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Our glass marble factory is one of the largest glass marble factories in China, It produces more than 100,000 tons glass marbles per year, including A-glass marble, C-glass marble and E-glass marble. Our marbles can be used in Chemical Engineering , packaging, mechanical engineering and other fields. Based on ISO 9002, high quality marbles are provided at competitive prices. Our products have been exported to America, Europe and other countries in Asia. Excellent reputation has been earned.
A-glass marble
Chemical content
Size E19.5-23.5mm
| Sio2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
B2O3 |
K2O |
R2O |
| 67.00+0.5% |
1.80+0.5% |
<0.25% |
4.6+0.3% |
3.5+0.3% |
6.50+0.5% |
0.5+0.2% |
16.50+0.5% |
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