The new Factory Mutual (FM) 4910 PVDF (polyvinylidene fluoride) high purity sheet material meets the requirements of FM Clean Room Materials Flammability Test Protocol, Class 4910. Materials meeting FM guidelines offset the potential for contamination by smoke and corrosive by-products associated with fire. The sheet is manufactured from Kynar® 740 resin. It features fully traceable and verifiable resin, excellent chemical resistance, UV stability, and high quality machining and welding. It is available in sizes 4-ft. by 8-ft. and widths ranging from 1/8-inch to 1-inch.