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 Chunks and LIBA Fragments 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 Chunks or LIBA Fragments as the basic material for further processing
LIBA Chunks | LIBA Fragments
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 |
| Resistance to alkalis | A2 |
| Resistance to HCl acid | 1. |
PHYSICAL & CHEMICAL PROPERTIES
| Specific weight | ρ | 2 580 + 20 kg/m3 |
| Coefficient of expansion | α | 9.4 ± 0,4 . 10-6 K-1 |
| Light refraction index | 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 temperature (1011 dPa s) | td | 568 ± 10 ºC |
A maximum length of ca 10 cm
Available types of profile:
We supply glassmaking fragments without a dust fraction.
Granulation 3 mm – 70 mm
Weight: 500 kg net in a wooden crate on a EURO pallet
Crate dimensions: 120 x 80 x 70 cm
Explore more photographs on Flickr.
Are you interested in this exceptional material?
For further information or orders, please contact your dealer.
Glass Sales Manager - Pressing Rods; LIBA Optical Rods; LIBA Chunks, LIBA Fragments
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