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What are the uses of UV Master Batches ?

Exposure to sunlight and some artificial lights can have adverse effects on the useful life of plastic products. UV radiation can break down the chemical bonds in a polymer. This process is called photodegradation. It ultimately causes cracking, chalking, color changes and the loss of physical properties. To counteract the damaging effect of UV light, UV stabilizers are used to solve the degradation problems associated with exposure to sunlight. UV stabilizers can be categorized by two general classifications-ultraviolet light absorber (UVA) and hindered amine light stabilizers (HALS).


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FAQ's About UV Master Batches

A UV Masterbatch is a type of additive masterbatch that contains ultraviolet (UV) stabilizers and absorbers. It is incorporated into plastic materials to protect them from the harmful effects of UV radiation, such as discoloration, degradation, and brittleness, which can occur when plastics are exposed to sunlight.
UV protection is crucial for plastics because prolonged exposure to UV radiation can cause materials to degrade over time. This can lead to fading, discoloration, cracking, loss of strength, and embrittlement, making the plastic less durable and reducing its lifespan. UV Masterbatches help mitigate these effects and extend the service life of plastic products.
The typical dosage of UV Masterbatch ranges from 1% to 5% by weight of the base polymer. The exact amount depends on the type of plastic, the level of UV protection required, and the intended end-use of the product. Higher concentrations may be used for plastics exposed to harsh outdoor environments.
Yes, UV Masterbatch can be used in colored plastics. The stabilizers in the UV Masterbatch are compatible with most pigments and colorants, so they can help maintain the color integrity of the plastic products while protecting them from UV-induced fading. It is essential to test the compatibility of specific UV Masterbatches with the chosen colorants.
UV Masterbatch typically has a shelf life of 12 to 24 months when stored in a cool, dry place, away from direct sunlight and humidity. Proper storage conditions will help maintain the effectiveness of the UV stabilizers in the masterbatch.

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