The PVA grinding wheel have the structure of sponge, it is bonded with Polyvinyl Alcohol . Grinding wheel have the characteristic of porosity and elasticity .They are suitable for polishing many kind …
The PVA grinding wheel have the structure of sponge, it is bonded with Polyvinyl Alcohol . Grinding wheel have the characteristic of porosity and elasticity .They are suitable for polishing many kind …
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