<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: 99久久综合九九亚洲| 亚洲中文字幕人妻诱惑| 在线观看成人av天堂不卡| 亚洲熟妇中文字幕五十中出| 久久天天躁夜夜躁狠狠820175| 中文字幕无码一区二区三四区| 亚洲AV毛片无码成人区httP| gogogo高清在线观看视频中文| 东京热av无码电影一区二区| 免费人成黄页在线观看美国| 日韩精品久久久肉伦网站| 永久在线观看免费视频| 日日碰狠狠添天天爽| 久久精品a毛片看国产成人| 亚洲中文久久久精品无码| 97视频精品全国免费观看| 精品国产免费Av无码久久久| 国产无遮挡又黄又爽免费网站| 成全视频在线观看免费高清动漫 | 亚洲中文字幕精品久久久久久动漫| 无码中文字幕热热久久| 五月婷婷综合缴情六月| 人妻中字视频中文乱码| 一区二区不卡国产精品| 日韩视频精品在线| 国产在线视频www色| 天堂在线精品亚洲综合网| 国产男女猛烈无遮挡免费视频| 国产乱码精品一区二区三| 久久久无码精品亚洲日韩蜜臀浪潮 | 国产精品99区一区二区三| 性饥渴少妇AV无码毛片| 激情久久综合精品久久人妻| 精品国产大片中文字幕| 色av专区无码影音先锋| 二级特黄绝大片免费视频大片| 国产无套白浆一区二区| 日本一区二区更新不卡| 日本一道本高清一区二区| 亚洲欧洲av人一区二区| 国产一区二区a毛片色欲|