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PPG PR812 Firewall Sealant

PPG PR812 Firewall Sealant
PR-812 is a high temperature primerless firewall sealant.The material is designed for sealing firewall structures against the passage of air and vapours Read more
From £52.03 excl VAT
(£62.44 Inc VAT)

Product Information


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.

Application life and cure time for PR-812

Application life and cure time @ 77°F (25°C), 50% RH  Hours
Application life 2
Tack free time <24
Cure time to 30 A Durometer 48


MIL-S-38249 AMDT 3 Type 1
DHMS S3.04 Conforms

Specifications and Information

Technical Information

Product Code
Commodity Code
Country Of Origin
United States
UN Number
UN1133 CL3 II

Document Downloads

Sil-Mid Limited DO NOT GUARANTEE that the information in these documents is the most up to date information available from the manufacturer, there are times when updated information is released and we are not made aware immediately.

Delivery information

Orders over £50 placed online will now qualify for FREE UK Mainland delivery*

Orders under £50 placed online for UK Mainland delivery is £8.00*

**Orders requiring Pre 10.00am Next Day delivery has also been lowered from £35.00 to £21.00, orders placed through the office will incur additional charges.** 

International delivery (door to door delivery) is available for selected countries worldwide. Shipping will be automatically calculated based on the weight, location and hazardous nature of the goods. Customers can also choose ex works to arrange their own collection.

Please refer to our delivery page for more information.