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Suitable for both internal and external applications, with excellent formability, these laminates are suitable for highly decorative applications.
Available in a variety of finishes to mimic almost any traditional wood finish. Commonly used in the manufacture of garage doors, security doors, display units, and storage units on caravan sites.
The aluminium zinc alloy coating is applied in a similar way to traditional galvanised steel, by way of a continuous hot dipped galvanised process that gives a coating on both sides of the material of 55% aluminium, 43.4% zinc and 1.6% silicon.
This gives the steel much improved corrosion resistance compared to traditional galvanised material through the joint action of the sacrificial cathodic action of the zinc, and the barrier of aluminium present on the surface. This gives the material up to 6 times more corrosion resistance to normal zinc galvanised coatings, making it ideal for the most demanding of environments such as petrochemical sites. This high level of aluminium in the coating also aids the material in keeping its aesthetic appearance much longer than zinc galvanised material.
The SPT (special protective treatment) coating is a clear organic film applied to both sides of the material which is environmentally friendly and chromate-free, with a mass of 1g per m2, which is approximately 1 micron thickness. This is compliant with RoHS (Restriction of Hazardous Substances) and gives the material a number of additional benefits.
- Added barrier to aid in corrosion resistance
- Suitable for most direct bonding applications
- Acts as a dry film lubricant aiding in mechanical forming
- Allow direct painting without pre-treatment
Care must be taken to avoid contact with copper, brass and lead to avoid galvanic corrosion, applications include:
- Construction roofing and cladding
- Flashings and fabrications
- Petrochemical and pharmaceutical
We are able to offer profiled Aluzinc in 32/1000 and also 19/1000 (with stiffening ribs) for extra strength. Details of these profiles are available on request. 19/1000 Aluzinc is popular when used for cladding large vessels/tanks and can be produced at a maximum length of 6000mm. Along with its 1000mm cover width this gives the 19/1000 a real edge over rival products in the market.