<nobr id="3ttst"><source id="3ttst"></source></nobr>
<li id="3ttst"></li>
    1. <style id="3ttst"><code id="3ttst"></code></style>

      <table id="3ttst"></table>
      国产欧美另类第一页,日韩人妻少妇一区二区三区 ,顶级欧美色妇xxxxx,性色AV无码免费一区二区三区,亚洲欧美一区二区三区在线,亚洲人成伊人成综合网无码,亚洲国产精品久久久久久,成av人片一区二区久久

      遼寧Iron powder

      • name: 遼寧Iron powder
      • Classification: Iron powder
      • Corporate name: Dada Alloy Co., Ltd
      • Time: 19/07/28
      • Click count:  
      Product details

      Iron dust is a collection of iron particles with a size less than 1mm. Color: Black. It is the main raw material for powder metallurgy. According to particle size, it is commonly divided into five levels: coarse powder, medium powder, fine powder, ultrafine powder, and ultrafine powder. Particle size ranges from 150 to 500 μ The iron powder composed of particles within the range of m is coarse powder, with a particle size ranging from 44 to 150 μ M is a medium powder, 10-44 μ M is fine powder, 0.5-10 μ M is fine powder, less than 0.5 μ M is ultrafine powder.

      Due to its good activity and easy moisture absorption and oxidation, reduced iron powder is often used in food desoxidant . Common specification parameters:

      Fe 96% min; Harmful elements meet food grade, with a particle size of 80 or 100 mesh



      點擊次數:   更新時間:19/07/28 10:49:07   【打印此頁】   【關閉
      主站蜘蛛池模板: 中文字幕无线码一区| 欧美一区二区三区红桃小说| 亚洲精品午夜久久久伊人| 乱公和我做爽死我视频| 精品国产性色av网站| 亚洲国产成人字幕久久| 亚洲人成人网站18禁| 高清国产精品人妻一区二区| 国产亚洲欧美另类第一页| 成人午夜精品无码区久久| 人妻丰满熟妇αv无码| 亚洲AV无码久久天堂| 国产乱子伦精品免费视频| 美女性爽视频国产免费| 精品久久黑人一区二区| 免费一级做a爰片性色毛片| 国产精品视频午夜福利| 好男人在线视频免费观看| 久久亚洲国产品一区二区| 窝窝午夜色视频国产精品破| 久久国内精品自在自线400部| 少妇人妻偷人精品视频| 在线视频一区二区三区在线观看| 日本中文字幕一区二区在线观看| 成年在线观看免费人视频 | 久久久久国产精品麻豆ar影院| 亚洲AV无码无线在线观看| 她也色tayese在线视频| 18女下面流水不遮图免费图| 怡红院精品久久久久久久高清| 日韩精品中文字幕无码一区| 中文字幕中文字幕在线中一区| 国产精品免费中文字幕| 国产精品内射久久久久欢欢 | gogogo免费观看国语| 成人va亚洲va欧美天堂| 熟妇人妻无码中文字幕老熟妇| 欧美黑人巨大精品videos| 国产在线精品一区二区在线看| 成人无码区免费A∨| 久久精品夜夜夜夜夜久久|