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


    久久国产成人精品| 国产精品igao视频网免费播放| 日本一区视频在线播放| 国产又黄又湿又刺激网站| 欧美高清精品一区二区| 亚洲精品国产成人| 国产乱子轮xxx农村| 伊人色综合久久天天五月婷| 国产中老年妇女精品| 中文字幕一区在线观看视频| 国产av激情无码久久| 宝贝腿开大点我添添你视频男男 | 欧美日本精品一区二区三区| 黑人巨大精品欧美一区二区| 国产又滑又嫩又白| 少妇bbw搡bbbb搡bbbb| 日本无遮挡真人祼交视频| 欧日韩无套内射变态| 国产老肥熟xxxx| 三级全黄的视频在线观看| 91嫩草国产线免费观看91| 午夜视频在线观看一区| 福利视频午夜| 99无码熟妇丰满人妻啪啪| 九色国内自拍视频| 中文字幕日产无码| 日本天码AⅤ片在线电影网站| 全免费A级毛片免费看网站| av片在线观看| 樱花草在线社区www韩国| 国产精品污www在线观看| 无码成人精品区在线观看| 2022国产成人精品视频人| 亚洲av综合永久无码精品天堂| 白嫩少妇喷水正在播放| 妺妺窝人体色www聚色窝| 精品国产系列在线观看| 久久亚洲精品无码日韩按摩| 日韩在线视频中文字幕| 无码人妻精品中文字幕免费 | 人人超碰人人爱超碰国产|