午夜福利一区二区三区 I 99在线无码精品入口 I 久久久久久中文字幕 I 亚洲精品一 I 91丨porny丨在线中文 I sm调教视频在线观看 I 91精品影视 I 99精品在线免费观看 I 日韩伦理av I 天堂欧美 I 九九综合久久 I 天堂福利视频 I 青娱乐最新视频 I www裸玉足久久久 I av一区三区 I 久久精品亚洲精品国产欧美 I 国产精品 日韩精品 I 91色爱 I 自拍偷拍色综合 I 韩日性视频 I 亚洲精品粉嫩小泬 I 亚洲三区视频在线观看 I 无码aⅴ在线观看 I 插美女白浆 I 日本亚洲欧洲无免费码在线 I 水菜丽加勒比av在线播放 I 人妻无码aⅴ不卡中文字幕 I 男人插女人视频免费

  • 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

Bismuth trioxide

Bismuth trioxide

  • Category：Bismuth Compound
  • Weight：0

Details：

Purity: 99.5% ~ 99.9%

Feature: light yellow powder and odourless, insoluble 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.