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Current Position: Corrosion Inhibitor for Hydrochloric Acidic Cleaning

 

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 Umber transparent liquid
Density (20鈩) g/cm3 0.995-1.005
pH (1% water solution) 5.0-7.0

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

 

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