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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 | |||
TYPE | Particle Size | TYPE | Particle Size |
GY1-1115M | 200-425μm | GY4-1115M | 200-425μm |
GY1-1517M | 425-600μm | GY4-1517M | 425-600μm |
GY1-1719M | 600-850μm | GY4-1719M | 600-850μm |
GY1-1920M | 850-1000μm | GY4-1920M | 850-1000μm |
GY1-2022M | 1000-1400μm | GY4-2022M | 1000-1400μm |
GY1-2224M | 1400-2000μm | GY4-2224M | 1400-2000μm |
GY1-2425M | 2000-2500μm | GY4-2425M | 2000-2500μm |
GY1-2526M | 2500-3000μm | GY4-2526M | 2500-3000μm |
GY1-2627M | 3000-3500μm | GY4-2627M | 3000-3500μm |
Milling Glass Beads For Industrial Purpose