Double Glass Solar Water Heater Accessories Solar Hot Water Evacuated Tube Three Layers
Brand Name:Passion/OEM
Certification:CE
Model Number:58x1800
Minimum Order Quantity:1
Delivery Time:5 days
Place of Origin:China
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YUANHUA, HAINING, ZHEJIANG, CHINA
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Product Details
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Product Details
Solar Water Heater Accessories Glass Tube 58x1800 Three Layers Double Glass
PRODUCT INFORMATION
Vacuum tube assimilates the advanced 12 layers of spattering deposition of trivalent element (SDOT) technology to make the tube have high performance of absorptance and low reflection ratio.
It also can stand high temperatures and perform a strong heating abiltity, improving the eoposition layer’s structure through adding rare metal to enhance the effect photosensitive reaction, the absorbing rate of vacuum tube can be up to 0.96. So it still can work even if cloudy days.
It's with tight size tolerance, slinky form and excellent feature. Melting point at 1730 degree,
mainly apply for Thermocouples, samplers and high temperature parts.
This products providing to Europe, America, the all and the one quality accord with international standard.
We could make many kind further quartz products according your demand. It is used in thermocouple and equipment of industry.
Primary Competitive Advantage
1. Manufacturer
2. Small order and OEM order accepted.
3. CE, CCC, ISO9001, ISO14001
4. High quality products & Materials
5. Competitive Price. T/T & L/C payment.
6. Prompt Delivery.
7. Superior and stable quality, Good after-sale service.
Quartz glass tube Chemical elements composition:
| Density | 2.2±0.05 (g/cm³) | 1. Thermal stability: cooling from 1100°C to 20°C for three times,No crack. 2. Heating to 1100°C for one hour, No color change |
| Hardness | 5.5-6.5 (Mohs') | |
| Design Tensile Strength | 4.8X107(N/m²) | |
| Design Compression Strength | >1.1X109 (N/m²) | |
| Coefficient of Thermal Expansion(20°C-300°C) | 5.7X10-7 (cm/cm°C) | |
| Thermal Conductivity (20°C) | 1.4 (W/M.°C) | |
| Specific heat(20°C) | 670 (J/kg.°C) | |
| Electrical Resistivity (350°C) | 7x107(Ω.cm) | |
| Dielectric Constant | 3.75 | |
| Dielectric Strength | 5x107(v/m) | |
| Softening Point | 1680 (°C) | |
| Annealing Point | 1210 (°C) | |
| Strain point | 1120 (°C) | |
| Short-period working temperature | 1300 (°C) | |
| Long-period working temperature | 1100 (°C) |
Chemical Elements Composition (unit: ppm)
| SiO2 | Al | B | Ca | Co | Cu | Fe | K | Li | Mg | Mn | Ni | Ti | Na |
| 99.97% | 20 | 0.2 | 2.0 | 0.5 | 0.3 | 1.0 | 3.5 | 1.0 | 0.5 | 0.5 | 0.5 | 2.0 | 3.5 |
Trade Items:
Terms of payment: T/T or L/C
Terms of trade: CFR, CIF, FOB
Delivery time: Within 15 Days
Packing Sizes:
1880*340*170mm (58*1800mm,10pcs/carton)
Packing material: in export carton (FCL); in export carton plus wooden case outside (LCL)
Loading Quantity by container:
20’GP: 220CTN (2200PCS)
40’GP: 440CTN(4400PCS)
40’HQ: 580CTN(5800PCS)
Double Glass Solar Water Heater Accessories Solar Hot Water Evacuated Tube Three Layers
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