Open Coated ALUMINUM OXIDE(A/O) Sand Paper Good performance and long life Open Coated ALUMINUM OXIDE(A/O) Sand PaperItem No.SA18009 Specifications:1) Backing paper : Awt,Cwt,Dwt,Ewt,Fwt paper.2) Grain: SILICON CARBIDE(S/C)3) Grit: available in a variety of girt, Nonstandard grits base on customers requirement4) Size : 230mm x 280mm,230mm x 230mm also Customized size,5) Bond : Resin over resin. ...