亚洲熟妇熟女色色,三级片日本农村,日韩两性aV,东京热DVD视频,高清无码成人电影,日本三级偷拍视频网址

河南Iron powder

  • name: 河南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(diǎn)擊次數(shù):   更新時(shí)間:19/07/28 10:49:07   【打印此頁(yè)】   【關(guān)閉
汉中市| 山阳县| 连云港市| 故城县| 盈江县| 申扎县| 固始县| 商洛市| 镇宁| 博湖县| 集贤县| 贵德县| 万年县| 瓮安县| 桂林市| 资阳市|