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

BASF L4540 Organic Pigment

BASF L4540 is a high-performance organic pigment from BASF’s Sicopal® L series, offering excellent heat stability, lightfastness and dispersibility in plastics and coatings. Designed for demanding applications like automotive parts and engineering thermoplastics, it delivers vibrant red-shade color strength with low migration and superior weather resistance.
  • basf l4540 organic pigment_bcc6a34b
  • basf l4540 organic pigment_bcc6a34b

Features Of BASF L4540 Organic Pigment

  1. High thermal stability suitable for processing temperatures up to 280 °C.

  2. Excellent lightfastness and weather resistance (Xenon fade rating ≥7 per ISO 105-B02).

  3. Good dispersibility in polar and non-polar polymer matrices including polyolefins and engineering plastics.

  4. Low volatility and minimal plate-out tendency during extrusion and injection molding.

  5. Compliant with major global food-contact regulations (EU No 10/2011, FDA 21 CFR §178.3290).

Typical Applications Of BASF L4540 Organic Pigment

  1. Coloration of polypropylene (PP) fibers for automotive interior trim.

  2. Masterbatch formulation for HDPE containers requiring UV durability.

  3. Pigmentation of ABS and PC/ABS blends in consumer electronics housings.

  4. High-performance coloring of thermoplastic elastomers (TPE) used in sealing profiles.

  5. Specialty applications in medical-grade polymers where extractables control is critical.

Specifications Of BASF L4540 Organic Pigment

Chemical TypeCondensed azo pigment (C.I. Pigment Red 254)
Product FormFree-flowing granular concentrate
AppearanceReddish-brown granules
Primary ApplicationsPolyolefins, engineering thermoplastics, TPEs
Key FeaturesThermal stability, low migration, high tinctorial strength
BenefitsConsistent color reproducibility, reduced processing defects, regulatory compliance
Recommended CarrierPP or PE-based carrier system
Shelf Life24 months under dry, cool storage conditions (≤25 °C)


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