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Sichuan Sincere & Long-term Complex Material Co., Ltd
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Sichuan-Sincere - High Silica Glass Marble

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High Silica Glass Marbles belong to Na2O-B2O3-SiO2 glass. it’s used to make High Silica Glass fiber.

Appearance Quality:
  1. Glass Marbles Diameter is 16.00±0.7mm.Glass marbles shouldn’t be any out of round and deformed which is visible to nake-eye.
  2. There shouldn’t have any big pits and over 5mm chapped surface, or other impurity such as oil alkali powder ,rust etc.It’s free of stones, coloured impurities, excessive air bubbles inside the marbles.