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borosilicatum vitreum tubo vitreo variae figurae
Data technica Summi Borosilicate Vitri:
1. compositio chemica:
SiO2>78% B2O3>10%
2. Physica et Chemical Proprietates:
| Coefficiens expansion | (3.3±0.1)×10-6/°C |
| Density | 2.23±0.02 |
| Repugnant aqua | Gradus 1 |
| Acidum resistentia | Gradus 1 |
| Alkaline resistentia | Gradus 2 |
| molliens punctum | 820±10°C |
| Scelerisque inpulsa perficientur | ≥125 |
| Maximum opus temperatus | 450°C |
| Temperavit max. opus temperatus | DCL°C |
3. Main Technical Parametri:
| Liquescens punctum | 1680°C |
| Formans temperatus | 1260°C |
| mollitio temperatus | 830°C |
| Anneaning temperatus | 560°C
|
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