Glass Type: | Borosilicate Glass 5.0 |
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Procedures: | Glass Melting, Glass Tube Drawing |
Transport Package: | Plastic Films, Cartons, Pallets |
Specification: | Outside diameter*wall thickness*length |
Trademark: | SNAIL GLASS |
Origin: | China |
Customization: |
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Main Component | Percent |
SiO2 | 73.50% |
B2O3 | 10.60% |
Al2O3 | 6.00% |
CaO | 1.20% |
Na2O | 7.00% |
K2O | 0.60% |
BaO | 0.80% |
Fe2O3 | <400ppm |
No | Physical & Chemical Pherformance | Data |
1 | Coefficient of mean liner expansion(20ºC-300ºC) | (5.0±0.5)*10-6/k-1 |
2 | Transformation temperature | 560±15ºC |
3 | Softening point | 780±10ºC |
4 | Melting point | 1150±20ºC |
5 | Density at 20ºC | 2.30±0.02g/m3 |
6 | Hydrolytic resistance(ISO 720) | USP TYPE I First Grade HGA1 |
7 | Acid resistance(DIN 12116) | Class S1 |
8 | Alkali resistance(ISO 695) | Class A2 |
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