Technical datasheet

FERROXIDE® Black BK4799T

Supplied byOxerra (formerly Cathay Industries)- Last Updated on Feb 10, 2026

FERROXIDE® Black BK4799T by Oxerra (formerly Cathay Industries) is a high quality, micronized iron oxide inorganic pigment. It is produced with strict quality tolerances and reliable performance. It is designed for use in liquid colorants, plastics, rubber and other speciality applications.
  • It offers heat stability to 320°F and excellent weathering and light fastness.
  • It has excellent dispersion, high tint strength and blue shade undertones.
  • It is a cost-effective pigment that eliminates the need for more expensive dispersant additives and pre-dispersed liquid pigment concentrates.
  • Provides excellent opacity, acid-, alkali and chemical resistance.
  • Exhibits exterior durability and compatibility.
  • It also offers easy dispersion with high-speed impeller (Cowles type) milling equipment or single & twin screw extruders.
  • FERROXIDE® Black BK4799T is suitable for articles that come in contact with food (21CFR).
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FERROXIDE® Black BK4799T properties

Other properties

PropertiesValue & unitTest conditionTest method
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