成分：SiO2: 99.92%-99.5%; Fe2O3: 15ppM max;
Li2O: 1.0ppM max; Al2O3:25ppM max;
K2O:20ppM max; Na2O: 11 ppM max;
粒度：(1) 3-10mm, 10-50mm, 8-5mm, 5-3mm, 3-1mm, 1-0.5mm, 1-0.2mm,0-0.5mm, 0.5-0.2mm, 0.5-0.1mm, 0.2-0.1mm, 0.5-1mm.
(2) -4+10mesh, -10+20mesh, -20+50mesh, -30+50mesh,-50+100mesh, -120F, -200F, -325F, -400F, -600F.