For heavy duty welding - sparks, spatter, and light slag Carbonized fiber is the softest and toughest welding protection ever 16 oz. black carbonized fiber Lightweight, soft, and flexible welding blanket, providing incredible ease of use while withstanding high heat Protects against sparks, spatter, and light slag Temperature rating: 1800Deg F Weight: 16 oz./yd2 Thickness: 0.150"-0.200" Not grommeted Not recommended for stress relief FM approved .
