Polymers, when subject to prolonged exposure to sunlight, undergo rapid aging resulting in deterioration of mechanical properties caused by chain break down, cross linking, discoloration, deterioration in optical properties. As an example, films lose their flexibility and disintegrate, garden furniture becomes brittle or stadium seats become chalky.
This phenomenon is known as photo-degradation which causes discoloration, cracking, chalking and loss of physical properties.
In order to limit or postpone the on-set of degradation, several types of UV protection can be added to the polymer. The most important ways of UV protection are with:
We at Blend Colours offer right combination of these additives which enables the processors to have good effect of UV to retain long life for their products. We offer UV's for following applications:
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