1.120-1200# 2.glass sand media 3.direct manufacturer 4.high quality Application:Ground processing, Cleaning scales, Pear ground processing, cleaning the anodizing membrane.Specification: NO (#)SIZE(μm)NO (#)SIZE(μm)MATERIALF 122000~1400F 120125~90White Fused Alumina Chemical CompositionAl2O3 (99.7% above)Hardness: Mohs: 9Specific gravity: 3.95-3.97F 141700~1180F 150106~63F 161400~1000F 18090~53F ...