Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Clariant POLYSYNTHREN Blue RLS 4... Pigment

Clariant POLYSYNTHREN Blue RLS 4 is a high-performance, solvent-stable organic pigment offering excellent lightfastness, thermal stability and dispersibility in plastics and coatings. Part of Clariant’s POLYSYNTHREN® range, it delivers intense blue shade with superior weather resistance and low migration—ideal for demanding automotive and industrial applications.
  • clariant polysynthren blue rls 4... pigment_e565d953
  • clariant polysynthren blue rls 4... pigment_e565d953

Features Of Clariant POLYSYNTHREN Blue RLS 4... Pigment

  1. High chroma and excellent lightfastness for durable color performance.

  2. Outstanding thermal stability suitable for high-temperature processing up to 280 °C.

  3. Good dispersibility in both polar and non-polar polymer matrices.

  4. Low volatility and minimal extractables—compliant with stringent food-contact and toy safety requirements.

  5. Reproducible batch-to-batch color consistency supported by Clariant’s rigorous quality control.

Typical Applications Of Clariant POLYSYNTHREN Blue RLS 4... Pigment

  1. Polyolefin masterbatches (PP, PE) for packaging and automotive components.

  2. Engineering plastics including ABS, PS, and PC for consumer electronics housings.

  3. Food-grade plastic containers and caps requiring regulatory compliance (EU No. 10/2011, FDA 21 CFR).

  4. Toy manufacturing meeting EN71-3 and ASTM F963 heavy metal limits.

  5. Technical fibers and monofilaments for industrial filtration and textile applications.

Specifications Of Clariant POLYSYNTHREN Blue RLS 4... Pigment

Chemical TypePolycyclic aromatic pigment (copper phthalocyanine derivative)
Product FormFree-flowing powder
AppearanceDark blue to violet-blue fine powder
Primary ApplicationsPolyolefins, engineering thermoplastics, fibers
Key FeaturesHigh thermal stability, low migration, excellent dispersion
BenefitsColor consistency, regulatory compliance, processing robustness
Regulatory StatusCompliant with EU REACH, RoHS, and FDA 21 CFR §178.3297
Recommended CarrierPolyethylene or polypropylene wax-based carriers


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