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 and artware surface treatment Grit:60#-800#Advantage: Coated with zinc stearate super coating,antistatic and anti-blockingCan stand ...