ZKTD only use environment-friend, sustainable and long stable materials to fulfill our customer' s requirement.
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Special doping of quartz glass is tailored to customer various needs, so as to manufacture excellent quartz glass with outstanding optical, electrical and mechanical properties, such as samarium doped glass materials, cerium doped quartz glass materials, etc.
| Type | Bubbles and Inclusions | Optic uniformity | Hydroxyl content | Residual strain | Applications | ||
| The bubble grade is given for every 100 cm3 | |||||||
| DIN ISO 10110 | Striae | PV value | ppm (μg/g) | nm/cm | |||
| ZKTD-FH31 | -- | -- | -- | -- | < 10 | Semiconductor heat shield application, particular wavelength absorbed applications | |
| ZKTD-D32 | 1/2x0.01; no bubbles or inclusions>0.01 mm | Coefficient of thermal expansion in 10-8/°C | Reflecting mirror, application with specific demand as to coefficient of thermal expansion | ||||
| ZKTD-NFZ32 | 1/3x0.02; no bubbles or inclusions>0.03 mm | No striae in functional direction | -- | -- | < 6 | Spacecraft applications | |
| ZKTD-NFZ33 | 1/2x0.01; no bubbles or inclusions>0.01 mm | No striae in functional direction | -- | -- | < 6 | Spacecraft applications | |
| Material Grade | Bubbles and Inclusions | Homogeneity | OH-Content | Residual Strain | Application | |
| The bubble grade is given for every 100 cm3 | ||||||
| DIN ISO 10110 | Striae | PV value | ppm (μg/g) | nm/cm | ||
| ZKTD-FH31 | -- | -- | -- | -- | < 10 | Semiconductor heat shield application, particular wavelength absorbed applications |
| ZKTD-D32 | 1/2x0.01; no bubbles or inclusions>0.01 mm | Coefficient of thermal expansion in 10-8/°C | Reflecting mirror, application with specific demand as to coefficient of thermal expansion | |||
| ZKTD-NFZ32 | 1/3x0.02; no bubbles or inclusions>0.03 mm | No striae in functional direction | -- | -- | < 6 | Spacecraft applications |
| ZKTD-NFZ33 | 1/2x0.01; no bubbles or inclusions>0.01 mm | No striae in functional direction | -- | -- | < 6 | Spacecraft applications |
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