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

Nubiola R-5520 Iron Oxide Pigment

Nubiola R-5520 is a high-purity synthetic iron oxide red pigment from the R-Series, offering excellent lightfastness, heat stability up to 800°C, and consistent color strength. Ideal for coatings, plastics, and construction materials, it ensures low heavy metal content, superior dispersibility, and batch-to-batch reproducibility. Compliant with global safety standards including REACH and FDA.
  • nubiola r 5520 iron oxide pigment_eb5b53ba
  • nubiola r 5520 iron oxide pigment_eb5b53ba

Features Of Nubiola R-5520 Iron Oxide Pigment

  1. High chroma, reddish-brown hue with excellent color strength and tinting power.

  2. Outstanding lightfastness and weather resistance, suitable for exterior applications.

  3. Low oil absorption ensures efficient dispersion and improved formulation stability.

  4. Non-toxic, heavy-metal-free composition compliant with global regulatory standards (e.g., EN 71-3, RoHS).

  5. Consistent particle size distribution for uniform color development and reduced grinding time.

Typical Applications Of Nubiola R-5520 Iron Oxide Pigment

  1. Architectural coatings and decorative wall paints.

  2. Cement-based products including colored concrete, pavers, and tiles.

  3. Plastic masterbatches for outdoor profiles, garden furniture, and construction components.

  4. Industrial floor coatings and epoxy terrazzo systems.

  5. Ceramic glazes and underglaze colorants requiring thermal stability up to 1000°C.

Specifications Of Nubiola R-5520 Iron Oxide Pigment

Chemical TypeSynthetic α-Fe₂O₃ (Hematite)
Product FormFine dry powder
AppearanceFree-flowing reddish-brown powder
Primary ApplicationsCoatings, construction materials, plastics, ceramics
Key FeaturesLightfastness ≥8 (ISO 105-B02), Weather resistance Class 4–5 (DIN 53209)
BenefitsEasy dispersion, low dust generation, high opacity
pH (10% aqueous suspension)6.5–8.0
Volatile Matter (105°C, 2h)≤0.5 wt%


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