Filling Glass Beads For Industrial Purpose

Areas of Application Because of remarkable strength, hardnes andchemical stability, perfect regularity and clean surface, the filling glass beads are used in the materials of plastic,rubber, hone chemical electronics seal and macromolecule materials. 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-F Series TYPEParticle SizeTYPEParticle SizeGY1-1517F 425-600μm GY4-1517F 425-600μm GY1-1315F 300-350μm GY4-1315F 300-350μm GY1-1213F 250-300μm GY4-1213F 250-300μm GY1-1112F 200-250μm GY4-1112F 200-250μm GY1-1011F 180-200μm GY4-1011F 180-200μm GY1-0910F 150-180μm GY4-0910F 150-180μm GY1-0809F 125-150μm GY4-0809F 125-150μm GY1-0708F 106-125μm GY4-0708F 106-125μm GY1-0607F 90-106μm GY4-0607F 90-106μm GY1-0506F 75-90μm GY4-0506F 75-90μm GY1-0405F 63-75μm GY4-0405F 63-75μm GY1-0304F 53-63μm GY4-0304F 53-63μm GY1-0203F 45-53μm GY4-0203F 45-53μm GY1-0102F 38-45μm GY4-0102F 38-45μm GY1-0001F 0-38μm GY4-0001F 0-38μm