爆破玻璃珠工业用途

Areas of Application Because of remarkable strength, hardness andchemical stability, perfect regularity and clean surface, keeping the mechanical precision of processed parts and no contaminating to the parts, the glass beads as blasting materials are used in the fields of cleaning, deburring, surfaces preparation, finishing and strengthening. Technical Details NO ITEM GY1-B 1 Chemical Composition SiO2 70-73% Na2O+K2O 13-16% CaO 6-10% MgO <5% Al2O3 1.2-2.4% Fe2O3 <0.15% SO3 <0.3% 2 Specific Density 2.5±0.1 g/cm3 3 Apparent Density 1.5-1.6 g/cm3 4 Mohs Hardness 6 5 Softening Point 720±10 6 Refraction Index 1.51-1.52 7 Breakage Rate About 3-5% for one cycle 8 Package 25 kgs paper bag Product Type GY1-B TYPE Particle Size GY1-1719B 600-850μm GY1-1517B 425-600μm GY1-1215B 250-425μm GY1-1013B 180-300μm GY1-0912B 150-250μm GY1-0711B 106-212μm GY1-0509B 75-150μm GY1-0307B 53-106μm GY1-0206B 45-90μm