Premium glass for glass studios and schools
We present an exceptional material that is suitable for glass blowing, pressing, fusing and other glass working techniques
LIBA Glass Chunks are made from premium LIBA 2000+ optical glass rods produced under the PRECIOSA Traditional Czech Glass™ brand
The consistent properties of LIBA 2000+ glass in the form of cut pieces will not only be appreciated by glass studios, but also by schools, for example, as it can be used as a base glass material for further processing.
The physical and chemical parameters are compatible with the LIBA Colors 96 range of coloured rods. You can create an infinite number of colour variants for use in your artistic creations by combining these materials.
Learn more about the LIBA 2000+ optical rods
Glass studios and schools will appreciate LIBA Glass Chunks as the basic material for further processing
INFORMATIVE COMPOSITION IN %
| SiO2 | 68 | CaO | 6 |
| Na2O | 11 | BaO | 4 |
| K2O | 6 | ZnO | 3 |
| Al2O3 | 0,6 | B2O3 | 0,1 |
GLASS QUALITY
| Hydrolytic class at 98ºC | HGB 3 |
| Alkaline class according to ČSN ISO 695 | A2 |
| Acidic class according to DIN 12116 | 1. |
PHYSICAL & CHEMICAL CHARACTERISTICS
| Specific gravity | ρ | 2 580 + 20 kg/m3 |
| Coefficient of expansion | α | 9.4 ± 0,4 . 10-6 K-1 |
| Index of refraction | nD | 1.5200 + 0,0010 |
| Softening point (107.65 dPa s) | tL | 686 ± 10 ºC |
| Transformation point (1013.3 dPa s) | tg | 504 ± 10 ºC |
| Deformation point (1011 dPa s) | td | 568 ± 10 ºC |
Product is available in the following profiles
The maximum length is ca 10 cm
Weight: 500 kg net in a wooden crate on a EURO pallet
Crate dimensions: 120 x 80 x 70 cm
