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

Cathay Burnt Umber UB85 Inorganic Pigment

Cathay Burnt Umber UB85 is a high-performance inorganic pigment from Cathay’s UB series, featuring excellent lightfastness, thermal stability and UV resistance. This iron oxide-based burnt umber offers rich brown tones, strong tinting strength and low oil absorption. Widely used in architectural coatings, plastics and concrete, it meets stringent environmental and safety standards with consistent batch-to-batch quality and superior dispersion.
  • cathay burnt umber ub85 inorganic pigment_e4cd9de8
  • cathay burnt umber ub85 inorganic pigment_e4cd9de8

Features Of Cathay Burnt Umber UB85 Inorganic Pigment

  1. High thermal stability up to 600 °C, ensuring color integrity in high-temperature processing.

  2. Excellent lightfastness and weather resistance, meeting ISO 105-B02 Class 7–8 performance standards.

  3. Low oil absorption (18–22 g/100 g), enabling efficient dispersion and improved formulation rheology.

  4. Non-toxic and heavy-metal-free, compliant with EN 71-3 and RoHS Directive requirements.

  5. Consistent batch-to-batch color strength and hue, supported by rigorous in-house spectral quality control.

Typical Applications Of Cathay Burnt Umber UB85 Inorganic Pigment

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

  2. Concrete and cement-based products, including precast elements and terrazzo flooring.

  3. Plastic masterbatches for outdoor applications such as garden furniture and construction profiles.

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

  5. High-performance powder coatings for metal substrates exposed to UV and moisture.

Specifications Of Cathay Burnt Umber UB85 Inorganic Pigment

Chemical TypeIron oxide-based inorganic pigment (Fe₂O₃–MnO–Al₂O₃ complex)
Product FormFine dry powder
AppearanceUniform reddish-brown granular powder
Primary ApplicationsCoatings, construction materials, plastics, ceramics
Key FeaturesThermal stability, lightfastness, chemical inertness, low solubility
BenefitsColor consistency, ease of dispersion, regulatory compliance
pH (10% aqueous suspension)6.5–7.5
Volatile Matter (105 °C, 2 h)≤0.5 wt%


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