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UV masterbatch is a concentrated mixture of additives, typically including UV stabilizers, that is used to enhance the resistance of plastic products to ultraviolet (UV) light. It is made by dispersing these additives in a polymer carrier, which allows for easy incorporation into various plastic manufacturing processes. The primary function of UV masterbatch is to protect plastics from degradation, discoloration, and loss of mechanical properties caused by prolonged exposure to sunlight.
| Carrier resin | Polyethylene, polypropylene, or polystyrene |
| UV stabilizer types | Hindered amine light stabilizers (HALS), UV absorbers |
| Concentration levels | 5% to 30% UV stabilizers by weight |
| Color options | Natural, black, or custom colors |
| Processing temperature | Typically 180┬░C to 250┬░C |
When selecting UV masterbatch, buyers should consider the specific UV protection requirements of their application, including the expected exposure conditions and desired lifespan. It's important to specify the type of carrier resin compatible with the base polymer, the concentration of UV stabilizers needed, and any color preferences. Additionally, buyers should inquire about certifications related to environmental compliance and safety standards.
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It protects plastics from UV light degradation and extends their lifespan.
It is compatible with many plastics, but compatibility with specific resins should be confirmed.
It is mixed with the base polymer during processing, such as extrusion or injection molding.
Concentrations usually range from 5% to 30% by weight.
It can be produced in various colors, including clear options that do not alter the base color significantly.
Buyers should check with suppliers for specific environmental compliance certifications.