Table 2-5. Acceptable Adhesives - Continued
Curing Agent DTA
Application of Adhesive System No. 4.
The adhesives under this system are
toxic and flammable. Work only in
Refer to Table 2-5 for list of acceptable
adhesives. Clean all faying surfaces with methyl-ethyl-
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.
Thoroughly blend 20 parts, by weight, of
the adhesive base with 1 part, by weight, of accelerator.
The pot life of blended adhesive is 24
Bond rubber to surfaces other than rubber
Brush one uniform coat of blended
adhesive on rubber surface. Allow it to dry for 30 to 60
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.
Brush a second coat on one of the
surfaces and allow it to dry until tacky.
Join coated surfaces with sufficient
pressure to ensure solid contact.
pressure for 16 hours at 700F (21.1 °C) before handling.
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
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.