Synthetic Black Iron Oxides from Cathay Industries are high-quality inorganic color pigments suitable for a wide range of colorant applications. Typical applications include concrete block pavers, concrete bricks, paving slabs, roof tiles, architectural masonry, ready mix concrete, mortars, walling blocks and asphalt.
The granular structure provides a free-flowing, low dusting Pigment with high dispersing properties. As with all Cathay Industries products the CathayGran™ Iron Oxides are produced to strict quality tolerances. Our products yield reliable performance properties which offer outstanding light fastness, curing stability, opacity, chemical resistance, alkali resistance, heat stability, exterior durability and compatibility.



Grey cement*

White cement*

  1. 4% Pigment loading in grey / white cement.
  2. The color shades presented here are as accurate as monitor settings allow.
  3. They may be different from shades in actual application and are for reference only.

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