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Airtech

Composiflex Develops Process to Meet Fire, Smoke, Toxicity Standards

24 January 2009

An advance by Composiflex allows selection of composite material based upon performance needs while still meeting fire, smoke, and toxicity requirements with non-phenolic composites.

Composiflex recognized that phenolic-based composites were often specified for aerospace applications simply because of their well-known ability to pass FAR 25.853 FST tests. Engineers sought a method by which composite material selection could be first based upon performance needs for the application and then FST requirements.

Composiflex engineers devised an innovative wrap system, applying a skin of two different materials to the outside of the composite part during lay-up. The result is a component that is optimized for performance under specific application conditions but also passes FAR 25.853 testing. “The difference,” says Marty Matthews, Composiflex sales and marketing executive, “is that mechanical performance can be considered first in the design without compromising compliance with fire, smoke, and toxicity specs.”

The process has already been successfully proven with Composiflex customers in both the commercial and military sectors, most notably in the production of vehicle and aircraft armour.





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