Main Products: white fused alumina ,brown fused alumina ,silicon carbide
Teddy Bear Toy filling beads 3-4MM clean glass beads
USD $430 - $440 /Metric Ton
Min.Order:1 Metric Ton
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henan sicheng abrasives co .,ltd
Business licenseMain Products: white fused alumina ,brown fused alumina ,silicon carbideProduct Details
Teddy Bear Toy filling beads 3-4MM clean glass beads
The glass beads,composed of Si,Na and Ca,are broken and calcined by high temperature after which the said microspheres are obtained.With properties of the high roundness rate,better hardness,excellent anti-friction and direct reflect light .They are widely applied in the fields of plastic rubber,abrasion ground,blast derusting,road-reflect dope and handicraft lamp,etc.
Physical and Chemical performance | |
Size | 3-4mm |
SiO2 | ≥65% |
Na2O | ≤14% |
CaO | ≤8.0% |
MgO | ≤2.5% |
Al2O3 | 0.5-2.0% |
Fe2O3 | ≥0.15% |
Other | 2.0% |
Bulk density | 1.5g/cm3 |
Real Density | 2.5g/cm3 |
Mohs Hardness | 6-7 |
HRC hardness | 46 |
Roundness | ≥92.5% |
Magnetic | ≤0.1% |
Bubble | <0.1% |
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