Dry sand for wooden product polishing *Silicon carbide,Cwt-type paper. *For furniture,paint,woodware,artware *36#-400 ... # Shengyan dry sand for wooden product polishing Material: Silicon carbide,closed coat and Cwt-type paperUsage: For polishing furniture,paint,woodware ... zinc stearate super coating,antistatic and anti-blockingCan stand wear and tear,low consumption,handy and with high quality.OEM is ...