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

Cathay Hoover 503BU Burnt Umber Inorganic Pigment

CathayHoover503BUBurntUmberInorganicPigmentisahigh-performance,lightfast,heat-stableironoxide-basedpigmentfromtheCathayHooverPremiumSeries.Idealforcoatings,plastics,andconstructionmaterials,itoffersexcellentdispersion,weatherresistance,andconsistentcolorstrengthwithlowvolatilityandnon-toxicity.
  • cathay hoover 503bu burnt umber inorganic pigment_dabad23d
  • cathay hoover 503bu burnt umber inorganic pigment_dabad23d

Features Of Cathay Hoover 503BU 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, heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.

  4. Optimized particle size distribution for superior dispersion and tinting strength in diverse binders.

  5. Low oil absorption for efficient pigment loading and improved rheology in liquid systems.

Typical Applications Of Cathay Hoover 503BU Burnt Umber Inorganic Pigment

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

  2. Ceramic glazes and underglaze decorations fired at stoneware and porcelain temperatures.

  3. Plastic coloration for outdoor applications, including PP, HDPE, and engineering thermoplastics.

  4. Cementitious products such as colored concrete, mortar, and terrazzo flooring.

  5. Specialty inks for packaging and decorative printing where heat resistance is critical.

Specifications Of Cathay Hoover 503BU Burnt Umber Inorganic Pigment

Chemical TypeNatural iron oxide (Fe₂O₃-based), calcined and purified
Product FormFine dry powder
AppearanceUniform reddish-brown to dark brown free-flowing powder
Primary ApplicationsCoatings, plastics, ceramics, construction materials, inks
Key FeaturesHeat stable, lightfast, non-hazardous, low volatility
BenefitsConsistent batch-to-batch color, minimal dust generation, easy dispersibility
pH (5% aqueous slurry)6.5–7.5
Volatile Matter (105 °C, 2 hrs)≤ 0.5 wt%


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