Quartz Glass HS
Product description. JGS1 silica plates/sheets. ZS-1 far-UV optical silica glass corresponds to JGS1. High-purity oxyhydrogen fusion produces high OH content (2000ppm) and excellent UV transmission, particularly short-wave UV, exceeding all other glasses. Transmission reaches 90% at 185μm. Synthetic silica has a strong 2730nm absorption peak and no granular structure, making it excellent over 185-2500mμ. Transmission spectrum at 1.0mm thickness. JGS2 silica plates/sheets. ZS-2 UV optical silica corresponds to JGS2. Quartz raw material and oxyhydrogen flames produce glass with tens of ppm metallic impurities, a 2730nm absorption peak, OH content 100-200ppm, striae, and granular structure. It transmits well over 220-2500μm. Silica-sheet properties: special industrial glass made from silicon dioxide, an excellent basic material. 1. Heat resistance: softening point approximately 1730℃; continuous use at 1100℃ and short-term up to 1450℃. 2. Corrosion resistance: almost no reaction with acids except hydrofluoric acid. Acid resistance is 30 times ceramic and 150 times stainless steel; high-temperature stability is described as unmatched by other engineering materials. 3. Thermal stability: extremely low expansion withstands rapid changes; glass heated to around 1100℃ does not crack in room-temperature water. 4. Transmission: good UV-to-IR transmission, visible >93%, UV maximum above 80. 5. Electrical insulation: resistance is ten thousand times ordinary glass, providing excellent insulation and good electrical properties even at room temperature. Chemical composition. Transmission spectrum at 1.0mm thickness. JGS3 silica sheets. HS infrared optical silica corresponds to JGS3. Vacuum electric fusion of quartz produces tens of ppm metal impurities, small bubbles, granular structure, and striae, virtually no OH, and IR transmission above 85%. Application range: 260-3500μm. Transmission spectrum at 1.0mm thickness.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | Quartz Glass JGS1, JGS2 and JGS3 Transmits Far-UV, Visible and Near-Infrared Light. Very Low Thermal Expansion, Good Chemical Stability, Uniform Bubbles and Striae, with Spectral Curves from 200 nm to 2500 nm. |
| Number of Surfaces | 0/0，40/2080/50 |
| Surface Accuracy | 1/10 into，1/4 into2 into |
| Thickness | ±0.01mm±0.02mm |
| Centration Error | 5Arc second1Arc Minute |
| Processing Range | Minimum Thickness Down to 0.2mm |
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