Designed to withstand the punishing heat of jet engines, these panels retain their strength for hours even when exposed to hot gas flames. Tested to EN 13501-1 Class A1, they meet the strictest non-combustibility requirements. Use them as a lightweight alternative to carbon fiber, plastic, or aluminum to make fire-rated enclosures, electrical housings, and structural panels. They can be machined with standard cutting and milling tools. All ship with a traceable lot number printed on the packaging.