Sheraplex WIS Coating for Corrosion Protection

Specialist Metallic Coatings Ltd


To assess the 'Sheraplex WIS' coating system for anti-corrosion coating of sherardized threaded fasteners' produced by Specialist Metallic Coatings Ltd in accordance with WIS 4-52-03.

Product Description

'Sheraplex WIS' is a two-part coating system comprising a sherardized surface (sacrificial corrosion protection) and a polymeric barrier layer designed for use on fasteners to be use with fittings in contact with drinking water.

The polymeric material can be Delta-Seal blue, silver, green or black.

Full details can be found in the Assessment Schedule opposite.

Approval period

1st April 2017 - 1st April 2022

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View Assessment Schedule.