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

Cathay Hoover 406RU Raw Umber Pigment

CathayHoover406RURawUmberPigmentisahigh-performance,naturallyderivedearthpigmentfromtheHooverseries,offeringexcellentlightfastness,heatstabilityanddispersioninpaints,plasticsandinksystems.Itfeaturesconsistentbatch-to-batchcoloruniformity,lowheavy-metalcontent,andISO9001-certifiedmanufacturingforreliableindustrialuse.
  • cathay hoover 406ru raw umber pigment_6237cecc
  • cathay hoover 406ru raw umber pigment_6237cecc

Features Of Cathay Hoover 406RU Raw Umber Pigment

  1. Naturally derived iron oxide-based pigment with consistent earthy brown hue and excellent lightfastness.

  2. High tinting strength and opacity, enabling efficient color development in low-addition formulations.

  3. Excellent thermal stability up to 250 °C, suitable for high-temperature processing applications.

  4. Low water solubility and superior alkali resistance, ensuring long-term performance in cementitious and plaster systems.

  5. Free-flowing, dust-reduced powder form with optimized particle size distribution for uniform dispersion.

Typical Applications Of Cathay Hoover 406RU Raw Umber Pigment

  1. Architectural coatings and exterior wall paints requiring durable, weather-resistant brown tones.

  2. Cement-based products including concrete pavers, precast elements, and mortar coloring.

  3. Tile grouts and joint fillers where chemical resistance and color permanence are critical.

  4. Plaster and stucco systems for interior and exterior decorative finishes.

  5. Ceramic glazes and engobes for low-fire earthenware applications.

Specifications Of Cathay Hoover 406RU Raw Umber Pigment

Chemical TypeNatural hydrated iron oxide (Fe₂O₃·H₂O) with clay matrix
Product FormFree-flowing dry powder
AppearanceUniform yellowish-brown to olive-brown granular powder
Primary ApplicationsConcrete, plaster, coatings, grouts, ceramics
Key FeaturesLightfast, alkali-stable, heat-resistant, non-toxic
BenefitsColor consistency, low dosage requirement, minimal impact on binder rheology
Storage ConditionsStore in cool, dry, well-ventilated area away from moisture and direct sunlight
Shelf Life24 months from date of manufacture under recommended storage conditions


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