Technical data
6.12.17.5 Application. Apply by HVLP spraying meth-
ods (hot or cold method) or as recommended by the manu-
facturer within the six hours at 75° F/24° C pot life of the
material.
6.12.17.6 Drying Time. Set-to-touch - 5 hours and dry
hard 18 hours.
6.12.18 Coating, Corrosion Preventive, For Aircraft
Integral Tanks, MIL-C-27725/SAE AMS-C-27725.
6.12.18.1 Characteristics. This is a polyurethane ma-
terial available in two types each with two classes. It is fuel
resistant and is used to provide protection of aircraft fuel
tanks against corrosion from contaminants and water in fuels.
Type I A one-part formulation polyurethane
coating.
Type II A two-part formulation polyurethane
coating.
Class A General use (does not comply to most
air pollution regulations, may be used
only where not prohibited).
Class B Limited use (For areas requiring regula-
tion of air pollution caused by emis-
sions of certain solvents that produce
smog).
TO 1-1-8
6-20