Active Member
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[China]
Address: 978# Riyue Avenue 1st Section, Qingyang Industrial Zone, Chengdu, 610074, China
Contact name:Rayman Lei
Sichuan Chang Yang Composites Company Limited |
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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.
PRODUCT FEATURES:
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℃
CHEMICAL COMPOSITION:
| Item | SiO₂ (%) | B₂O₃ (%) | Fe₂O₃ (%) | Na₂O (%) | Others (%) |
| HCY-GMB20 | 67.5±1.0 | 23.0±1.0 | ≤0.2 | 8.0±0.5 | Residue |
PRODUCT SPECIFICATIONS:
| Product Code | Ball Diameter (mm) | Soften Point (℃) | Melting Point (℃) | Specific Gravity (g/cm³) | Package |
| HCY-GMB20 | 20±0.5 | ≥700 | 1340~1360 | 2.30 | 1000KG/ton-bag 25KG/bag |
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%
