亚洲女同ⅹxx女同tvI大荫蒂BB荫蒂A片I美女视频黄免费网站I懂色AV无码中字幕一区I日日骚网站Ifree性黑人娇小videosI国产亚洲精品久久I99在线免费视频I国产精品久久久久久久久久久久冷I精品熟女I美女18禁久久久I人人爽人人爽人人爽I欧美xxxx83dI欧美sm视频I一区二区三区网站I人人搞人人干I白峰美羽 的搜索结果 - 91nI91视频一区二区三区

  • 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