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| Product Name: |
Borosilicate glass tube
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| Supply Ability: |
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| Related proudcts |
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| Specifications |
specifications |
| Price Term: |
FOB |
| Port of loading: |
tianjin |
| Minimum Order |
5tons |
| Unit Price: |
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high borosilicate glass tube:
size:3-315
Main composition:
1) SiO2: 80¡À0.5%
2) B2O3: 13¡À0.2%
3) Al2O3: 2.4¡À0.2%
4) Na2O(+K2O): 4.3¡À0.2%
Chemical properties:
1) Coefficient of mean linear thermal expansion (20℃/300℃):
3.3¡À0.1 (10-6K-1)
2) Transformation temperature: 525¡À15℃
3) Working point: 1,260¡À20℃
4) Softening point: 820¡À10℃
5) Density at 20℃: 2.23g/cm
6) Hydrolytic resistance at 98℃: ISO719-HGB1
7) Hydrolytic resistance at 121℃: ISO720-HGA1
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| Company: |
Beijing Kaixingda Industry Technology Development Co., Ltd.
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| Contact: |
Mr. Sun Kevin |
| Address: |
No.15 Majiapu ,FengTai District, Beijing, China |
| Postcode: |
100068 |
| Tel: |
86-10- 67562712 |
| Fax: |
86-10-67562693 |
| E-mail: |
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