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red borosilicate glass tube

For Price Order(): Negotiable

Category:
Glassware/Pharmaceutical Glassware
Price:
Negotiate
Sample:
No
Trade Terms:
None
Payment Terms:
None
Package:
None
Post Date:
2012/02/01

Product Details

Technological index: 1) Main composition: a) SiO2: 80 ±0.5% b) B2O3: 13 ±0.2% c) Al2O3: 2.4 ±0.2% d) Na2O (+K2O): 4.3 ±0.2% 2) Chemical properties: a) Coefficient of mean linear thermal expansion (20/300 °C): 3.3±0.1 (10-6K-1) b) Transformation temperature: 525±15°C c) Working point: 1,260 ±20°C d) Softening point: 820 ±10°C e) Density at 20°C: 2.23g/cm² f) Hydrolytic resistance at 98°C: ISO719-HGB1 g) Hydrolytic resistance at 121°C: ISO720-HGA1 h) Acid resistance class: ISO1776-1 i) Alkali resistance class: ISO695-A2