直拍偷拍 欧美_看91黄色的色色的视频_成人中出在线17c_亚洲 AV 色情无码

直拍偷拍 欧美_看91黄色的色色的视频_成人中出在线17c_亚洲 AV 色情无码

直拍偷拍 欧美_看91黄色的色色的视频_成人中出在线17c_亚洲 AV 色情无码_A黄色片_亚洲婷婷AV_超碰在线免费观看三级片

  • <big id="yd0sj"><i id="yd0sj"></i></big>
    <sub id="yd0sj"></sub>

    • Hotline:+86-15063219751 Email:Jacky@sdzmhg.com

      PRODUCTS

       
      Corrosion Inhibitor for Hydrochloric Acidic Cleaning

      Properties and Usage:
      This product is a kind of imidazoline corrosion inhibitor, it can effectively inhibit steel corrosion. The precondition for use of this product is that the cleaning agent is hydrochloric acid, sulfuric acid and sulfaminic acid, and the cleaning object is black metal. This product is suitable for acidic cleaning of all types of high, medium and low pressure boiler, large scale of equipment and pipeline. When the dosage is 1-3‰, the corrosion ratio will be lower than 1g/m2•h.
      Specification:

      Items

      Index

      Appearance

      Dark brown liquid

      Solid content,%

      40.0 min

      Usage:
      For 5-10% hydrochloric acid solution, add 1-3kg of this product per ton and mix well. This product cannot be added into water directly. During the process of acidic cleaning, power on circulating pump and add this product accordingly.
      Package and Storage:
      200L plastic drum,IBC(1000L),customers’ requirement. Storage for ten months in shady room and dry place
      The corrosion inhibition effects in different condition


      Acidic cleaning

      Dosage

      Corrosion ratio(10-4)G/(m2•h)

      Corrosion inhibition ratio (%)

      Sulfaminic acid

      0.1%

      4.8654

      95.95

      0.2%

      2.0393

      98.30

      0.3%

      1.3001

      98.92

      0.4%

      1.3011

      98.92

      Sulfuric acid

      0.1%

      47.4985

      86.52

      0.2%

      6.9867

      98.02

      0.3%

      4.9807

      98.58

      0.4%

      4.9775

      98.59

      Hydrochloric acid

      0.1%

      1.2773

      97.70

      0.2%

      0.7349

      98.68

      0.3%

      0.3957

      99.29

      0.4%

      0.3887

      99.30






      PRODUCTS
      CONTACT US

      Shandong Zhongmu Chemical Technology Co.,Ltd.
      Email:Jacky@sdzmhg.com
      Phone:+86-15063219751
      Wechat NO.:8615063219751
      Skype:live:c4766ed242012e57

      WECHAT
       
      Copyright@2020 : Shandong Zhongmu Chemical Technology CO.,ltd.    
      直拍偷拍 欧美_看91黄色的色色的视频_成人中出在线17c_亚洲 AV 色情无码
    • <big id="yd0sj"><i id="yd0sj"></i></big>
      <sub id="yd0sj"></sub>

      • 免费A级高清视频| 精品a在线| av加勒比在线| 少妇性爱在线播放| 黄色成人免费毛片| 97視頻| 91AV福利| 99福利导航| 亚洲天堂电影AV| 大香蕉AV网站| 人人操人人看AV| 91黄色A片区| 色情爱爱| 三级AV在线免费观看| 91在线性爱视频| 超碰AV在线免费| 性爱无码AV网| 一区二区三区日本| 啪啪啪免费网站| 好看的AV片| 黄色三级视频在线观看| A片网站在线视频| 97人妻资源站| 亚洲黄色电影| AA黄色片网站| 日韩aa| 欧美三级A片v| 香蕉av一区二区| 成人三级A片| 日韩AV电影超碰| 欧美成人色导航| 超碰成人动漫| 国产视频a| 日本AⅤ高清视频| 无码91av| 日韩一级黄色片。| av大力操| 成人高清无码| 亚洲日韩AV网| 肏屄日本视频一区二区| 天堂久久蜜桃|