Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Cathay Hoover 511BU Burnt Umber Inorganic Pigment

CathayHoover511BUBurntUmberInorganicPigmentisahigh-performance,lightfast,weather-resistantironoxide-basedpigmentfromtheCathayHoover500series.Idealforarchitecturalcoatings,plastics,andconcrete,ithasexcellentdispersion,heatstabilityupto200°C,andlowvolatiles.Noheavymetals,REACH-compliant,andsuitableforinterior/exteriorapplications.
  • cathay hoover 511bu burnt umber inorganic pigment_539ab623
  • cathay hoover 511bu burnt umber inorganic pigment_539ab623

Features Of Cathay Hoover 511BU Burnt Umber Inorganic Pigment

  1. High thermal stability up to 800 °C, ensuring color retention in high-temperature processing.

  2. Excellent lightfastness and weather resistance, maintaining consistent hue under prolonged UV exposure.

  3. Non-toxic and heavy metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.

  4. Superior dispersion performance in both aqueous and solvent-based systems, enabling uniform color development.

  5. Consistent batch-to-batch color strength and particle size distribution for reliable manufacturing repeatability.

Typical Applications Of Cathay Hoover 511BU Burnt Umber Inorganic Pigment

  1. Architectural and industrial coatings requiring durable earth-tone pigmentation.

  2. Concrete and cement-based products including paving slabs, precast elements, and mortar.

  3. Plastic compounds for outdoor applications such as garden furniture, construction profiles, and automotive trim.

  4. Ceramic glazes and underglaze decorations where oxidation stability is critical.

  5. Printing inks for packaging and decorative laminates demanding non-fading brown hues.

Specifications Of Cathay Hoover 511BU Burnt Umber Inorganic Pigment

Chemical TypeIron oxide-based inorganic pigment (Fe₂O₃–MnO–Al₂O₃ complex)
Product FormFree-flowing dry powder
AppearanceUniform reddish-brown granular powder
Primary ApplicationsCoatings, construction materials, plastics, ceramics, inks
Key FeaturesHeat stable, lightfast, weather resistant, non-toxic
BenefitsLow migration, excellent opacity, pH-stable, low oil absorption
Particle Size (D50)0.8–1.2 µm (laser diffraction)
Specific Gravity4.2–4.5 g/cm³


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