青青草欧美亚洲日本,日韩人妻中文字幕有码,日韩外围三级在线观看,国产av国,亚洲天堂网中字成人区,久操国产在线资源,欧洲亚洲天堂精品好看,伊人a视频,欧美有码一区二区

Higher purity Silicon Nitride

 




Formula for the silicon nitride Si3N4, is an important structural ceramic material.
It is a super-hard material ,lubricity and anti-abrasive.
In addition to hydrofluoric acid, it does not react with other inorganic acids.
And it also resistant to cold shock, even heated to above 1000 ℃ and cooled rapidly,but it will not shatter.
Coating to protect the quartz crucible at a high temperature for the isolation between.quartz crucible and silicon.Liquid silicon can not be reacted with the quartz to ensure the integrity of silicon ingot.

 



 ■Technique Specification



Typical Customer:
American,Europe and Asia and so on.

 

贵溪市| 金乡县| 凤凰县| 岳西县| 西丰县| 静安区| 大理市| 如皋市| 高淳县| 仙居县| 克什克腾旗| 搜索| 岗巴县| 万宁市| 宁化县| 湟源县| 中方县| 新民市| 集贤县| 华阴市| 河源市| 额济纳旗| 合江县| 桃源县| 吉木萨尔县| 瑞金市| 丰顺县| 乡宁县| 佛山市| 荆门市| 海城市| 吉木乃县| 金华市| 安陆市| 枣阳市| 桂东县| 永丰县| 伊通| 会昌县| 芒康县| 都昌县|