PRC Desoto - PS-700 Pro-Seal Firewall Sealant - 6oz Child Aviation Headset When used as the base

When used as the base primer for specification approved epoxy and polyurethane topcoats

If you’re outfitting ground support operations or replacing worn equipment

Compatibility: Fits most David Clark models (excluding H20-series)

PA-25-235B (25-2000 thru 25-2136)

scheduled maintenance

PRC Desoto - PS-700 Pro-Seal Firewall Sealant - 6oz Child Aviation Headset When used as the basePRC Desoto PS 700 Pro Seal Firewall Sealant 6oz P S 700 is a high temperature primerless firewall sealant. It has a service temperature range from 65 F ( 54 C) to 400 F (204 C, with withstand flash temperatures of 2000 F (1093 C). The material is designed for sealing firewall structures against the passage of air and vapors. P S 700 is a two part, synthetic rubber compound. The uncured material is a low sag paste suitable for application by extrusion