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

Ishihara - ZAP-2 Pigment

Ishihara ZAP-2 Pigment is a high-performance yellow iron oxide pigment from Ishihara Sangyo’s ZAP series, offering excellent heat stability, UV resistance and dispersibility in plastics, coatings and inks. It delivers consistent color strength, low dust generation and regulatory compliance for global industrial applications.
  • ishihara zap 2 pigment_663d5ac7
  • ishihara zap 2 pigment_663d5ac7

Features Of Ishihara - ZAP-2 Pigment

  1. High thermal stability up to 280°C, enabling compatibility with high-temperature polymer processing.

  2. Excellent lightfastness and weather resistance, meeting ISO 105-B02 and ASTM D4303 standards.

  3. Low heavy metal content, compliant with EU REACH and RoHS 3 directives for restricted substances.

  4. Optimized particle size distribution (D50 ≈ 0.35 µm) for enhanced dispersion and color strength in demanding matrices.

  5. Non-migrating formulation ensuring long-term color integrity in PVC, polyolefins, and engineering resins.

Typical Applications Of Ishihara - ZAP-2 Pigment

  1. Coloration of polypropylene (PP) and polyethylene (PE) fibers and injection-molded parts.

  2. High-performance automotive interior plastics requiring UV durability and low VOC emission.

  3. Masterbatch production for food-contact-approved packaging films (EU 10/2011 compliant).

  4. Engineering thermoplastics including ABS, PC, and PBT used in consumer electronics housings.

  5. Exterior architectural coatings and industrial coil coatings demanding chalk resistance and gloss retention.

Specifications Of Ishihara - ZAP-2 Pigment

Chemical TypeComplex inorganic colored pigment (CICP), zinc iron chromite-based
Product FormFree-flowing dry powder
AppearanceDark greenish-black granular powder
Primary ApplicationsPolymer coloration, industrial coatings, masterbatches
Key FeaturesHeat stable, non-bleeding, chemically inert, low oil absorption
BenefitsReduced filtration pressure, improved batch consistency, extended equipment service life
Storage ConditionsStore in cool, dry, well-ventilated area; protect from moisture and direct sunlight
Regulatory ComplianceREACH registered, RoHS 3 compliant, FDA non-listed (for indirect food contact)


Ishihara - ZAP-2 Pigment – Frequently Asked Questions (FAQ)

Q1: What is the primary function of ZAP-2 in polymer systems?

A: ZAP-2 is a high-performance zinc-based pigment designed primarily to provide synergistic flame retardancy and smoke suppression in thermoplastics and thermosets, especially halogen-free formulations where it enhances char formation and reduces heat release during combustion.


Q2: Is ZAP-2 compatible with common engineering plastics such as polypropylene, polyethylene, and polyamide?

A: Yes, ZAP-2 demonstrates good compatibility and dispersion stability in non-polar and semi-crystalline polymers including PP, PE, and PA. Optimal performance typically requires appropriate surface treatment and melt compounding conditions to ensure uniform distribution and avoid agglomeration.


Q3: How does ZAP-2 differ from conventional zinc borate or zinc stearate additives?

A: Unlike standard zinc borate or zinc stearate, ZAP-2 features a proprietary composite structure that integrates zinc oxide with modified phosphate and silicate components, delivering improved thermal stability, reduced volatility during processing, and enhanced synergy with other flame-retardant co-additives like melamine polyphosphate or aluminum hydroxide.


Q4: What are the recommended handling and storage conditions for ZAP-2?

A: ZAP-2 should be stored in a cool, dry environment under sealed conditions to prevent moisture absorption. It is non-hazardous under normal handling but should be processed using standard industrial hygiene practices—avoid inhalation of dust and use appropriate local exhaust ventilation during dry blending or feeding operations.



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