Two-part, flame-retardant epoxy. Can be used for void filling, edge sealing and as an abradable compound in aircraft engines. Cures to a strong, low-density material within 48 hours at 75 degrees F (24 degrees C). Meets the flammability requirements of F.A.R. 25.853 (a) and (b). Reinforces honeycomb. Can be used for bonding inserts.