Кварцевая высокотемпературная прозрачная кварцевая трубка
US $5.00-$8.00
Кварцевые стеклянные трубки большого диаметра
- Категория: Quartz Tubes >>>
- Поставщик: ShenZhen,Fancy,Industrial,Company,Limited
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-19-2025 | 0.20 $* | 0.94 $* |
| Aug-19-2025 | 0.8 $* | 0.54 $* |
| Jul-19-2025 | 0.8 $* | 0.60 $* |
| Jun-19-2025 | 0.70 $* | 0.88 $* |
| May-19-2025 | 0.33 $* | 0.78 $* |
| Apr-19-2025 | 0.10 $* | 0.18 $* |
| Mar-19-2025 | 0.25 $* | 0.5 $* |
| Feb-19-2025 | 0.19 $* | 0.18 $* |
| Jan-19-2025 | 0.0 $* | 0.0 $* |
Характеристики
Products Description
Character:
Deformation point:1280°C
Softening point:1780°C
Annealing point:1250°C
Hot working temperature：1750~2050°C
Short-term service temperature：1300°C
Long-term service temperature：1100°C
Thermal conductivity(20°C):1.4W/m.°C
Refractive index:1.4585
Coefficient of thermal expansion:5.5*10-7cm/cm.°C
Refractive index:1.4585
Coefficient of thermal expansion:5.5*10-7cm/cm.°C
Application:
Electric light source, semiconductor, optical communication, military, metallurgical, building materials, chemical, mechanical, electric, environmental protection, etc
Electrical resistivity：7*107Ω.cm
Insulating strength:250~400Kv/cm
Dielectric constant:3.7~3.9
Dielectric absorption coefficient:<4*10-4
dielectric loss coefficient:<1*10-4
Insulating strength:250~400Kv/cm
Dielectric constant:3.7~3.9
Dielectric absorption coefficient:<4*10-4
dielectric loss coefficient:<1*10-4
Impurity content:≤100ppm
Purity: SiO₂≥99.99%
Packing& Delivery
Lead time:
Packing:Wooden case with plastic foam inside, or As customized
Size:As customized
Quantity(pieces) | 1-5 | >5 |
Est. Time(days) | 5 | To be negotiated |
Company Profile
The major categories of our products are:
Indium ingots | Neodymium plate | Pure Ag silver | Chromium plate | Pure Chromium |
Chromium powder | Nickel powder | Nickel Al wire | Niobium plate | Niobium powder |
Niobium pentoxide | Niobium oxide | tungsten plate | molybdenum plate | gallium |
antimony ingots | silicon dioxide | monocrystalline silicon | polycrystalline silicon | vanadium |
Graphite target | titanium dioxide | Aluminium ingots | Spherical aluminum powder | etc. |
FAQ
what services can we provide?
Accepted Delivery Terms: FOB;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T;
Language Spoken:English,Chinese
Accepted Delivery Terms: FOB;
Accepted Payment Currency:USD;
Accepted Payment Type: T/T;
Language Spoken:English,Chinese
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