The Tanex range of products is widely used in the formulation of acidic rust converter formulations. They can be used to formulate both resin-free pre-treatment solutions and acid-compatible water based film forming formulations.
By binding and converting poorly adhering iron oxides into more stable iron tannate complexes tannic acid based pre-treatments improve anti-corrosion resistance of new or old cast iron or iron work surfaces.
Boiler water treatment
The following tannic acid properties are of concern for water treatment purposes:
- Oxygen scavenging
- Preventing scale formation
- Metal complexation
The Tanex range combines these 3 properties in one product, therefore allowing for simple formulated end products containing as few raw materials as possible.
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