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          Corrosion Inhibitor for Hydrochloric Acid Cleaning

          Corrosion Inhibitor for Hydrochloric Acid Cleaning

          1、Properties and usage

          Acid cleaning agent is belonged to imidazoline . When using acid to clean metal, adding acid corrosion inhibitor, can inhibit the acid corrosion of steel.Corrosion InhibitorApplications for the cleaning mediums which are hydrochloric acid, sulfuric acid, amino acid, the cleaning object is black metal.Pickling is applicable to various types of high ,mid-high and low voltage boilers and large equipment, pipe pickling.Acid corrosion ability (the dosage is 1-3 ‰) ,the corrosion speed≤ 1g/m2 • h.

          2、Specification

          items index
          Appearance

          Dark brown liquid

          pH(1%water solution)

          2.5 — 4.5

          Density (20℃)g/cm3 1.000-1.100

           

          3、Using method

          Add 1-3 kg ofacid corrosion inhibitorinto per ton of 5-10% hydrochloric acid , even mixing ,it can not be directly added into water,Open loop circulating pump to clean,in the cleaning process, add acid pickling as the proportion.

          4、Package and Storage

          Normally in 25kgor 200kg plastic drum, Store in cool place indoors.Storage for ten months.

          Appendix: inhibition effects under different conditions

           

           

          Acid environment

          Dosage

          Corrosion speed rate (10 -4) g / (m 2 • h)                                                                                        

          Inhibition rate (%)

          Amino 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
          99.3

          Tel: +86-632-3536598 3536777 3537779
          Fax: +86-632-3536766
          Contact: Kan Xiaodong 13806371780
          Wei Yongtao 13863201612
          Yu Dayang 15063257666
          E-mail: info@dongtaochem.com dayang@dongtaochem.com

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