欧美人与动人物姣配xxxx_亚洲 另类 熟女 字幕_麻豆 美女 丝袜 人妻 中文_亚洲国产精品久久久久婷蜜芽_国产av旡码专区亚洲av

  • 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

Home >Minor metals >Bismuth Series > High-purity bismuth metal
 High-purity bismuth metal

High-purity bismuth metal

  • Category:Bismuth Series
  • Weight:0

Details:

We have high-purity bismuth metal 99.999~99.9999%

    Bi-5N,  impurity <10ppm

    Bi-6N,  impurity <1ppm

Formsingot, powder, needle, granule

Atomic weight:208.98

Electronegativity:1.9

Melting point:271.4℃

Boiling point:1564℃

Density:9.808g/cm3

Packaging: sealed vacuum polythene bag with dacron film inner

Main Application: mainly used for semiconductor compound, electronic refrigeration component, thermoelectric conversion component and liquid cooling equipment in atomic reactor 



伊人久在线观看视频| 97亚洲色欲色欲综合网 | 久久国产一区二区三区| 欧美黑人又大又粗xxxxx| 小sao货水好多真紧h无码视频| 亚洲综合另类小说色区| 国产精品无码一本二本三本色| 两个女人互添下身视频在线观看 | 婷婷色怡春院| 99久久精品国产一区二区| 日韩在线不卡免费视频一区| 亚洲av中文有码在线| 超碰色偷偷男人的天堂| 一级少妇人妻免费视频| 国产在线精品一区二区三区| 国产福利精品在线播放| 成人区人妻精品一区二区不卡| 色婷婷久久综合中文久久蜜桃av| 影音先锋男人av橹橹色| 国产精品v欧美精品∨日韩| 亚洲精品喷潮一区二区三区| 国产精品久久久久永久免费看| 午夜嘿嘿嘿在线观看| 波多野成人无码精品电影| 欧美精品久久天天躁| 艳妇荡女欲乱双飞两中年熟妇 | 蜜桃视频一区在线观看| 18禁止午夜福利体验区| 国产毛片三区二区一区| 亚洲精品久久久久久久久av无码| 在线免费播放av观看| 欧美做爰性生交视频| 在线观看自拍视频国产| 国产精品乱轮在线观看| 4444亚洲人成无码网在线观看| 国产乱子伦60女人的皮视频| 久久久久久久久久久久中文字幕| 99久久精品国产一区二区| 久久精品国产中国久久| 色狠狠久久av五月综合| 99久久九九视频免费|