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8 Year Exporter Abstract Glass Flower Vase - High borosilicate 2mm wall thickness stripe glass tube – Hongya Detail:
Technical Data of the High Borosilicate Glass:
1. Chemical composition:
SiO2>78% B2O3>10%
2. Physical and Chemical Properties:
Coefficient of expansion |
(3.3±0.1)×10-6/°C |
Density |
2.23±0.02 |
Water resistant |
Grade 1 |
Acid resistance |
Grade 1 |
Alkaline resistance |
Grade 2 |
Softening point |
820±10°C |
Thermal shock performance |
≥125 |
Maximum working temperature |
450°C |
Tempered max. working temperature |
650°C |
3. Main Technical Parameters:
Melting point |
1680°C |
Forming temperature |
1260°C |
Softening temperature |
830°C |
Annealing temperature |
560°C
|




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We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for 8 Year Exporter Abstract Glass Flower Vase - High borosilicate 2mm wall thickness stripe glass tube – Hongya , The product will supply to all over the world, such as: Portugal, Bangladesh, Albania, Wide selection and fast delivery to suit your needs! Our philosophy: Good quality, great service, keep improving. We've been looking forward that more and more oversea friends join in our family for further development near the future!