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Boron Carbide (B4C), also known as black diamond, is the third hardest material after diamond and cubic boron nitride. It is a suitable material for many high performance applications due to its attractive combination of properties. Its outstanding hardness makes it a suitable abrasive powder for lapping, polishing and water jet cutting of metals and ceramics.

Boron carbide (B4C) is one of the hardest synthetic materials known to man; inferior to only cubic boron nitride (cBN) and diamond. This imparts exceptional wear- and abrasion-resistant properties, enabling manufacturers to rise to unique challenges of some of the most demanding application areas on earth.

The hardness of boron carbide is second only to diamond and cubic boron nitride. It has the characteristics of high temperature resistance, acid and alkali corrosion resistance, high strength, high chemical stability, and light specific gravity. Today I will introduce to you what is the use of boron carbide.