Features:
1) Available colors: dark blue, light blue, amber, light yellow, green, pink, purple, red and opaque black
2) Regularly stocked rod size (diameter): 4--30mm
3) Customized sizes could be made
4) Regularly stocked rod diameter: 4mm - 35mmMain composition:1) SiO2: 80±0.5%2) B2O3: 13±0.2%3) Al2O3: 2.4±0.2%4) Na2O(+K2O): 4.3±0.2%Chemical properties:1) Coefficient of mean linear thermal expansion (20°C/300°C): 3.3±0.1 (10-6K-1)2) Transformation temperature: 525±15°C3) Working point: 1,260±20°C4) Softening point: 820±10°C5) Density at 20°C: 2.23g/cm²6) Hydrolytic resistance at 98°C: ISO719-HGB17) Hydrolytic resistance at 121°C: ISO720-HGA18) Acid resistance class: ISO1776-1 9) Alkali resistance class: ISO695-A2
PackingExport cartons on fumigated wooden pallet
1. Providing technical consultation.
2. Samples is available.
3. Special packaging according to request.
4. Providing related qualification documents.
5. Solving the quality matter on production line, providing technical inspection.
6. Solving customer's complaints in time and making advancement.
Audited Supplier 
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