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Highly effective UV stabilization specifically engineered for polyolefin matrices including PP and PE.
Combines UV absorbers and HALS (Hindered Amine Light Stabilizers) for synergistic long-term weather resistance.
Excellent dispersion performance ensures uniform color and consistent UV protection throughout the final product.
Thermally stable up to 280°C, suitable for high-speed extrusion and injection molding processes.
Non-blooming formulation prevents surface migration and maintains clarity or surface finish in end applications.
Agricultural films (e.g., greenhouse covers, mulch films).
Automotive interior components exposed to sunlight (e.g., PP trim, dashboards).
Outdoor packaging materials (e.g., woven sacks, heavy-duty shipping bags).
Garden furniture and decking made from recycled or virgin polyolefins.
Geotextiles and erosion control fabrics requiring extended outdoor service life.
| Chemical Type | UV stabilizer + pigment masterbatch (polyolefin-compatible) |
| Product Form | Free-flowing granules |
| Appearance | Uniform colored granules (customizable pigment options) |
| Carrier Resin | PP or HDPE (matched to base polymer) |
| UV Additive Loading | 1.5–3.0 wt% (adjustable per customer requirement) |
| Recommended Dosage | 1–5 wt% depending on application and UV exposure level |
| Key Features | UV resistance, thermal stability, pigment compatibility, low extractables |
| Benefits | Extended service life, reduced photodegradation, improved color retention, enhanced mechanical property retention |
Q1: What polyolefin resins is this masterbatch compatible with?
A: This UV-stabilized polyolefin masterbatch is specifically formulated for use with homopolymers and copolymers of polypropylene (PP) and polyethylene (PE), including LDPE, LLDPE, HDPE, and PP random/block copolymers. It demonstrates excellent dispersion and compatibility in both melt-compounded and injection-molded applications.
Q2: How does the UV protection performance compare to conventional HALS or UV absorber systems?
A: This masterbatch integrates synergistic UV stabilizers—including high-performance hindered amine light stabilizers (HALS) and selective UV absorbers—designed to provide balanced long-term photo-oxidative resistance. Unlike single-additive systems, it offers improved surface stability, reduced blooming risk, and enhanced retention of mechanical properties under prolonged UV exposure in outdoor applications.
Q3: What is the typical dosage range during processing?
A: Dosage depends on the base resin, part geometry, end-use exposure conditions, and required service life. It is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—and should be optimized via small-scale trials to balance UV performance, color consistency, and process stability.
Q4: Can this masterbatch be used in food-contact or medical-grade polyolefin applications?
A: This masterbatch is not pre-certified for food-contact or medical applications. While its components are selected from globally accepted additive families, regulatory compliance must be verified case-by-case based on final formulation, processing conditions, and target market requirements—including migration behavior and extractable limits.
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E-mail: wangxingqiang@ericwchem.com
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