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Iron Oxide Red (PR101)

Product Information

ParameterCatalog Number

Tint (1:3)
C.I.NamePigment Red 101Pigment Red 101Pigment Red 101Pigment Red 101
C.I. No.77491774917749177491
Pigment ChemicalFe2O3Fe2O3Fe-SiFe-Al
Specific Gravity4.
Mean Particle Size (μm)
Oil Absorption (g/100g)~21~21~22~22
PH Value3-73-73-73-7
Heat Resistance (°C)>500>500>500>500
Acid Fastness (1-5)5555
Alkali Fastness (1-5)5555
Light Fastness (1-8)8888
Weather Fastness (1-5)5555

*The colors shown in the table are only approximate, please test and confirm before use.

Main Characteristics

  • Hematite structure
  • Yellowish to bluish red shade
  • Easy to disperse
  • Excellent dimensional stability
  • Non-bleeding and non-migratory
  • Moderate near-infrared reflectance
  • Recommended for use with high performance organic pigments in opaque formulations

Main Applications

Iron oxide red is widely used in various industries due to its unique properties and versatility. Its main applications include:

  • Coatings and Paints

Iron oxide red is commonly used in the formulation of paints and coatings, such as architectural paints, industrial coatings, automotive coatings, protective coatings and so on.  It is suitable for all indoor and outdoor applications.

  • Plastics and Polymers

Iron oxide red is used in the plastics industry to color plastic products, including toys, packaging materials and various molded products.

  • Printing Inks

Iron oxide red is also widely used in printing inks. It can improve the color saturation and surface gloss of printed materials, and enhance the ink's coverage and water resistance.

  • Construction Materials

Iron oxide red can be incorporated into cement, concrete, mortar and other outdoor construction materials to add color and beauty to the building structure.

Iron Oxide Red (PR101)

Alfa Chemistry is a specialized supplier of inorganic pigments. In addition to catalog products, we can also provide you with product customization services. If you have any needs, please contact us immediately.

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