Form:

This specification covers two-part, high temperature resistant polysulfide compounds.

Application:

This product is used primarily for sealing aircraft firewall structures against passage of air and vapors. The cured compound shall remain an effective sealant at all temperatures between -65 and +400 °F (-54 to +204 °C) and shall be able to withstand a flash temperature of 2000 °F (1093 °C).