... manufacturer with CE and ISO 2.no bubble,no scrape,clear. 3.All kinds of slides 4.OEM is available 7101 ----ground ... edges, 1"x3", thick 0.8-1.0, 1"x3", thick 1.0-1.2 7102 ... %Magnesium OxideMgO3.95%Aluminium OxideAL2O31.65%Ferric OxideFe2O30.06%Density : 2.50 x 103 kg/m3Special glass material, with special composition ...