CATHAY INDUSTRIES > Products > Iron Oxides > CATHAYCOAT™ Red RA18


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Synthetic Red Iron Oxides from Cathay Industries are high-quality inorganic pigments suitable for  wide range of demanding colorant applications.  Typical applications include architectural paints, industrial coatings, product finishes, wood stains, plastics, rubber, ceramics, inks, paper, concrete, stucco, cement and mortar.

The excellent dispersion characteristics and high tint strength of our Synthetic Red Iron Oxides make them particularly useful in many of today’s high performance coatings.   These cost-effective pigments eliminate the need for more expensive dispersant additives and pre-dispersed liquid pigment concentrates.

RA18 is a bluish red powder pigment with high heat stability and excellent weathering and light fastness.  It is produced with strict quality tolerances and reliable performance, which offer outstanding opacity, acid and alkali resistance, chemical resistance, exterior durability and compatibility.

As all CATHAYCOATTM “RA” grade Iron Oxide Red, RA18 is highly micronized to offer easy dispersion with high-speed impeller (Cowles type) milling equipment or single & twin screw extruders.

Properties Description
Appearance Red Powder
Chemical Composition Fe2O3
Particle Shape Spherical
Pigment Index Red 101
Color Index 77491
CAS No. 1309-37-1





* Tint Tone: reduction with TiO2 1:4.
**The color shades presented here are as accurate as monitor settings allow.**
**They may be different from shades in actual application and are for reference only.**


Micronized A Grade
Coating, High Temperature, Leather Coatings, Paints & Colorants, Paper, Plastic, Masterbatches, Car Refinish, Printing Inks, Others