| Product Name | Borosilicate glass hexagonal base for volumetric measuring cylinder Borosilicate glass round base for volumetric measuring cylinder |
| Glass Material | Borosilicate glass |
| Feature | High heat resistance |
| Color | Clear colorless, colored |
| Processing | Moulded, pressed |
| Shape | Hexagonal, round |
| Size | 5ml, 10ml, 25ml, 50ml, 100ml, 250ml, 500ml, 1000ml, 2000ml Custom sizes can be produced |
| Packing | carton, pallet, wooden crate |
Technical Data
Physical Data:
| 1 | Coefficient of mean linear thermal expansion (20ºC~310ºC) | 3.3 | 10-6K-1 |
| 2 | Density | 2.23 | g/cm3 |
| 3 | Transformation temperature | 525 | °C |
| 4 | Softening Point | 820 | °C |
| 5 | Working Point | 1250 | °C |
Chemical Data:
| 1 | Hydrolytic resistance (ISO 719) | ISO 719 | HGB 1 |
| 2 | Acid resistance | DIN 12116 | S 1 |
| 3 | Alkali resistance | ISO 695 | A 2 |










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