1 hour
150°F
2 years
Below 80°F
high in tensile and
(66°C)
(26.7°C)
shear strength, but
low in peel
strength. Good
resistance to fuel
and oil but poor
resistance to water
and salt spray
10
2
A tough flexible
30 minutes
150°F
6 months
Below 80°F
adhesive, resistant
(66°C)
(26.7°C)
to water, fuel and
oil. Poor resistance
to salt spray
11
2
Cures to a tough,
1/2 hr for
800F
6 months
400 to 80 F
SEE NOTE
flexible rubber with
B-1/2 1 hr
(26.7°C)
(4.5° to 26.7°C)
good peel strength.
for B-1
Resistant to fuel,
2 hr for B-2
water, and salt
4 hr for B-4
spray
8 hr for B-8
12
2
A rigid adhesive
20 to 30
395°F
2 years
Below 80°F
high in shear and
minutes
(201.8°C)
(26.7°C)
tensile strength
13
3
A rigid adhesive
10 minutes
-
1 year
Below 75° F
which will not
(23.9°C)
craze acrylics
NOTE
The acceptable adhesives under this system are available in a choice of pot lives. For example,
B-1/2 indicates a pot life of 30 minutes, B-1 a pot life of 1 hour, etc.
2-49
