UV Stabilizer
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UV531 UV Absorber is a highly efficient ultraviolet stabilizing additive specially developed for outdoor plastic applications such as PVC, WPC and PE products. As a professional UV Absorber, UV531 can effectively absorb ultraviolet radiation in the 290–400nm wavelength range, significantly reducing UV-induced degradation.
• Product Overview:
UV531 UV Absorber appears as light yellow powder with stable chemical structure and excellent compatibility with PVC, WPC and PE systems. It is widely used in extrusion and injection molding products exposed to long-term sunlight.
• Performance Characteristics:
This UV Absorber features high light transmittance (440nm ≥97.0%; 500nm ≥98.7%), ensuring minimal impact on product transparency and color. With a melting point of 48–49℃ and good thermal stability, UV531 performs reliably during high-temperature processing.
• Protection Mechanism:
The UV Absorber converts harmful UV energy into harmless heat energy, preventing polymer chain breakage, discoloration, chalking and mechanical property loss.
For manufacturers seeking durable outdoor materials, UV531 UV Absorber is a cost-effective and reliable solution.
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Founded in 2009, MAIJISEN is a technology-driven manufacturer specializing in PVC and WPC additives, including stabilizers, foaming agents, lubricants, processing aids, and customized solutions for global plastic processing applications.