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Natural Iron Oxide Red

Natural iron oxide red is a red powder pigment, it owns stable quality, high weatherability, good resistance to anti-aging, anti-rust, acid and alkali. Natural iron oxide red pigment is widely used in paints and coatings, construction materials, anti-corrosion coatings, rubber, glasses, magentic materials etc.

General Description

  • Product name: Natural Iron Oxide Red
  • C.I. No.: 77491
  • Color Index: Pigment Red 101
  • CAS RN NO.: 1309-37-1
  • EINECS NO.: 215-168-2
  • Molecular Formula: Fe2O3
  • Molecular Weight: 159.69

Natural iron oxide red is made from high quality raw materials. Its main chemical element is Fe2O3, natural iron oxide red is chemical stability, good anti-aging, anti-rust, good acid and alkali resistance, excellent weatherability.

Applications

Natural iron oxide red is mainly used paints and coatings, construction materials, anti-corrosion coatings, rubber, glasses, magentic materials etc.

Typical Physical Properties

Specification Value
Normal quality Top quality
Appearance Red iron powder Red iron powder
Oil Absorption, % 20-35 13-30
Tinctorial Power (compared with std.) 80 min. 90 min.
Water Solubles, % 1 max. 0.3 max.
Moisture, % 0.5 max. 0.5 max.
Reside (45μm mesh), % 1 max. 1 max.
Content of Fe2O3, % 75 min. 80 min.
Shade (compared with std.) The same The same
pH Value 6-8 6-8
SiO2, % 7.9
CaO, % 0.8
Al2O3, % 5.64
MgO, % 0.32
K2O, % 0.13
Na2O, % 0.037

Beside the specifications above, Epsilon can produce natural iron oxide red according to customers’ standard samples.

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