Search Results for: Non optical glass
spot type photoelectric smoke detector this spot type photoelectric smoke detetor can be used in supper market, civil building, motor car packing area, basement area, power ... kunming gen qian commercial co., ltd. gold member audited supplier yunnan, china iso inquiry basket c white standalone optical
with the photoelectric technology, it is more sensitive to detecting slow smolder fires which general thick, black smoke and may ... hangzhou thrion intelligent technology co., ... diamond member audited supplier zhejiang, china iso , iso , ohsas/ ohsms , hse inquiry basket sprinkler bulb thermal glass...
https://www.made-in-china.com/Security-Protection-Catalog/Fire-Alarm-Smoke-Detector.html
hardness since antiquity. silica is most commonly found in nature as sand or quartz , as well as in the cell walls of diatoms. silica is manufactured in several forms including fused quartz , crystal, fumed silica, colloidal silica, silica gel, and aerogel. silica is used primarily in the production of glass
for windows, drinking glasses, beverage bottles, and many other uses. the majority of optical fibres for telecommunications are also made from silica. it is a primary raw material for many whiteware ceramics such as earthenware , stoneware, porcelain, as well as industrial portland cement . silica is...
https://www.cargohandbook.com/Silica_sand