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CYC High Silica Glass Marbles For Manufacuring High Silica Glass Fiber

CYC High Silica Glass Marbles For Manufacuring High Silica Glass Fiber

Place of Origin : Chengdu, China
Brand Name : CYC
Certification : ISO9001:2008
Model Number : HCY-GMB20
MOQ : 1000KG
Price : USD$2800-3500/MT
Packaging Details : Standard Exporting Bags or Ton-bags or Pallet
Delivery Time : 10~15 days around
Payment Terms : T/T, L/C, Western Union
Supply Ability : 10000MT per Month
Glass Type : High Silica Glass Marbles
Technique : Na2O-B2O3-SiO2
Dimensions : 20.0±0.5 mm
Specific Gravity : 2.30 g/cm³
Soften Point : ≥700 ℃
Melting Point : 1340~1360 ℃
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High Silica Glass Marble

CYC High Silica Glass Marbles are belonging to Na₂O-B₂O₃-SiO₂ glass which is designed for manufacturing fine high silica glass fiber and high silica glass wool particularly. Our high silica glass marbles’ quality control is under ISO 9001:2008 standard. It is widely used in special glass fiber enterprises over China and abroad, such as USA, Russia and Belarus so on. The production capacity is around 40000 tons per year.

Glass marble balls are round & smooth
No visible deformed or defective glass marble balls
No impurities affect the production
No air bubbles in glass marble balls
Soften point ≥700℃


ItemSiO₂ (%)B₂O₃ (%)Fe₂O₃ (%)Na₂O (%)Others (%)


Product Code

Ball Diameter


Soften Point


Melting Point (℃)

Specific Gravity





Appearance Quality:

1. The diameter of the glass is 16.0±0.7 mm. Glass marbles shouldn't be any out of round or misshapen macroscopically. The largest radius minus the shortest radius is not over 1.0mm.

2. There should not be any big macula, over 5mm chapped surface, or other impurity such as oil stains, alkali powder, rust etc.

3. Its free of stones, surface contamination or excessive air bubbles.

Rate of Qualification: >98%

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