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High thermal stability suitable for processing temperatures up to 1200°C.
Excellent chemical resistance against acids, alkalis, and solvents.
Consistent batch-to-batch color reproducibility with tight hue control.
Low heavy metal content compliant with global regulatory standards (e.g., EN 71-3, RoHS).
Optimized particle size distribution for enhanced dispersion and opacity in ceramic glazes.
Ceramic tile glazes and underglaze decorations.
Sanitaryware and tableware colorants.
Porcelain enamel coatings for architectural and appliance applications.
High-fire stoneware and refractory ceramics.
Specialty glass coloring (where compatible with melt chemistry).
| Chemical Type | Mixed-metal oxide (chromium-iron spinel based) |
| Product Form | Fine dry powder |
| Appearance | Dark green to black granular powder |
| Primary Applications | Ceramic glazes, porcelain enamel, high-fire ceramics |
| Key Features | Thermal stability, acid/alkali resistance, non-volatile |
| Benefits | Color consistency, minimal firing atmosphere sensitivity, low efflorescence risk |
| Density (g/cm³) | 4.2–4.5 (typical) |
| Particle Size (D50, μm) | 1.8–2.2 |
Q1: What is the primary chemical composition of Ferro 10446S?
A: Ferro 10446S is a high-performance inorganic pigment based on a mixed metal oxide system, engineered for thermal and chemical stability in demanding polymer processing environments.
Q2: Is Ferro 10446S suitable for food-contact plastic applications?
A: This pigment is formulated to meet general regulatory expectations for indirect food-contact applications in plastics, subject to final compliance verification within the specific end-use formulation and processing conditions.
Q3: How does Ferro 10446S perform under high-temperature processing, such as injection molding or extrusion?
A: It exhibits excellent thermal stability and retains color integrity during standard polymer processing up to approximately 300 °C, making it well-suited for engineering thermoplastics and high-melt-index polyolefins.
Q4: What types of polymers is Ferro 10446S typically compatible with?
A: It demonstrates broad compatibility with polyolefins (PP, PE), engineering resins (PA, PBT), and thermoplastic elastomers; dispersion performance may vary and should be optimized per resin system and processing method.
Q5: What is the typical dosage range for achieving optimal color development?
A: Dosage depends on formulation requirements and desired shade intensity, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight of the polymer matrix.
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