国产jizz中国jizz免费看,99久久久精品免费观看国产,久久久久亚洲精品男人的天堂,成 人 免费 黄 色 网站无毒,国产在线视频一区二区三区,成人丝袜激情一区二区,国产主播一区二区三区在线观看,强奷乱码中文字幕熟女一,在线亚洲精品国产二区图片欧美,波多野结衣中文字幕久久

    • Operate all kinds of rare earth wire materials,

      Processing nonferrous alloys and rare earth alloy wires and bars

      Implementation standards: customized according to customer requirements Quality system: ISO9001

      Applicable process: evaporation coating, ion sputtering

      Specifications: according to customer requirements

    • Operate all kinds of rare earth wire materials,

      Processing nonferrous alloys and rare earth alloy wires and bars

      Implementation standards: customized according to customer requirements Quality system: ISO9001

      Applicable process: evaporation coating, ion sputtering

      Specifications: according to customer requirements

    • Operate all kinds of rare earth wire materials,

      Processing nonferrous alloys and rare earth alloy wires and bars

      Implementation standards: customized according to customer requirements Quality system: ISO9001

      Applicable process: evaporation coating, ion sputtering

      Applicable process: evaporation coating, ion sputtering

    Erbium oxide

    Erbium oxide

    • Category:Rare Earth products
    • Weight:0

    Details:

    Erbium oxide 

        CAS No.12061-16-4

        Purity: Er2O3/TREO 99%~99.99%

        Relative density:8.64g/cm3

        Properties: pink powder easy to absorb moisture and carbon dioxide from air. It will become hexahedron crystal if be heated to 1300Insoluble In Water.

        Molecular formular:Er2O3

        Molecular weight:382.5

    Packaging: 25kgs per barrel with sealed double-film bags inner


    国产高清乱码又大又圆| 精品国产一区av天美传媒| 麻豆一区二区99久久久久| 无码人妻丰满熟妇区毛片| 亚洲AV无码一区二区三区网站| 色天使色偷偷色噜噜噜AV天堂| 亚洲日韩AV无码不卡一区二区三区| 成人在线观看国产精品| √天堂在线中文| 妺妺窝人体色www在线观看| 亚洲av无码专区亚洲av| 91精品国自产拍老熟女露脸| 欧美熟妇性XXXX交潮喷| 无码区日韩特区永久免费系列| 琪琪777午夜理论片在线观看播放| 日韩精品人成在线播放| 中文字幕精品无码一区二区三区| 漂亮人妻洗澡被公强 日日躁| 少妇性俱乐部纵欲狂欢少妇| 日本精品啪啪一区二区三区| 深田一区二区无码视频在线| 亚洲成av人片在www鸭子| 无码综合天天久久综合网| 日本精品视频网站| 午夜男女爽爽影院免费观看| 国产麻无矿码直接进入| 人与人性恔配视频免费| 无码AV高潮抽搐流白浆| 人妻丰满熟妇无码区免费| 91精品国产调教在线观看不卡| 亚洲婷婷五月综合狠狠爱| 久久国产精品女| 精品无码一区二区三区爱欲| 亚洲av午夜精品无码专区| 日韩乱码人妻无码中文字幕久久| 亚洲国产精品成人久久| 国产精品久久久久9999小说| 欧美日韩一区二区三在线| 欧美熟妇另类久久久久久多毛| 欧美人牲交免费观看| 午夜成人亚洲理伦片在线观看|