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| Customization: | Available |
|---|---|
| Material: | Glass |
| Style: | Modern |
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| Outdoor Quartz Glass Propane patio Heater tube | |||
| No. | Physics Performance | Numerical Value | Unit |
| 1 | Medium coefficient of linear expansion α20/300 acc.To DIN 52328 | 3.3 ± 0.1 | 10-6 K-1 |
| 2 | Transformation Temperature | 525 ± 15 | degree Celsius |
| 3 | Upper annealing temperature | 560 ± 10 | degree Celsius |
| 4 | Softening point | 820 ± 10 | degree Celsius |
| 5 | Working temperature | 1260 ± 20 | degree Celsius |
| 6 | Maximum short-time working temperature | 500 | degree Celsius |
| 7 | 20 degree Celsius Density ρ | 2.23 ± 0.02 | g/cm3 |
| 8 | Modulus of elasticity E | 64 | 103 N/mm2 |
| 9 | Poisson's ratio | 0.20 | 1 |
| 10 | Thermal productivity(20 degree Celsius -100 degree Celsius ) | 1.2 | W/m2K |
| 11 | Temperature for the specific electrical resistance of 108Ω·cm(DIN52326)tk 100 | 250 | degree Celsius |
| 12 | Stress-optical constant(DIN52314)K | 4.0 | 10-6mm2/N |
| Composition | SiO2 | B2O3 | Na2O + K2O | Al2O3 |
| approx.weight % | 81 | 13 | 4 | 2 |
| high borosilicate 3.3 glass tube | |
| Description | Rate |
| Water resistance to ISO720 | 1 |
| Water resistance to European Pharmacopoeia | 1 |
| Water resistance to USP23 | 1 |
| Acid resistance Class(DIN12116) | 1 |
| Alkali resistance Class(ISO695) | 2 |
| Usually packing is carton with wooden pallet; Carton Size: 1270*270*200mm; Around 20kg~30kgs per carton; A 20'ft container can hold about 320cartons/ 16 pallets, around 7~10tons; A 40'ft container can hold about 700cartons/34pallets,around 18tons. MOQ:100kgs Delivery time: within 20 days after receipt of advance. Payment: 30%-50%TT in advance and balance against copy of BL. Transport :By ship or express |




