Clear high borosilicate COE 3.3 straight glass blowing tubes
- Category: >>>
- Supplier: Hengshui Lingyan International Trade Co. Ltd.
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Product Overview
Description
Product Description
Specification
Coefficient of mean linear thermal expansion α (20℃; 300℃) acc. to ISO 7991 | 4.9×10-6K-1Trans |
Transformation temperature Tg | 515 ℃ |
Glass temperature at annealing point logη=13 | 535 ℃ |
Glass temperature at soft point logη=7.6 | 783 ℃ |
Glass temperature at working point logη=4 | 1020 ℃ |
Density ρ at 25℃ | 2.32 g/cm3 |
Packing & Delivery
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A: Yes, we extend a 100% satisfaction guarantee on all items. Please feel free to feedback immediately if you are not pleased with our quality or service.
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A: Sure,welcome to you visit our factory at any time.
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