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High Temperature and Firewall

PR-812 Firewall Sealant

PR-812 is a high temperature, primerless firewall sealant. It has a service temperature range from -65°F (-54°) to 400°F (204°C), and will withstand flash temperatures of 2000°F (1093°C). The material is designed for sealing firewall structures against the passage of air and vapors.

PR-812 is a two part, synthetic rubber compound. The uncured material is a low sag paste suitable for application by extrusion gun or spatula. It cures at room temperature to form a resilient  sealant to common aircraft substrates.

 
 

Specifications

  • MIL-S-38249 - Type I - MILITARY SPECIFICATION