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High chroma violet shade with excellent lightfastness and weathering resistance.
Optimized for low migration and outstanding thermal stability in polymer processing.
Ready-to-use liquid color paste with homogeneous pigment dispersion and consistent batch-to-batch reproducibility.
Compatible with polyolefins, PS, ABS, and engineering thermoplastics including PA and PBT.
Free of heavy metals and compliant with major global regulatory frameworks (e.g., EU REACH, US FDA 21 CFR for indirect food contact).
Coloration of polypropylene (PP) and polyethylene (PE) injection-molded automotive interior parts.
Tinting of polystyrene (PS) and ABS housings for consumer electronics and appliances.
Pigmenting engineering plastics used in medical device components requiring color consistency and biocompatibility support.
Color matching for durable outdoor applications including garden furniture and construction profiles.
Masterbatch production for high-performance packaging films requiring UV stability and clarity retention.
| Chemical Type | Organic pigment-based liquid color paste |
| Product Form | Viscous liquid paste |
| Appearance | Uniform violet paste, free from visible particles or sediment |
| Primary Applications | Polyolefins, styrenics, engineering plastics |
| Key Features | Low migration, thermal stability up to 280 °C, high dispersibility |
| Benefits | Reduced processing time, improved color accuracy, enhanced part durability |
| Regulatory Compliance | REACH registered; RoHS compliant; non-GMO; no SVHC above threshold |
| Storage Conditions | Store at 5–30 °C in original sealed container; avoid freezing and direct sunlight |
Q1: What types of polymer systems is Colanyl Violet RL 131 Color Paste compatible with?
A: Colanyl Violet RL 131 is formulated for compatibility with a broad range of thermoplastics, including polyolefins (PP, PE), styrenics (PS, ABS), and engineering plastics such as PA and PC. It is not recommended for use in highly polar or reactive systems without prior compatibility testing.
Q2: How should this color paste be incorporated into the base polymer?
A: The paste is typically introduced via gravimetric or volumetric dosing directly into the extruder feed throat or side feeder. Pre-blending with a portion of the base resin before extrusion may improve dispersion uniformity, especially at lower loadings.
Q3: Does Colanyl Violet RL 131 meet regulatory requirements for food-contact applications?
A: This grade is designed to support compliance with major global food-contact regulations when used within approved polymer matrices and at appropriate dosage levels. End-use compliance must be verified by the compounder or converter based on final formulation, processing conditions, and intended application.
Q4: What is the typical dosage range for achieving target shade intensity?
A: Dosage depends on the base polymer, desired color strength, and processing method, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight relative to the polymer matrix.
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E-mail: wangxingqiang@ericwchem.com
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