4mm 5mm transparent glass ball with 0.02mm tolerance | |||||||||
| Shape | Solid Ball | Color | Transparent | ||||||
| Mohs Hardness | 7 | HRC hardness | 46 | ||||||
| Real Density | 2.5g/cm3 | Bulk Density | 1.5g/cm3 | ||||||
| Si02 | 70.2% | Na20 | 12.5% | ||||||
| Ca0 | 9.0% | Mg0 | 3.6% | ||||||
| Al203 | 3.8% | Fe203 | 0.1% | ||||||
| K2O | 0.4% | Packing | 25kg per bag | ||||||
| Size: 20 30 40 50 60 70 80 100 120 140 150 200 mesh … 4mm 5mm 6mm ….20mm | |||||||||
| Size No. | FED. SPEC. MIL-G-9954A | US STD. Screen | Size Range (Inches) | Size Opening (Micros) | Min. Sphere Count | ||||
BT-3 | size 3 | 20 | 30 | .0031 | .0232 | 840 | 590 | 70 % | |
BT-3 | size 3 | 20 | 30 | .0031 | .0232 | 840 | 590 | 70% | |
| BT-4 | size 4 | 30 | 40 | .0232 | .0165 | 590 | 420 | 70 % | |
| BT-5 | size 5 | 40 | 50 | .0165 | .0117 | 420 | 297 | 70% | |
| BT-6 | size 6 | 50 | 70 | .0117 | .0083 | 297 | 210 | 80 % | |
| BT-7 | size 7 | 60 | 80 | .0098 | .0070 | 250 | 177 | 80 % | |
| BT-8 | size 8 | 70 | 100 | .0083 | .0059 | 210 | 149 | 80 % | |
| BT-9 | size 9 | 80 | 120 | .0070 | .0049 | 177 | 125 | 80 % | |
| BT-10 | size 10 | 100 | 170 | .0059 | .0035 | 149 | 88 | 90 % | |
| BT-11 | size 11 | 120 | 200 | .0049 | .0029 | 125 | 74 | 90 % | |
| BT-12 | size 12 | 140 | 230 | .0041 | .0024 | 105 | 62 | 90 % | |
| Big ball:3mm 4mm 5mm 6mm …..16 19 20 30 40mm… | |||||||||
| Applications: -Satin surface treatment of Stainless steel and other metals, Rust removal, Sandblasting, Polish -Polish and grinding material of metal, mould. Don’t break surface and improve precision -Additive and fortifier in Chemical industry, Plastic, Rubber, Oil paint -Shot blasting and Finishing of Medical apparatus and instruments, Textile machinery, Food machinery and all kinds of hardware -Cleaning of Turbine of engine,Aircraft engine vane, Axle, Bearings etc. -Polishing of Jewelry, Horologe, Lamps and lanterns, Cosmetic, Glasses accessories -Blast cleaning, Paint removal, Carbon removal, Tool marks removal -Sandblasting of aerospace parts, Weld pass cleaning, Surface scratch removal etc -Wire-electrode cutting mould cleaning, Rubber mold fouling cleaning – Bath sink, Spray paint, Decoration and so on | |||||||||
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