... mesh, -400 meshPhysical Properties:a. Dark gray amorphous powder, boiling point 3000 °C, melting point 1668 °C ± 2 °C, insoluble in water and ... , H2SO4, HCl and HNO3 at room temperature.b. The content of N, H, O, C will increase in the air.c ... your required mesh size, quantity and specification alongwith your area of application to send you best price. Titanium Sponge Powder