Colour your thinking - Kalzip

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Brilliant colours At this point it is important to look closely at the process of choosing the most appropriate colour and finish for the project in hand. Adjustments need to be made when certain colours and finishes are chosen. This may affect the cost according to any multi-coating that may be required. It should also be noted that the coil coating line below requires a minimum of 1,000 square metres of any given colour for an economically viable production run. It is critical, at the specification stage, to seek advice from our technical department on colours and finishes that are outside the standards shown. To provide a little more understanding of the technical issues involved; we now look briefly at the elements of the coating and the effect of certain external conditions on their performance. Colour pigments Pigments give colour to the organic coating and can also contribute significantly to the paint’s durability by either reflecting or absorbing ultra violet radiation. They also give opacity to the coating. 8 Colour your thinking Pigments may be organic or inorganic. Inorganic pigments generally have better resistance to ultra violet radiation and are recommended for long life coatings for external use. However, some inorganic pigments for strong colours do not respond well to exposure to acidic pollutants such as SO2. Examples of these include lead molybdate (red), lead chromate (yellow) and ultramarine (blue). This restricts parts of the colour range and is the reason why there is a limited choice of reds and yellows for long life products. Binders The binder is the resin, or combination of resins, which determines the characteristics of the paint film - flexibility, adhesion, weatherability, etc. The coating system is usually described by reference to the type of binder, e.g. PVdF (PVF2), polyester, polyurethane, etc. PVdF The ultimate in coating performance with outstanding weathering properties. This system has been used on aluminium in the UK for over 25 years with millions of square metres continuing to perform as well This coil coating diagram demonstrates why a minimum quantity of approximately 1000m 2 is required for economic viability. now as when the product was first installed. Minimum decorative life is in excess of 20 years. This, combined with the virtually unlimited range of colours, including metallic, has led to acceptance of PVdF as the best available coil coated material ARS - Abrasion Resistant System This is a high durability coating with exceptionally good handling characteristics. It has an external decorative life expectancy of up to 20 years achieved through its extremely tough construction based on polyester or polyurethane resins reinforced with polyamide (nylon). This gives a coating combining excellent formability, corrosion resistance and weathering properties. Polyester This is one of the most cost effective and versatile systems available and is used for a variety of both internal and external cladding systems. It is available in gloss levels from 8% (matt) through to 80% (full gloss). . Small quantities of special colours can be achieved by post powder coating. Small quantity coils from larger projects may satisfy your need. On the issue of small quantities or unusual colours please contact us. Coated metal samples are usually available for all frequently specified colours.
Favourites Frequently specified RAL colours RAL 1013 RAL 3002 RAL 5009 RAL 5024 RAL 6003 RAL 6021 RAL 6027 RAL 7000 RAL 7012 RAL 7016 RAL 7024 RAL 7035 RAL 7037 RAL 7043 RAL 8014 RAL 8023 RAL 8025 RAL 9006 Various shades of white White aluminium Metallic are available. Due to the limitations of the printing process it is not possible to accurately reproduce the RAL colours We recommend actual samples are seen before ordering. Favourites British Standard (BS) referenced colours are also available e.g. BS00A05, BS18B25, BS10A05, BS18C37 Colour your thinking 9
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Colour your thinking - Kalzip

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