3.3borosilicate glass tube
Product Details:
| color | white |
|---|---|
| Place of Origin | Beijing, China (Mainland) |
Payment & Shipping Terms:
| Minimum Order Quantity: | 5 Ton |
|---|---|
| Payment Terms: | L/C,T/T |
Detailed Product Description
high borosilicate glass tube:
size:3mm-315mm
Main 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°C
3) Working point: 1,260±20°C
4) Softening point: 820±10°C
5) Density at 20°C: 2.23g/cm
6) Hydrolytic resistance at 98°C: ISO719-HGB1
7) Hydrolytic resistance at 121°C: ISO720-HGA1
3.3borosilicate glass tube
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Company Info
Beijing Kaixingda Industry Technology Development Co., Ltd.
[China (Mainland)]
[Verified Member]
Province/State: Beijing
Country/Region : China (Mainland)
Business Type:Manufacturer, Trading Company, Agent
Online Postings: Products