cc色综合久久综合网观看_日韩一级AA大片免费视频_x8x8成年在线视频免费_國產精品視頻觀看_午夜dj影院免费完整高清电影_进出三区巨大碰碰超清_美女黄网站性av_思思九九这里只有国产中文精品_成人av午夜一级毛片_亚洲另类熟女国产

Yttrium oxide

Yttrium oxide

Properties: white powder

Melting point: 2410 ℃

Solution: insoluble in water and base, soluble in acids

Function: iron and steel and nonferrous alloy additives; Applied to fluorescent materials; Various ceramic additives; High temperature protective coating.


在線客服
聯(lián)系方式

熱線電話

二維碼
在線留言