wet and dry abrasive sand paper,usually in polishing and sanding metal mould,carbon fiber workpieces,fiber glass,composite materials and precision instrument. 3 colors,gray blue yellow.similar to SIA1913
grain:aluminum oxide
backing:Cwt 30% latex paper
bond:resin/resin
grit size:80 to 2000
form:230mm*280mm sheet,roll 1380mm*100m ,discs 150mm
packing:100 sheets/bale,500 or 1000 sheets/ctn