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

Ishihara - ZAP-1 Pigment

Ishihara ZAP-1 Pigment is a high-performance, lightfast yellow iron oxide dispersion developed by Ishihara Sangyo Kaisha for demanding industrial coatings and inks. Featuring excellent heat stability, low viscosity, and consistent batch-to-batch color strength, it delivers superior tinting power and dispersibility in water-based and solvent-based systems.
  • ishihara zap 1 pigment_84f8eaf4
  • ishihara zap 1 pigment_84f8eaf4

Features Of Ishihara - ZAP-1 Pigment

  1. Highly dispersible organic pigment with excellent color strength and batch-to-batch consistency.

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

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

  4. Low volatile organic compound (VOC) content, compliant with REACH and RoHS regulatory requirements.

  5. Optimized surface treatment for enhanced compatibility with PVC, polyolefins, and engineering thermoplastics.

Typical Applications Of Ishihara - ZAP-1 Pigment

  1. Coloration of rigid and flexible PVC profiles, pipes, and flooring.

  2. Masterbatch formulation for polypropylene (PP) and polyethylene (PE) packaging films.

  3. Automotive interior plastics including dashboards, trim components, and air vents.

  4. Engineering plastic parts for consumer electronics housings and appliance components.

  5. High-performance industrial coatings requiring chromatic purity and durability.

Specifications Of Ishihara - ZAP-1 Pigment

Chemical TypeHigh-performance azo pigment derivative
Product FormFree-flowing powder
AppearanceReddish-orange fine powder
Primary ApplicationsPolymer coloration, masterbatches, industrial coatings
Key FeaturesThermal stability, dispersion efficiency, regulatory compliance
BenefitsReduced dosage requirement, improved melt flow, consistent hue reproduction
Storage ConditionsKeep in cool, dry place; avoid direct sunlight and moisture
Regulatory StatusCompliant with EU REACH Annex XIV (non-SVHC), RoHS 2.0, and FDA 21 CFR 178.3297 (indirect food contact)


Ishihara - ZAP-1 Pigment – Frequently Asked Questions (FAQ)

Q1: What is the primary function of ZAP-1 pigment in polymer systems?

A: ZAP-1 is a high-performance, heat-stable organic pigment designed to deliver intense blue-violet shade and excellent lightfastness in thermoplastic and thermoset applications, particularly where processing stability at elevated temperatures is required.


Q2: Is ZAP-1 suitable for food-contact plastics?

A: ZAP-1 is not pre-approved for direct food-contact applications under major global regulatory frameworks. Its use in food-contact materials requires full formulation-level compliance assessment by the end-user, including migration testing and regulatory review per applicable jurisdiction.


Q3: How does ZAP-1 perform during high-shear compounding and injection molding?

A: ZAP-1 exhibits strong resistance to shear-induced degradation and thermal decomposition up to typical processing temperatures for polyolefins, engineering plastics, and PVC, maintaining consistent color strength and minimal hue shift across standard industrial processing conditions.


Q4: What dispersion methods are recommended for optimal performance?

A: For best results, ZAP-1 should be incorporated using high-shear melt compounding or masterbatch dilution. Pre-dispersed liquid or pelletized masterbatches are widely used to ensure uniform distribution and minimize dust handling risks.


Q5: Can ZAP-1 be used alongside other Ishihara pigments without compatibility concerns?

A: Yes — ZAP-1 is chemically compatible with other Ishihara organic pigments and common polymer additives when formulated within recommended thermal and pH stability windows. However, final compatibility should always be verified through application-specific trials.



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