Chemseal - Black Firewall Sealant - MIL-S-38249 Type 1 - Pint | CS-1900 Foam Ear Seals experienced flight instructors and pilots

experienced flight instructors and pilots with real-world tips from the tarmac

enroute low- and high-altitude

high-quality components

Easy-to-apply

weighing only

Chemseal - Black Firewall Sealant - MIL-S-38249 Type 1 - Pint | CS-1900 Foam Ear Seals experienced flight instructors and pilotsFlamemaster CS 1900 Black MIL S 38249 Type 1, Amend. 3 Spec Firewall Sealant Pint (12 fl oz) Can Kit Meets MIL S 38249 Class B CS 1900 is a compound for sealing firewall structures. It is elastomeric at operating temperatures from 65 deg F to 400 deg F and able to withstand flash temperatures of 2000 deg F. Application properties Color: Part A Black Part B Clear Amber Liquid Base viscosity 10,000 12,000 poise Consistency: Workable Paste Work life Tack