Zinc Corrosion Protection Values

This page contains some useful technical information regarding the processes and chemicals we currently use in Zinc Plating.

The data below relates to corrosion testing in accordance with ASTM B117 procedures, 5% neutral salt spray, and deposit thickness 8µm.

Silicate post dips and lacquers can add 100-250h to the above values. Protection of steel substrates (red rust corrosion) is proportional to the deposit thickness.

Technical Data
Clear Gold Olive Thick Film
White (hours) 6 – 24 72 – 96 96 96
Red (hours) 24 – 48 300 350 504
Hexavalent
Trivalent

RoHS ELV & WEEE Conformance

WANTED
Spray painters and production operatives are required for immediate start within our metal finishing facility.
Experience preferred but not essential, shift work may be required.
Please apply to : office@diamondmetalfinishing.co.uk

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