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A Glass Marbles
A glass marbles belong to alkali glass with borosilicate glass. They are the main materials for making superfine glassfiber and wool. Glass wool, glassfiber felt and glassfiber 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.
Product Type: 19-25mm.
Product Capacity: 30000Tons.
Quality requirement: According to J Enterprises Standard Q/20671163-X.2-2005.
Chemical Makeup (%)
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+0.2 | 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 |