Milling Glass Beads For Industrial Purpose

Areas of Application Because of remarkable strength, hardness and chemical stability, perfect regularity and clean surface, good fluidity, less consumption and easy to control, the milling glass beads as grinding material are used in the fields of chemical materials, paint, dye materials and pigments, goods medicines and so on. Technical Details No Item GY1-M Series GY4-M Series 1 Chemical Composition SiO2 70-73% Na2O+K2O 12-15% CaO 7-12% MgO 1.0-4.5% Al2O3 0.8-1.0% Fe2O3 <0.2% SiO2 52-55% Al2O3 12-16% CaO 16-24% B2O3 0-12% MgO 0-6% Na2O+K2O <0.8% Fe2O3 <0.2% 2 Specific Density 2.5±0.05 2.6±0.05 3 Specific Heat 0.81 1.92 4 Softening Point 720ºC 840ºC 5 Thermal Expansion Coefficient 85×10-7 42×10-7 6 Mohs Hardness 6 7 7 Roundness >85% >85% 8 Resistance to Acid ≤0.06% ≤0.02% 9 Resistance to Alkali ≤0.06% ≤0.03% 10 Abrasion Rate ≤3.5% ≤2.0% 11 Resistance to Water No mist on surface of glass bead, 0.01mol/l HCL consumption ≤10ml 12 Appearance Round, Clean, Transparent Impurity Product Type GY1-M Series TYPEParticle SizeTYPEParticle SizeGY1-1115M200-425μmGY4-1115M200-425μmGY1-1517M425-600μmGY4-1517M425-600μmGY1-1719M600-850μmGY4-1719M600-850μmGY1-1920M850-1000μmGY4-1920M850-1000μmGY1-2022M1000-1400μmGY4-2022M1000-1400μmGY1-2224M1400-2000μmGY4-2224M1400-2000μmGY1-2425M2000-2500μmGY4-2425M2000-2500μmGY1-2526M2500-3000μmGY4-2526M2500-3000μmGY1-2627M3000-3500μmGY4-2627M3000-3500μm