Borosilicate Glass Tube and Rod 3.3
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Product Details
| Customization: | Available |
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| Certification: | ISO |
| Application: | Glass |
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Basic Info.
- Model NO.
- COE3.3
- Type
- Borosilicate
- Transport Package
- Cartons
- Specification
- O. D 4mm-88mm
- Trademark
- SNAIL GLASS
- Origin
- China
- HS Code
- 7002320000
- Production Capacity
- 5000 Tons/Year
Product Description
Borosilicate glass 3.3
Application: for manufacturing test tube, laboratory glassware, etc
Package: cartons or pallets
Application: for manufacturing test tube, laboratory glassware, etc
Package: cartons or pallets
| No. | Physical Performance | Numberical Value | Unit |
| 1 | Coefficient of Mean Linear Thermal Expansion(20ºC-300ºC) | 3.3±0.1 | 10-6/K |
| 2 | Transformation Temperature | 525±15 | ºC |
| 3 | Softening Point | 820±10 | ºC |
| 4 | Working Point | 1260±20 | ºC |
| 5 | Density at 20ºC | 2.23±0.02 | g/cm3 |
| 6 | Mean Thermal Conductivity (20ºC-100ºC) | 1.2 | w/m2k |
| 7 | Refractive Index | 0.92 |
| Chemical Data | |
| Hydrolytic Resistance at 98ºC | ISO719-HGB 1 |
| Hydrolytic Resistance at 121ºC | ISO720-HGA 1 |
| Acid Resistance Class | ISO1776-First Class |
| Chemical Composition | |
| SiO2 | 81% |
| B2O3 | 13% |
| Na2O+K2O | 4% |
| Al2O3 | 2% |
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