Chromate Conversion Coatings - Alocrom 1000 - Alocrom 1200

SERVICES
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Alocrom 1200
Alocrom 1200

Chromate Conversion Coatings

 

 

Chromate Conversion Coatings

Chromate conversion offers a cost effective non-electrolytic process for coating aluminium resulting in excellent corrosion resistance, a good pre-paint finish and good adhesion qualities. The surface thickness of an Alocrom coating is about 2µm thick. We offer 2 chromate conversion processes, Alocrom 1000 & 1200 as detailed below.

Alocrom 1000


Alocrom 1000 produces a clear chemical film on the surface of the aluminium and offers excellent electrical conductivity. Whilst the Alocrom 1000 process utilises hexavalent chromium none of this is detectable in the final dry surface finish if the process is carried out in accordance with manufacturer’s guidelines. We offer a suitable alternative for customers that require a wholly non-chromate conversion.

Alocrom 1200


Alocrom 1200 produces a gold coloured coating which offers good electrical conductivity and corrosion resistance and is the most common Alocrom finish requested by our customers. Whilst the Alocrom 1200 process utilises hexavalent chromium none of this is detectable in the final dry surface finish if the process is carried out in accordance with manufacturer’s guidelines. We offer a suitable alternative for customers that require a wholly non-chromate conversion.



Service Outline


The table below details the relative properties of Alocrom 1000 & 1200:



Property
Alocrom 1000
Alocrom 1200
Colour
Clear
Gold
Conductivity
Alocrom 1000 Alocrom 1000 Alocrom 1000
Alocrom 1200 Alocrom 1200
Corrosion
Alocrom 1000
Alocrom 1200 Alocrom 1200
Length
2130mm
2120mm
Width
600mm
900mm
Depth
850mm
850mm
Standards
DEFSTAN 03-18 Clear MIL-C-5541 Class 3
DEFSTAN 03-18
MIL-C-5541 Class 1

Metro Engineering and Plating Works Ltd - Unit 3 - Chartridge Development - Eskdale Road - Uxbridge - Middlesex - UB8 2RT - UK
Tel: 01895 254666 - E-mail: sales@metroplating.co.uk
Chromate Conversion Coatings - Alocrom 1000 - Alocrom 1200 - Chromate Conversion - Alocrom - Alacrom - Alachrome
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