<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

    山東Iron powder

    • name: 山東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: 婷婷激情六月| 国产午夜福利视频在线| 777午夜福利理论电影网| AV制服丝袜无码一区二区| 欧美精品在线观看视频| 日韩人妻中文字幕一区二区三区| 亚洲性色av日韩在线观看| 亚洲精品2区在线观看| 亚洲国产视频精品一区二区| 无遮挡粉嫩小泬| 国产一区二区精品丝袜| 国产av成人精品播放| 亚洲国产成人精品女人久久久| 四虎国产精品免费久久麻豆| 色综合色综合久久综合频道| 99热视热频这里只有精品| 国产高清天干天天视频| 亚洲精品久久国产高清| 日韩中文字幕在线一区二区三区| 亚洲欧美色中文字幕| 日本人妻少妇精品视频专区| 亚洲午夜福利精品久久| 日本欧美一区二区三区在线播放| 国产成人免费ā片在线观看老同学| 国产精品3p视频| 国产亚洲精品不卡在线| 周口市| 亚洲A∨无码国产精品久久网| 91极品尤物在线观看播放| 尤物视频在线免费观看| 国产精品无码一区二区三级| 久久久午夜毛片免费| 午夜麻豆影片在线观看| 男人桶女人18禁止网站| 丰满人妻一区二区乱码中文电影网| 麻豆久久婷婷综合五月国产| 亚洲人成绝费网站色www| 久热香蕉av在线爽青青| 日韩视频无码免费一区=区三区| 亚洲七久久之综合七久久| 国产女主播强伦视频网站|