A Glass Marble
A glass marbles belongs to alkali glass with borosilicate glass. They are the main materials for making superfine fiberglass wool. Glass wool, fiberglass felt and fiberglass paper made from it have the properties of good insulation, corrosion resistance and light weight.
A glass marbles which we make are patent products. The patent No. is ZL96117468. We apply multi-patent technologies. It passes the international quality certificate of ISO9001. They are mainly exported to North America, South-east Asia and so on.
Specification: 19—25mm
|
SiO2 |
Al2O3 |
Fe2O3 |
CaO |
MgO |
R2O |
B2O3 |
|
63.5±0.5 |
4.6±0.3 |
＜0.35 |
4.8±0.3 |
3.3±0.3 |
17.3±0.3 |
5.9±0.3 |
|
62.8±0.5 |
2.5±0.3 |
＜0.3 |
7.4±0.3 |
3.45±0.3 |
16.2±0.8 |
7.2±0.5 |
|
66.3±0.5 |
1.75±0.2 |
＜0.3 |
4.5±0.3 |
3.45±0.3 |
16.4±0.8 |
7.0±0.5 |
|
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