Tungsten Boride
Tungsten boride (W2B5)
Name: boranylidyne(λ2-boranylidene)tungsten,boranylidynetungsten,λ2-boranylideneboron
Other Names: Tungsten boride; diboranylidyne-1,2,4-tribora-3,5-ditungstacyclopenta-1,3-diene;
DITUNGSTEN PENTABORIDE,W;
CAS: 12007-98-6
Formula：B5W2
Molecular Weight：428.79100
Exact Mass：430.00300
Melting point: 210-214°C
Production: 2mol of tungsten frits with 5mol of boron powder at 1200～1300℃ in a vacuum or argon atmosphere, Tungsten boride (W2B5) can be informed.
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Tungsten trioxide, also known as tungsten oxide or tungstic anhydride, WO3, is a chemical compound containing oxygen and the transition metal tungsten.
Tungsten carbide powder (WC) is the main raw material for producing cemented carbide, chemical formula WC. Tungsten carbide powder is a black six square crystal with metallic luster and hardness similar to diamond. It is a good conductor of electricity and heat.
Tungsten belongs to the rare element in the earth's crust containing only 0.007% of China's tungsten reserves of about 55% of the world's total reserves in the first place.