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green silicon carbide whetstone

What is whetstone?

‌‌What is wetstone? Whetstone is a kind of rock rich in oil,mainly used for grinding and polishing verious tools and parts.It is made of abrasives,binder and air hole.Abrasives are the main raw material of wetstone,binder used for binding abrasives and air hole for removing grinding debris and dissipating heat. According to the raw material ,whetstone

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