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PR101 Iron Oxide Red — Plastic Grade Pigment

PR101 Iron Oxide Red — Plastic Grade Pigment

PR101 FU-PS100 is a high-performance iron oxide red pigment specifically designed for the plastics industry. It features exceptional heat stability (up to 600°C), ultra-fine particle size (average 1 μm) for superior dispersion, and high tinting strength. It is an economical and reliable choice for red coloration in a wide range of thermoplastic and thermoset plastic systems.

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Features

Key Features

Feature	Description
Ultra-High Heat Resistance	Withstands processing temperatures up to 600°C, suitable for high-temperature engineering plastics and specialty polymers
Ultra-Fine Particle Size	Average particle size of 1 μm ensures excellent dispersion and smooth, streak-free surfaces
High Opacity & Tinting Strength	Delivers rich, uniform red tones at low addition levels
Excellent Light & Weather Fastness	Superior UV resistance for long-term outdoor use without fading
Chemical Stability	Resistant to acids, alkalis, and solvents; does not react with plastic additives
Environmentally Compliant	Heavy metal-free, compliant with RoHS, REACH, and other regulatory standards

Typical Applications

Commodity Plastics: Injection molding and extrusion of PP, PE, PVC, PS, ABS, etc.

Engineering Plastics: Coloration of PA, PBT, PC, PPS, PEEK, and other high-temperature polymers

Masterbatch: Production of high-concentration red masterbatches

Pipes & Building Materials: Plastic pipes, profiles, roofing tiles, and other weather-resistant outdoor products

Artificial Leather & Films: PVC calendered films and decorative films

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Technical Specifications

Property	Parameter
CAS No.	1309-37-1
Color Index	Pigment Red 101 (PR101)
Chemical Class	Iron Oxide Red (Fe₂O₃)
Appearance	Red Powder
Heat Resistance	≥ 600°C
Average Particle Size	~1 μm
Light Fastness	7–8 (ISO 105-B02)
Migration Resistance	Grade 5
Residue on Sieve (325 mesh)	≤ 0.5%
Oil Absorption	18–25 g/100g
Density	4.8–5.1 g/cm³