Tungsten Boats Evaporation Boats for Vacuum Metalizing 99.95 % Tungsten Products Tungsten Boats Evaporation Boats for Vacuum Metalizing As a high performance materials, Pure Tungsten has high melting temperature, high density, low vapor pressure, low thermal expansion combined with good thermal conductivity, sufficient electrical resistance, high modulus of elasticity. Tungsten boat is widely used in metallizing, electron-beam spraying as well as sintering and annealing in reducing atmosphere in electronics and light industries. Manufactured by the special production line in our corporation, tungsten boats can provide reliable guarantee of product quality for the users by adopting excellent tungsten materials with high purity, advanced techniques as well as special treatment to the product surfaces. Tungsten boats are mainly used for evaporation or metalization of Al, Ni, Cu, Ag and many other metals in vaccuum furnaces.