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

3132 P.R.21 Pigment

Sun Chemical’s 3132 P.R.21 Pigment is a high-performance, solvent-stable red pigment in the Sunfast® series, offering excellent lightfastness, thermal stability, and dispersion properties for automotive coatings, plastics, and industrial inks. Its optimized particle size ensures vivid color strength and consistent batch-to-batch reproducibility across demanding applications.
  • 3132 p.r.21 pigment_685af9d3
  • 3132 p.r.21 pigment_685af9d3

Features Of 3132 P.R.21 Pigment

  1. High chroma and excellent color strength in both aqueous and solvent-based systems.

  2. Outstanding thermal stability up to 220°C, suitable for high-temperature processing.

  3. Good lightfastness (ISO 105-B02: Grade 7–8) and weather resistance in outdoor applications.

  4. Low volatile organic compound (VOC) content, supporting eco-friendly formulation requirements.

  5. Consistent batch-to-batch color reproducibility and dispersion stability in polymer matrices.

Typical Applications Of 3132 P.R.21 Pigment

  1. Automotive OEM and refinish coatings.

  2. Engineering plastics including polyolefins and ABS.

  3. Industrial coil coatings and metal decorating inks.

  4. High-performance powder coatings for architectural and appliance finishes.

  5. Water-based packaging inks for food-contact compliant substrates.

Specifications Of 3132 P.R.21 Pigment

Chemical TypeAzo pigment, classified as Pigment Red 21 (C.I. 12155)
Product FormFine free-flowing powder
AppearanceReddish-orange powder with uniform particle size distribution
Primary ApplicationsCoatings, plastics, inks
Key FeaturesHigh tinting strength, good dispersibility, low dust generation
BenefitsEnhanced opacity, reduced dosage requirement, improved processability
Storage ConditionsStore in cool, dry place away from direct sunlight and moisture
Shelf Life24 months from date of manufacture under recommended conditions


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