Corrosion Inhibitors & Oxygen Scavengers

Corrosion Inhibitors & Oxygen Scavengers are chemicals that protect metal from corrosion and remove dissolved oxygen from cooling, boiler and condensate systems.

In this category: This category covers copper/yellow-metal corrosion inhibitors (benzotriazole BTA, tolyltriazole TTA, mercaptobenzothiazole MBT and their salts), neutralizing amines for condensate (morpholine, cyclohexylamine, MOPA) and oxygen scavengers (DEHA, carbohydrazide). Together they control the galvanic, oxygen-pitting and carbonic-acid corrosion that attack water systems.

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Corrosion inhibitors are materials used to protect metal surfaces from corrosion. They work by creating a passive film on the surface of the metal and preventing reactions with oxidizing agents such as oxygen and water vapour. Different types of corrosion inhibitors can be used for different metals, depending on their chemical compositions. In addition, some corrosion inhibitors are designed for specific applications, such as lubricants and coatings. Corrosion inhibitors can be highly effective in protecting metal surfaces from deterioration due to their effectiveness in preventing oxidation, but careful selection is needed for optimal performance and cost-effectiveness.

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Corrosion Inhibitors & Oxygen Scavengers — Frequently Asked Questions (FAQ)

What is the difference between a corrosion inhibitor and an oxygen scavenger?

A corrosion inhibitor forms a protective film on metal (for example benzotriazole on copper, or a neutralizing amine that raises condensate pH), while an oxygen scavenger chemically removes dissolved oxygen from boiler feedwater to stop oxygen pitting. Most programs use both.

Which corrosion inhibitor protects copper in cooling water?

Copper and yellow metals are protected by azole inhibitors — benzotriazole (BTA), tolyltriazole (TTA) or their sodium salts — which form a passivating film on the copper surface. Carbon steel is protected separately by phosphonate/zinc/polymer programs.

Does VCYCLETECH manufacture corrosion inhibitors and oxygen scavengers?

Yes. VCYCLETECH supplies azole copper inhibitors, neutralizing amines and oxygen scavengers (DEHA, carbohydrazide) factory-direct in China, with a COA on every batch, free samples and OEM/ODM service.
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