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What Is the Difference Between Green Silicon Carbide and Black Silicon Carbide?

Appearance and Purity

Type	Appearance	Purity
Green Silicon Carbide	It has a bright green color. Green silicon carbide is of higher purity, typically with a silicon carbide content of over 99%. The high purity is achieved through a more refined production process.
Black Silicon Carbide	Black silicon carbide has a black - blue color. Its purity is relatively lower, usually with a silicon carbide content ranging from 95% - 98%. The presence of some impurities gives it the darker color.

Hardness and Brittleness

Type	Hardness	Brittleness
Green Silicon Carbide	It is harder than black silicon carbide. With its high purity and dense crystal structure, green silicon carbide has a Mohs hardness of around 9.3. It can more effectively grind hard and brittle materials.
Black Silicon Carbide	Although still very hard (Mohs hardness around 9.2), it is relatively less hard compared to green silicon carbide. It is also less brittle, which means it can withstand more impact during the grinding process.

Application Fields

Type	Application Fields
Green Silicon Carbide	Due to its high hardness and purity, it is mainly used for grinding hard and brittle non - metallic materials such as optical glass, ceramics, and precious stones. It is also suitable for high - precision grinding operations where a smooth surface finish is required.
Black Silicon Carbide	It is commonly used for grinding ferrous metals, non - ferrous metals, and some non - metallic materials with lower hardness requirements. For example, it is widely used in the grinding of cast iron, brass, and aluminum alloys.

Pub Time : 2025-10-17 16:47:26 >> News list

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Zhenan Metallurgy Co., Ltd

Contact Person: Mr. xie

company news about What Is the Difference Between Green Silicon Carbide and Black Silicon Carbide?

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What Is the Difference Between Green Silicon Carbide and Black Silicon Carbide?

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