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High thermal stability suitable for processing temperatures up to 280°C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 Class 7–8 performance.
Low migration and bleed resistance in polyolefin and PVC matrices.
Consistent color dispersion with low dust generation during handling.
Compliant with EU REACH and RoHS directives for restricted substances.
Injection-molded automotive interior components.
Extruded profiles for outdoor construction materials.
Blow-molded containers for food-grade packaging (subject to local regulatory approval).
Thermoformed trays and industrial storage bins.
Woven and nonwoven geotextiles requiring UV durability.
| Chemical Type | Inorganic pigment masterbatch based on iron oxide and complex metal oxides |
| Product Form | Free-flowing granules |
| Appearance | Uniform yellow granules, free from visible specks or agglomerates |
| Carrier Resin | LDPE (low-density polyethylene) |
| Pigment Concentration | 35 ± 2 wt% |
| Typical Melt Flow Index (190°C/2.16 kg) | 15–22 g/10 min |
| Moisture Content | ≤ 0.2 wt% |
| Heavy Metals (Pb, Cd, Hg, Cr⁶⁺) | Below detection limits per EN 71-3 and US CPSIA |
Q1: What is the primary chemical composition of EP5100VA?
A: EP5100VA is based on a high-purity inorganic yellow pigment system, typically derived from modified iron oxide or complex metal oxides. It does not contain organic dyes or heavy-metal-based chromates, aligning with modern regulatory expectations for stable, non-leaching colorants.
Q2: Is EP5100VA suitable for food-contact polyolefin applications?
A: Yes — EP5100VA is formulated for use in food-contact compliant masterbatches when compounded into polypropylene and polyethylene. Its inorganic nature provides excellent thermal stability and low volatility, supporting safe processing at typical extrusion and injection molding temperatures.
Q3: How does EP5100VA perform under UV exposure and outdoor weathering?
A: As an inorganic pigment masterbatch, EP5100VA delivers strong inherent UV resistance and excellent lightfastness. It maintains consistent hue and opacity in outdoor applications without significant fading or chalking, especially when used in stabilized polyolefin systems.
Q4: What is the recommended dosage range for achieving optimal color strength and dispersion?
A: EP5100VA is highly concentrated and typically used at low concentrations — generally ranging from 0.1% to 2% by weight in the final polymer matrix, depending on the desired shade intensity and base resin. Optimal dispersion is achieved using standard melt-compounding equipment with adequate shear and residence time.
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