韩日毛片网站,欧美成人三级伦在线观看,伊人毛片,色v伊人,亚洲黄色免费在线观看,免费人成在线观看网站视频,无码a级毛片免费中文字

       Stearic acid is a kind of advanced saturated fatty acid, is white or light yellow grain, flake.
Uses: release agent. Defoaming agent, polishing paste, flotation agent, metal paint, smoothing agentm is also the raw material of zinc stearate, potassium stearate and barium stearate.
      Typical index:

      Packing: plastic woven bag. Net wt 25(±0.2)kg.
      Storage: Kept in cool and dry place. Avoid high temperature, insolation and rain during transportation.