CATHAY INDUSTRIES > Products > Iron Oxides > FERROTINT™ Blue F28L


Product OverviewTypical PropertiesColor Display

Cobalt Blue from Cathay Industries is high-quality, synthetically produced inorganic color pigments
suitable for a wide range of demanding colorant applications. Typical applications include industrial
coatings, product finishes, exterior coatings, military coatings, athletic surfaces, plastics, rubber, caulk, abrasives, ceramics, paper, concrete, stucco, cement and mortar.

Produced to strict quality tolerances, our products yield reliable performance properties offering
outstanding light fastness, opacity, chemical resistance, exterior durability and compatibility.
A dark blue powder produced by high temperature calcinations, giving a pigment with high heat
stability and excellent weathering and light fastness properties. It has excellent acid and alkali
resistance and is non-migrating and non-bleeding. Also known as FERROTINT Byron Blue F28L.

Properties Description
Appearance Blue Powder
Chemical Composition Co(Al,Cr)2O4
Particle Shape Prismatic
Pigment Index Blue 36
Color Index 77343
CAS No. 68187-11-1

 Grey cement*
 White cement*




* 4% Pigment loading in grey / white cement.
**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.**


Construction Grade
Construction, Others