Cov ntaub ntawv technical ntawm High Borosilicate iav:
1. Tshuaj muaj pes tsawg leeg:
SiO2> 78% B2O3> 10%
2. Lub cev thiab tshuaj lom neeg:
Coefficient ntawm expansion | (3.3 ± 0.1) × 10-6 / ° C |
Qhov ntom | 2.23 ± 0.02 |
Dej tiv taus | Qib 1 |
Acid kuj | Qib 1 |
Alkaline tsis kam | Qib 2 |
Softening point | 820 ± 10 ° C |
Thermal shock kev ua tau zoo | ≥125 |
Ua haujlwm kub siab tshaj plaws | 450 ° C |
Tempered max. ua haujlwm kub | 650 ° C |
3. Main Technical Parameters:
Melting point | 1680 ° C |
Ua kub | 1260 ° C |
softening kub | 830 ° C |
Annealing kub | 560 ° C
|
Pob Paub meej
Zoo Ua Ntej, Kev Nyab Xeeb Kev Nyab Xeeb