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High thermal stability up to 1000 °C, enabling use in high-temperature ceramic and refractory applications.
Excellent lightfastness and weather resistance, ensuring long-term color retention under UV exposure and outdoor conditions.
Non-toxic composition compliant with global regulatory standards including REACH and RoHS.
Consistent particle size distribution for uniform dispersion and optimal opacity in demanding matrices.
Chemically inert and pH-stable across a broad range (pH 4–12), supporting compatibility with diverse binders and formulations.
Ceramic glazes and bodies for tableware, sanitaryware, and architectural tiles.
High-performance coatings for industrial equipment and infrastructure exposed to harsh environments.
Refractory materials used in furnace linings, kiln furniture, and foundry applications.
Plastic masterbatches for automotive interior components requiring heat and UV stability.
Construction materials including concrete additives, façade panels, and precast elements.
| Chemical Type | Mixed-metal oxide (Fe–Cr–Mn–Al spinel-based) |
| Product Form | Free-flowing fine powder |
| Appearance | Uniform brown powder with neutral undertone |
| Primary Applications | Ceramics, refractories, high-temp coatings, construction materials |
| Key Features | Thermal stability, lightfastness, chemical inertness, non-volatility |
| Benefits | Color consistency at high firing temperatures, low migration risk, minimal impact on matrix rheology |
| Regulatory Compliance | REACH registered, RoHS compliant, non-hazardous per GHS classification |
| Density (g/cm³) | Approx. 4.2–4.5 |
Q1: What is the primary chemical composition of HEUCODUR Brown 869?
A: HEUCODUR Brown 869 is a mixed metal oxide pigment based on iron and manganese oxides, engineered for high thermal stability and inertness in demanding processing environments.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Yes — HEUCODUR Brown 869 is formulated to meet global regulatory expectations for pigments in food-contact applications, including compliance with relevant EU and FDA requirements for inorganic colorants in polyolefins and engineering thermoplastics.
Q3: How does HEUCODUR Brown 869 perform under high-temperature processing conditions?
A: It exhibits excellent thermal stability, retaining its color integrity and chemical structure during standard injection molding, extrusion, and blow molding processes — even at temperatures exceeding 300 °C in polypropylene and polyethylene systems.
Q4: What is the typical dosage range when incorporating this pigment into polymer compounds?
A: Dosage depends on the desired shade intensity and base polymer, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — due to its high tinctorial strength and dispersion efficiency.
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