Number V22-350 is a closed cell, UL 94 V-0 rated, flame retardant, FDA Grade silicone
sponge. This product passes the FDA requirements for food contact. The United States Food and Drug Administration, CFR, code of federal
regulations, part 177.2600 titled, Rubber Articles Intended for Repeated Use, covers products that may be safely used in production, manufacturing,
packing, processing, preparing, treating, packaging, transporting or holding food.