Black Slag Fiberglass (1100° F)
This fabric is superior for use in tough welding applications. When it lies at a 25° or larger angle, it can shed molten splatter that reaches temperatures up to 3000° F. It also provides protection from sparks and grinding, and it is highly resistant to abrasion. As a curtain, it can be used for light to medium sparks; as a blanket, it can be used for medium sparks. This material comes in 40 mil thickness and 21oz weight. The color is black, and it can be used for welding curtains, blankets, and screens. This blanket should not be used for stress relief or heat treating.