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Henkel Bonderite M-ZN 958 (was Granodine 958)

Henkel’s Bonderite M-ZN 958 is a tricationic phosphating process that creates a dense phosphate coating inherently resistant to alkali attack. Suitable for use on most metal substrates, including electro- and hot-dip galvanised steel, zinc alloy coated steel (Zi/Ni), and aluminium, it produces a fine-grained surface with excellent morphology.

As a dip or spray pre-treatment, Bonderite M-ZN 958 is used before the deposition of cathodic electrocoats of all types. It is also highly effective as a pre-treatment to organic coatings.

The Bonderite M-ZN 958 process takes just two to three minutes, in a bath at 48-54C temperature. The process typically begins with Bonderite C-AK type alkaline cleaner, water rinse, and Bonderite M-AC 50 activating rinse. The Bonderite M-ZN 958 phosphating treatment is applied, followed by two water rinses, a Bonderite M-PT rinse, and finally a rinse in demineralised water.

The resulting phosphated surface is exceptionally dense and fine-grained, with intrinsic protection against alkaline attack especially when compared to conventional zinc phosphate surface treatments.

For full product information, current prices and availability, please call us on 0116 278 5373
or email enquiries@stowlin.com
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