Emergency Telephone No. Wear self contained breathing apparatus. After ignition source is removed, the metal will continue to glow until complete oxidation has occurred. Use water spray, dry chemical foam or carbon dioxide. Tungsten powder is a weak fire and explosion hazard depending on particulate size and dispersion in air.
Fine dust is highly flammable when exposed to flame.
Tungsten carbide may cause skin dermatitis. Notify safety personnel, eliminate sources of ignition, provide adequate ventilation, do not create a dust cloud during cleanup operations. Carefully scoop, shovel, or vacuum up the spilled material and place it into suitable containers. No special procedures are needed for spills of solid or bulk tungsten. Contact your supplier or a licensed contractor for detailed recommendations.