Quartz Grits Quartz Grits - Premium Grits 0.1 - 0.4mm Gritz 0.3 - 0.7 mm Gritz 0.6 - 1.2 mm Gritz 1.2 - 2.5 mm Gritz 2.5 - 4.0 mm Gritz 4.0 - 6.0 mm Gritz 5.0 - 8.0 mm Technical Specification SiO2 99.8% Minimum High Whiteness point index Density 2.66 gm/cm3 Free from foreign material Hardness 6 – 7 Mohs Sustained Particle Distribution Quartz Grits - Supreme Grits 0.1 - 0.4mm Gritz 0.3 - 0.7 mm Gritz 0.6 - 1.2 mm Gritz 1.2 - 2.5 mm Gritz 2.5 - 4.0 mm Gritz 4.0 - 6.0 mm Gritz 5.0 - 8.0 mm Technical Specification SiO2 99.8% Minimum High Whiteness point index Density 2.66 gm/cm3 Free from foreign material Hardness 6 – 7 Mohs Sustained Particle Distribution Quartz Grits - 65 Micron Grade(Premium / Supreme) Grits 0.065 ~ 0.15 mm Grits 0.065 ~ 0.20 mm Grits 0.065 ~ 0.30 mm Grits 0.065 ~ 0.40 mm