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Phosphonates Antiscalants, Corrosion Inhibitors and
Chelating Agents
Salts of Phosphonates
Polycarboxylic antiscalant
and dispersant
Biodegradable antiscalant
and dispersant
Biocide and Algicide
Built Scale & Corrosion Inhibitors and Pretreatment Filming Agents
Corrosion Inhibitor
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Shandong Taihe Chemicals Co., Ltd.
TEL:  +86-632-5113066
FAX:  +86-632-5112055
E-mail: info@thwater.net
Web: http://www.taihechem.net
ADD: No.1, Shiliquan East Road, Shizhong District, Zaozhuang City, Shandong Province, P.R.China

Corrosion Inhibitor For Closed System


This product is used as corrosion inhibitor for closed system, such as the cooling water system and hot water circulation system in which glycol, methanol and ethanol are cooling media. It can be also used as corrosion inhibitor in anti-freeze fluid, oil tanker central air-condition system. This product is composed of organic corrosion inhibitor, dispersant, nitrite and molybdate. It is the most used corrosion inhibitor in closed system with excellent efficiency. It has good corrosion inhibition effect for carbon steel, stainless steel, copper alloy, aluminum alloy and other materials. There are no chromate in this product, thus no color will be occurred in water system and no stain spot will be deposited on metal surface. The liquid product is convenient in operation, suitable for closed circulating cooling water system with less or no leakage.


Items Index
Appearance Colorless or light amber liquid
Solid content % 30.0min
pH(1% solution) 9.0min
Density(20℃)g/cm3 1.10


Based on retained water quantity, add 1500mg/l of this product into system. Pretreatment filming operation can be omitted. For ordinary operation, based on retained water quantity, 1.3 times of this product is required. When used as corrosion inhibitor in oil tanker or oil can, better effect will be obtained when used together with demulsifier.

Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. Storage for ten months in shady room and dry place.

Safety and protection

Weak alkaline, avoid contacting with eye and skin, once contacted, flush with water.

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ADD: No.1, Shiliquan East Road, Shizhong District, Zaozhuang City, Shandong Province, P.R.China
TEL:+86-632-5113066  FAX:+86-632-5112055     
Copyright (c)2009 Shandong Taihe Chemicals Co., ltd. E-mail:info@thwater.net