透明な円形は石英ガラスの水晶ガラス シートに穴をあける

Product description: 1. SiO2> 99.99% ,tubing fused quartz 2. Operating Temperature: 1250℃ 3. Excellent visual and chemical performance . 4. without surface coating andinfectant . 5. Health care and environmental protection. 6. Any specification can be made. 7. Quartz glass is acidic materials, except hydro fluoric acid and 300 degrees Celsius thermal phosphoric acid, on any other acids were shown to be inert, is the best anti acid materials. Shengfan Quartz plate characterist