<tfoot id="igdpo"><fieldset id="igdpo"></fieldset></tfoot>

<center id="igdpo"></center>
    无码专区亚洲综合另类,成人午夜污一区二区三区 ,日本一二三区视频在线,亚洲国产精彩中文乱码AV色欲,色悠久久久久久久综合网伊人,老少配老妇老熟女中文普通话,亚洲一区二区黄色,亚洲精品中国国产嫩草影院美女

    河北Iron powder

    • name: 河北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: 亚洲午夜无码AV不卡| 午夜主播福利一区二区| 国产免费一区二区三区最新| 国产亚洲精品久久久久秋| 在线日韩日本国产亚洲| 亚洲精品欧美综合二区| 久久精品中文字幕少妇| 中文字幕国产精品一区二| 欧美成人亚洲综合精品欧美激情| 狠狠色狠狠色综合网| 欧美精品在线免费| 国产女人在线观看| 久久精品日日躁夜夜躁| 久热这里只精品视频99| 男人的天堂av一二区| 人人做人人澡人人人爽| 亚国产欧美在线人成| 樱花AV在线无码| av成人天堂在线观看| 亚洲av岛国片在线观看| 四虎在线中文字幕一区| 极品无码国模国产在线观看| 中文字幕日产人妻久久| 久久精品国产99精品国偷| 热久久99精品这里有精品| 色婷婷综合久久久久中文| 日韩成人无码影院| 亚洲熟妇成人精品一区| 国产精品中文第一字幕| 综合无码一区二区三区| 女人av社区男人的天堂| 日韩欧美亚洲另类在线第十页| 国产精品亚洲成在人线| 久久人人爽人人爽人人片aV东京热| 亚洲AV无码国产精品色午夜软件 | 国产又黄又爽又无遮挡的视频| 国产99久久久精品无码| 亚洲毛片多多影院| 亚洲妇熟xxxx妇色黄| 国产一区二区无码专区| 中文字幕亚洲无线码A|