The Black Stallion B-CBN16 16 oz. Carbon Fiber Felt Welding Blanket offers high heat resistance. The carbon fiber felt blanket is designed to be placed directly under a hot work operation or horizontal with severe to moderate exposures. In addition to excellent high heat resistance, carbon fiber felt is easy to cut and can be conformed to complex curves. .170" thick 16 oz. carbon fiber felt has a 1,800°F melting temperature making it ideal for HEAVY DUTY applications: heavy sparks, spatter, and slag.