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Iron Oxide Red 160

Iron Oxide Red 160 is a common iron oxide pigment used in developing building materials, paints, rubber, asphalt, sports racetracks, paper, plastic and others. Offering excellent light and temperature resistance, Iron Oxide Red 160 also offers strong color strength and good dispersion.

Recommended applications

  • Architectural & industrial paints and coatings
  • Concrete products: pavers, roof tiles, bricks, colored concrete
  • Plastics & masterbatch (ensure compatibility with polymer and processing temperature)
  • Ceramics, enamels and specialty coatings

Technical Specifications

  • ‍Product Name: Iron Oxide Red 160
  • Color Index: Pigment Red 101
  • C.I. No.: 77491
  • CAS No.:2013-53-5
  • EINECS NO.:215-168-2
  • Molecular Formula: Fe2O3
  • Molecular Weight: 159.69‍
Density(g/cm3)4.9-5.1
AppearanceRed powder
Content of Fe2O3 %96 min
PH Value3.0-7.0
Oil Absorption15-25
Residue on 320 mesh,%0.3 max
Water soluble, %0.3 max
Volatile at 105 degree1.0 max
Tinting strength, %98-102

Frequently asked questions

What is Iron Oxide Red 160 and its Colour Index?

Iron Oxide Red 160 is a synthetic/inorganic red pigment based on iron(III) oxide (hematite). It corresponds to Pigment Red 101, CI 77491.

Is it suitable for exterior concrete and paving?

Yes — Iron Oxide Red 160 offers high opacity and excellent weather resistance, making it suitable for colored concrete, pavers, roof tiles and other construction materials when properly dosed and dispersed.

What safety precautions are recommended?

As a fine inorganic powder, avoid inhalation of dust and use appropriate PPE (dust mask, goggles) during handling. Consult the product SDS for full safety data.

Can it withstand high processing temperatures (e.g., plastic extrusion)?

This pigment shows good heat stability (typical color stability up to ~250–300°C), but compatibility depends on polymer type and residence time — perform trial runs for your exact processing conditions.

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