Corrosion Inhibitor

Corrosion Inhibitor introduction

Corrosion is the industry from production to transmission, storage and processing to the prevailing serious problem, how to effectively prevent or reduce the production equipment and pipeline corrosion, and is an important research topic industrial one. The use of chemical corrosion inhibitor is to reduce and prevent corrosion in the most effective way. 2 inhibitor mechanism of the role of corrosion inhibitors can delay, prevent metal corrosion rate, the following types of theories to explain the mechanism of electrochemical theoretical basis electrochemical anodic theory can be divided into inhibition and inhibition of corrosion inhibitor cathode - corrosion inhibitors.

Corrosion Inhibitor include:

(1) 1,2,3-Benzotrialole (BTA) can be used together with many scale inhibitors and fungi disinfectants in circulating cool water system, it has good corrosion inhibition effect in circulating cool water system.

(2) 2-Mercaptobenzothiazole (MBT) can be used as the copper corrosion inhibitor in circulating cool water system. The mechanism is due to the chemical absorption of MBT on copper surface, or chelation reaction between them.

(3) Methylbenzotriazole (TTA) can be used as corrosion inhibitor of copper and copper alloy, it also has corrosion inhibition for black metals. This product is absorbed on metal surface to form a thin membrane to protect copper and other metals from corrosion of air and other harmful subjects. The membrane is more uniform. When used together with MBT, the effect is better.

(4) Corrosion Inhibitor for Hydrochloric Acid Cleaning is that the cleaning media is hydrochloric acid and the cleaning object is black metals. It is suitable for acid cleaning of all types of high, medium and low pressure boiler, large scale of equipment and pipelines.

(5) TH-503 Scale and Corrosion Inhibitor for Boiler can be used in water treatment of low pressure boiler. Boilers include radiator, steam, locomotive, etc. TH-503 Scale and Corrosion Inhibitor for Boiler can also be used as scale and corrosion inhibitor in situation of desalination plant, distillation and bus water tank.

(6) TH-504 Scale and Corrosion Inhibitor for Heating Water can be directly used as scale and corrosion inhibitor for heating water. Because the process of softening is omitted, the cost for heating is largely decreased, great economic and social profits to enterprises may be expected.

(7) TH-601 Scale and Corrosion Inhibitor for Iron & Steel Plant is built with organophosphoric acid, polycarboxylic acid and carbon iron corrosion inhibitor, it can effectively chelate and disperse calcium carbonate and calcium phosphate scales. TH-601 has good scale inhibition effect on steel & iron in open wide circulating cool water system. It has the advantages of effective and strong corrosion inhibition.

(8) TH-604 Scale and Corrosion Inhibitor for Power Plant is built with organophosphoric acid, polycarboxylic acid, carbon iron and copper corrosion inhibitor. TH-604 can effectively chelate and disperse calcium carbonate, calcium sulfate and calcium phosphate scales. TH-604 has good scale inhibition effect on steel & iron and copper. TH-604 is mainly used in circulating cool water system in power plant, chemical plant, petrochemical, steel & iron. It has the advantages of effective and strong corrosion inhibition.

(9) TH-619B Scale and Corrosion Inhibitor is composed of organophosphoric acid, polycarboxylic acid, sulfosalt copolym-ers, copper corrosion inhibitor, special surfactant, etc. The organophosphine acid forms protection membrane and brings corrosion inhibition on metal surface.

(10) TH-628 Scale and Corrosion Inhibitor is composed of organophosphine acid, polycarboxylic acid, sulfosalt copolymers and thiazole. It can chelate and disperse calcium carbonate and calcium phosphate scales. TH-628 has good scale inhibition effect on steel & iron and copper. TH-628 can be operated under high concentration index in power plant, chemical plant and central air conditioner.

(11) TH-682 Scale and Corrosion Inhibitor for low hardness water is a composite corrosion inhibitor by inhibition of metal polarization. TH-682 has no contents of such noxious subjects as nitrite and chromate, no pollution to environment, its corrosion ratio to carbon steel far lower than that of national standard.

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