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Quartz diffusion boat, Wafer Carrier/ Wafer boat, Pickling bracket, high purity sillicon
Quartz diffusion boat, Wafer Carrier/ Wafer boat, Pickling bracket, high purity sillicon
Regular price
$289.00
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$289.00
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| Quartz Glass Performance Parameters | |
| density: | 2.21g/cm3 |
| Degree of Hardness Moh's Scale | 5.5~7.0 |
| Surface finish: | 60/40 |
| purity: | 99.95% |
| Long-term use temperature: | 1100 ℃ |
| Poisson's ratio: | 0.18 |
| Thermal expansion coefficient | （@20~320℃）(5.5)×10^(-7)cm/cm.℃ |
| Compression Strength | >1.1 X 10^9 Pa |
| Tensile Strength | 4.8 X 10^ Pa |
| Flexuosity | 5‰ |
| Melting point: | 1683 ℃ |
| Softening Point: | 1450℃ |
| Annealing point: | 1213℃ |
| Resistivity lohm cm@250℃ | 8.0×107ohm cm |
| Dielectric Constant (IMHZ) | 4.76 |
| Dielectric strength | 5×107V/M |
| Dielectric Loss Coefficient | 38×104 |
| Shrinkage | 67.56 |
| Shear wave velocity | 3.75×103m/S |
| longitudinal wave velocity | 5.9×103m/S |
| Sound attenuation rate | ≤ 11db/m MHZ |
| maximum operating temperature | 1000℃≤9000h |
| 1100℃≤3000h | |
| Acid resistance: | ISO719/DIN12116 min S3 |
| Alkali resistance: | ISO695/DIN52322 min A2 |
| Length and width error: | ±0.5mm |
| Thickness error: | ±0..2mm |
