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 >Self-owned brand >Bismuth Series >Bismuth trioxide 
Bismuth trioxide 

Bismuth trioxide 

  • Category:Bismuth Series
  • Weight:0

Details:

Purity: 99.5% ~ 99.9%

Feature: light yellow powder and odourlessinsoluble in acid and water

Packaging: 20-25kgs per sealed plastic bags in cardboard drums

Main Application: Mainly used for chemical industry, production of Bismuth salt, glass staining, voltage dependent resistor and thermistor, lightning arrester, kinescope, fireproofing paper, electronic ceramic power, photoelectric material, high temperature superconducting material and catalyst.