LEWCO 332-2L is a light weight, inexpensive, woven, nonflammable, asbestos free fiberglass fabric suitable for light sparks and spatter when used in welding, metal cutting, and grinding operations.This material should be oriented as a curtain or draped downward to allow hot metal to roll off.  This material should not be used to catch and hold molten slag. LEWCO 332-2L has been tested and meets NFPA 701-1999 Fire Tests for Flame-Resistant Textiles and Films Method 1.