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HYROX 660 Iron Oxide Brown

iron oxide brown 660hyrox 660dark brown iron oxidedark brown pigmentconcrete paintpaving stone pigmentsynthetic iron oxideconstruction chemicals

HYROX 660 IRON OXIDE BROWN is a high-performance synthetic pigment produced to impart an aesthetic and permanent color to building elements, specifically formulated to achieve dark and deep brown tones. Obtained through an optimal blend or direct synthesis of red, black, and yellow iron oxides, this product exhibits excellent dispersion within concrete mixtures, offering a more saturated color intensity compared to standard browns.

Key Advantages

  • High Color Intensity: Possesses strong opacity, enabling the achievement of the desired dark brown tone even at low usage rates.
  • Permanence: Exhibits full resistance to the sun's UV rays and harsh atmospheric conditions, preserving its color for years.
  • Chemical Stability: Resistant to lime and alkalis generated during cement hydration; minimizes efflorescence in concrete.
  • Ease of Use: Thanks to its micronized structure, it disperses rapidly without agglomeration in both dry and wet mixtures.
  • Environmentally Conscious: Contains no toxic substances, is insoluble in water, and does not contaminate groundwater.

Application Areas

HYROX 660 is preferred especially in outdoor applications where color depth is crucial:

  • Concrete paving stones, curbs, and rain gutters
  • Concrete tiles and roof coverings
  • Colored asphalt applications and bicycle paths
  • Artificial stone (cultured stone) claddings
  • Precast concrete elements
  • Synthetic paint, rubber, and plastics industry
Technical Specifications (Typical Values)
Product Code HYROX 660
Color Dark Brown (Dark Brown)
Chemical Structure Fe2O3 Mixture (Synthetic Iron Oxide)
Appearance Fine Powder
Sieve Residue (325 mesh) Max. %0.3
pH Value 5.0 - 7.0
Oil Absorbency 20 - 35 g/100g
Moisture Content Max. %1.0
Heat Resistance ~180°C (Color change may occur above this temperature)

Frequently Asked Questions

What is the difference between HYROX 660 and 610?

Although both products are brown pigments, HYROX 660 generally provides a darker, deeper brown tone with a more dominant red undertone compared to HYROX 610. For more pronounced colors, 660 is preferred.

When should it be added to the concrete mix?

For homogeneous dispersion, the most ideal method is to mix the pigment with dry aggregate and cement for 1-2 minutes before water addition ('dry mix'). If added to ready-mix concrete, the mixer should be run at high speed for at least 5-10 minutes.

What are the product storage conditions?

The product should be stored in its closed original packaging in a dry and cool place, protected from moisture and direct water. Under suitable conditions, the shelf life is unlimited.




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