Factory Supply High Performance Pigment Red 21(CAS6410-26-0)for Paint/Ink/Plastic-Competitive Price&Free Sample

Pigment Red 21

Company Profile:
Located in Shaoyang City, Hunan Province, we are a professional manufacturer of high-quality iron oxide pigments. With advanced production facilities and strict quality control, we focus on providing stable, reliable, and cost-effective coloring solutions for global customers.

Applications:

Coatings & Paints – Industrial paints, baking finishes, powder coatings, water-based paints, architectural coatings
Printing Inks – Offset inks, water-based inks, solvent-based inks, surface printing inks
Plastics – PVC, polyethylene (PE) processing, plastic masterbatch (heat stable up to 120°C)
Leather & Textiles – Leather dyeing, textile printing paste, fabric coloring
Other Uses – Stationery (ink pads, chalk), cosmetics (soaps, candles), paper coloring, rubber products

Process Advantages:

Advanced azo coupling reaction technology for consistent and stable product quality
Strict control of reaction temperature and pH to ensure fine and uniform particle size
Excellent dispersion performance in both water-based and solvent-based systems
High tinting strength and good hiding power
Good acid and alkali resistance 
Good light fastness (Grade 7) suitable for indoor and limited outdoor applications
Low moisture content and controlled oil absorption for easy processing
Non-toxic and environmentally friendly, suitable for industrial and cosmetic grades

Quality 

High tinting strength – Provides vivid yellowish-red shade with excellent color uniformity.
Good light fastness – Rated Grade 7, suitable for outdoor and indoor applications.
Excellent acid & alkali resistance – stable in harsh chemical environments.
Consistent batch-to-batch color – Strict quality control ensures reliable reproducibility.

Process 

Advanced wet processing technology – Ensures fine particle size and good dispersion.
Strict impurity control – Low heavy metals, suitable for industrial and cosmetic grades.
Customizable surface treatment – Improves heat resistance and wettability for specific applications (e.g., plastics, inks).

Price

Cost-effective alternative – Lower price compared to high-performance organic pigments like Pigment Red 170 or 254, while offering sufficient performance for mid-range applications.
Economies of scale – Large production capacity enables competitive pricing for bulk orders.
Flexible pricing options – Discounts available for long-term contracts or large volumes.

Service 

Free samples available – Pre-shipment testing supported.
Fast lead time – 7–15 days for mass production after sample approval.
Custom packaging – 25kg bags, drums, or as customer request.
Technical support – Professional guidance on dispersion, formulation, and application issues.
After-sales service – Quality guarantee and timely response to customer feedback.