<samp id="0kawq"><tbody id="0kawq"></tbody></samp>
  • <ul id="0kawq"></ul>
    国产日本一区二区三区久久,国产精品一区2区三区,玩弄放荡人妻少妇系列视频,午夜精品福利亚洲国产 ,日韩精品一区二区三区四,国产精品天天看天天狠,欧美三级视频,久久精品国产精品一区二区

    江蘇Iron powder

    • name: 江蘇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(shù):   更新時間:19/07/28 10:49:07   【打印此頁】   【關閉
    主站蜘蛛池模板: 91久久国产精品视频| 色窝窝无码一区二区三区2022| 在线你懂| 青青草原亚洲| 美女裸体18禁免费网站| 国产白浆美女在线观看| 精品国产一区二区三区香蕉| 久久久国产精品ⅤA麻豆百度| 免费无码又爽又刺激高潮的视频免费 | 大香蕉久久精品一区二区字幕| 国产精品久久自在自2021| 欧美激情中文字幕在线一区二区 | 国产美女黑丝嫩草在线| 大洼县| 尤物AV无码色AV无码麻豆| 性饥渴的少妇av无码影片| 日日噜噜噜噜夜夜爽亚洲精品| 国产人妖av一区二区在线观看 | 婷婷精品国产亚洲av| 欧美三级视频| 成在线人永久免费视频播放| 国产精品va在线观看一| 国产乱人伦偷精品视频| 国产精品久久久久久影视| 久久精品亚洲成在人线av麻豆| 日本熟妇hd8ex视频| 视频一区二区三区中文字幕| 国产精品欧美成人片| 日韩高清在线中文字带字幕| 久久精品这里热有精品| 孝义市| 好爽毛片一区二区三区四| 日本孕妇高潮孕交视频| 亚洲天堂无码AV一二三四区| 亚洲女同成av人片在线观看| 九九热免费在线视频| 无套内射视频囯产| 亚洲一区二区观看网站| 久久精品中文字幕极品| 久久婷婷五月综合色国产| 亚洲韩欧美第25集完整版|