1. Tungsten Copper Rod, Tungsten Pellet, Pure Tungsten Ring 2. Pure Tungsten, Tungsten Alloy 3. Custom Product Available We stocks Tungsten in a variety of ... melting point and density and its low vapor pressure. Tungsten is an excellent material for high vacuum technology, ... stability, glass seals and furnace construction. In addition, Tungsten’s high density gives it a capacity to absorb radioactive ...