E glass marble
E glass marbles are the main materials of making E fiberglass and super fine E glass wool. The products sell well in large and medium fiberglass enterprises in 18 provinces and cities in China. Parts of the products are exported abroad.
E Glass Marble
E glass marbles are the main materials of making E fiberglass and super fine E glass wool. The products sell well in large and medium fiberglass enterprises in 18 provinces and cities in China. Parts of the products are exported abroad.
Specification: 18.5—20.2mm
SiO2 | Al2O3 | Fe2O3 | CaO | MgO | R2O | B2O3 |
53.7±0.5 | 13.8±0.5 | <0.5 | 19.9±0.5 | 3.5±0.5 | ≤0.8 | 6.8±0.5 |
Physical index:
Density: 2.5570±0.01g/cm Melting point: 836±10℃ Bobblling point:>=1055℃