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LR color paste is used for artificial stone, glass fiber reinforced plastic, resin advertising words, cooling tower, bathtub and other amusement facilities coloring. Color paste is the use of different pigments through surface treatment, surface wrapping technology, after rigorous processing technology developed. There are many kinds of color paste, such as solvent can be divided into water color paste, oil color paste, water and oil universal color paste; According to different uses can be divided into paint color paste, tape color paste, paper printing color paste, textile color paste, mechanical color paste, toy color paste, latex products color paste, etc.
Designed as a colouring medium for
polyester compression moulding, polyester extrusion and injection
moulding, polyester flat sheeting production, polyester casting, and
general composite construction involving styrenated polyester resins.
Llewellyn Ryland Polyester Colour Pastes are coloured liquid/paste mediums based on pigments dispersed within a solvent-free reactive unsaturated polyester resin. They are available in a wide range of colours varying in strength and consistency depending upon the particular colouring application. They have been developed to blend easily into resin systems. The range of colours is based upon pigments carefully selected for colour fastness, opacity, heat stability and having minimum effect upon the curing characteristics of the final system. The resin used with the Polyester Colour Paste is a specially developed solvent-free reactive polyester resin which chemically cross links with the moulding resin so that the colour is "locked in" once the system has cured. They can be used to colour most polyester resin based systems used within the composites or related industry. Our Polyester Colour Pastes have excellent stability.
plication Polyester Colour Pastes may be readily mixed directly with the polyester gelcoat or layup resin using slow mechanical mixers or by hand. More powerful mixing may be needed when used in filled systems. Generally the amount of colour paste required to colour gelcoat to achieve good hiding is 10% by WEIGHT not volume. Where the amount is to be increased for whatever reason, seek approval from our technical department for suitability of end application. A smaller addition level of between 5 and 10% should be used for colouring layup resins. The addition level of Polyester Colour Paste into SMC/DMC systems should be as agreed with Llewellyn Ryland. When using black colour pastes, an addition level of 3% by weight should be used (with the exception of PCP5989 and PCP3929 which should be used at the minimum recommended level). Accelerated polyester resins coloured with PCP3602 and PCP3929 should be used within 24 hours to avoid accelerator absorption on the colour paste. For transparent colour pastes the amount required can vary from 1 - 3% depending upon the thickness of the moulding and depth of colour required. In order to achieve a uniform finish with polychromatic/metallic colour pastes, the use of spray polyester gelcoat is recommended. Polychromatic/metallic Polyester Colour Pastes should be mixed with gelcoat immediately prior to use. Only mix sufficient for single batch production. Polychromatic/metallic colour paste causes pre-gelation of gelcoat, therefore the mixed gelcoat should be used within two hours of mixing. It is most important to ensure that care is taken to avoid the use of different colour paste batches on either single moulding or on mouldings which are components of a larger structure. Every effort is made to reduce batch to batch variation. However, even when using state-of-the-art colour matching instrumentation, small variances between batches can occur
The Colour Shown in the picture above should be used as a guide only due to the varying degrees in monitor colour management
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Main Product:
Unsaturated Resin,
Vinyl Ester Resin ,
Epoxy Resin,
Gel coat resin,
The glass fiber,
Curing agent
