U-shaped abrasive stone is specially used for polishing of marble. Matching equipment: home-made or imported automatic continuous polishing machine or automatic single-head grinding machine. Type: Magnesium synthetic silicon carbide abrasive stone (labber type magnesia grinding brick):14#-320# Resin-bonded abrasive stone (labber type complex suppress resin disk): 320#-1800# LUX includes: 4. Oxalic acid polishing stone and cleaner. 5. Green, white, black, red and dark green polishing stone. 6. Black and white pressed polishing stone.
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