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Glass Marble

E-glass marbles are the main materials of making E fiberglass and super fine E glass wool. - more info check here: http://www.sourcingtoys.com/Glass-Marble-10037195/

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Place of Origin: Shanghai China (Mainland) Glass Marble: Fiberglass Ball

Product Features:

E-glass marbles are the main materials of making E fiberglass and super fine E glass wool.

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Glass Marble
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Specifications and Product Details:

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

Production capacity: 40000 tons

Quality requirement: According to JC935-2004Standard

Chemical makeup:

SiO2Al2O3Fe2O3CaOMgOR2OB2O3
54.1±0.514.6±0.40.516.6±0.34.6±0.3≤0.88.8±0.5

Physical index

Density: 2.5570±0.01g/cm Melting point: 836±10°C

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