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

LANXESS 4140 Bayferrox 4140 Iron Oxide Pigment

LANXESS Bayferrox 4140 is a high-purity, synthetic iron oxide red pigment offering excellent weather resistance, thermal stability, and consistent color strength. Designed for demanding applications like architectural coatings, plastics, and construction materials, it ensures superior dispersion and UV durability while meeting strict regulatory standards for safety and performance.
  • lanxess 4140 bayferrox 4140 iron oxide pigment_aac4a4b2
  • lanxess 4140 bayferrox 4140 iron oxide pigment_aac4a4b2

Features Of LANXESS 4140 Bayferrox 4140 Iron Oxide Pigment

  1. High color strength and excellent tinting power in both aqueous and solvent-based systems.

  2. Outstanding lightfastness and weather resistance, ensuring long-term color stability under UV exposure.

  3. Optimized particle size distribution for smooth dispersion and low viscosity in pigment concentrates.

  4. Good thermal stability up to 200 °C, suitable for high-temperature processing applications.

  5. Low soluble salt content, minimizing corrosion risk in metal-coated substrates and concrete.

Typical Applications Of LANXESS 4140 Bayferrox 4140 Iron Oxide Pigment

  1. Architectural and industrial coatings including façade paints and maintenance coatings.

  2. Cement-based products such as colored concrete, pavers, and tile grouts.

  3. Plastics coloring for outdoor applications requiring UV durability.

  4. Printing inks for packaging and labeling where color consistency and lightfastness are critical.

Specifications Of LANXESS 4140 Bayferrox 4140 Iron Oxide Pigment

Chemical Typeα-Fe₂O₃ (Hematite)
Product FormFree-flowing, dry powder
AppearanceRed-brown powder with characteristic iron oxide hue
Primary ApplicationsCoatings, construction materials, plastics, inks
Key FeaturesHigh opacity, excellent dispersibility, low oil absorption
BenefitsReduced dosage requirements, improved batch-to-batch consistency, minimal impact on rheology
pH (10% aqueous suspension)6.5 – 8.5
Volatile Matter (105 °C, 2 h)≤ 0.5 wt.%


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