Телескопическое зеркало заготовки боросиликатное стекло Индивидуальный размер лист цена
- Категория: Линзы >>>
- Поставщик: Qingdao,Vatti,Glass,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-15-2025 | 0.71 $* | 0.43 $* |
| Aug-15-2025 | 0.39 $* | 0.69 $* |
| Jul-15-2025 | 0.75 $* | 0.47 $* |
| Jun-15-2025 | 0.22 $* | 0.11 $* |
| May-15-2025 | 0.68 $* | 0.4 $* |
| Apr-15-2025 | 0.2 $* | 0.58 $* |
| Mar-15-2025 | 0.28 $* | 0.63 $* |
| Feb-15-2025 | 0.62 $* | 0.3 $* |
| Jan-15-2025 | 0.60 $* | 0.50 $* |
Характеристики
Product Description
Borosilicate glass 3.3 is one of transparent colorless glass, through wavelength is between 300 nm to 2500 nm, transmissivity ismore than 90%. Coefficient of thermal expansion is 3.3. It can acid proof and alkali , the high temperature resistant is about450°C. If course handling , the high temperature resistant can reach 550°C or so. Apply to lighting fixture , chemical industry ,electron, high temperature equipment and so on.
Product Name | borosilicate glass | ||||||
Dimensions | Customer size | ||||||
Available thickness | 1-50mm | ||||||
Density (g/cm3) (at 25°C) | 2.23±0.02 | ||||||
Co-efficient of expansion (α) (20-300°C) | 3.3±0.1×10-6 | ||||||
Softening point (°C) | 820±10 | ||||||
Identical temperature difference (K) | 100 300(Strengthening type) | ||||||
Thermal shock resistance(K) | ≥125 | ||||||
Maximum working temperature(°C) | ≥450 | ||||||
Refractive (nd) | 1.47384 | ||||||
Light transmission | 92%(thickness≤4mm) 91%(thickness≥5mm) | ||||||
Processing | pre-cut formats, edge processing, drilling, coating, semi-tempering, printing, etc. | ||||||
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Company Profile
Packing & Shipping
Packing
1. Glass film processing;External wooden packaging, Glass are to be paper or expandable polyethylene pearl Cotton (EPE) packed in
strong seaworthy wooden crates.
2. Wooden crates worthy for ocean and land carriage.
strong seaworthy wooden crates.
2. Wooden crates worthy for ocean and land carriage.
Shipping
1. 30% deposit and 70% before shipping, FOB Qingdao Port.
2. Sample Order and small order will ship by DHL, TNT, FEDEX, EMS and UPS. It will take 7-10 working days since payment arrived.
2. Sample Order and small order will ship by DHL, TNT, FEDEX, EMS and UPS. It will take 7-10 working days since payment arrived.
Certifications
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