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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Aug-17-2025 | 4.24 $* | 4.52 $* |
Jul-17-2025 | 3.33 $* | 3.95 $* |
Jun-17-2025 | 4.17 $* | 4.74 $* |
May-17-2025 | 4.68 $* | 4.49 $* |
Apr-17-2025 | 3.60 $* | 3.4 $* |
Mar-17-2025 | 4.6 $* | 4.68 $* |
Feb-17-2025 | 4.51 $* | 4.59 $* |
Jan-17-2025 | 4.25 $* | 4.20 $* |
Material | quartz | Visible light transmittance | above 93% |
SiO2 | 99.99% | UV spectral region transmittance | 80% |
Density | 2.2 g/cm3 | Resistance value | 10000 times than ordinary glass |
Degree of hardness moh' scale | 6.6 Pa | Annealing point | 1180°C |
Melting point | 1730°C | Port | Lianyungang/qingdao/shanghai |
Working temperature | 1250°C | MOQ | 1Piece |
Max temperature can reach in a short time | Softening point1450°C | Softening point | 1630°C |
Acid tolerance | 30 times than Ceramics,150 times than stainless steel | Strain point | 1100°C |
Density | 2.2x103kg/m2 |
Hardness | 570KHN100 |
Tensile strength | 4.8x107Pa(N/M2) |
Compression strength | >1.1x109Pa cm/cm℃ |
Coefficient of thermal expansion(20℃-300℃) | 5.5x10-7cm/cm℃ |
Thermal conductivity(20℃) | 1.4W/m℃ |
Specific heat(20℃) | 660J/kg℃ |
Softening point | 1730℃ |
Annealing point | 1200℃ |
Данные ресурс не является интернет-магазином, а лишь содержит ссылки на международную торговую площадку Alibaba.com