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High thermal stability suitable for processing temperatures up to 1000 °C.
Excellent chemical resistance against acids, alkalis, and solvents.
Non-toxic formulation compliant with REACH and RoHS regulatory requirements.
Consistent particle size distribution ensuring uniform dispersion and color strength.
Low oil absorption enabling efficient incorporation into high-solids formulations.
Ceramic glazes and underglaze decorations for tableware and sanitaryware.
High-performance architectural coatings exposed to UV and weathering.
Plastic coloration for automotive interior components requiring long-term heat resistance.
Specialty inks for glass and metal decoration requiring firing stability.
Refractory linings and investment casting shell materials.
| Chemical Type | Complex iron-chromium spinel (FeCr₂O₄-based) |
| Product Form | Fine, free-flowing powder |
| Appearance | Dark green to black granular powder |
| Primary Applications | Ceramics, refractories, high-temp coatings, engineering plastics |
| Key Features | Thermal stability, lightfastness, inertness in alkaline environments |
| Benefits | No blooming, minimal migration, low volatility during firing |
| Density (g/cm³) | 4.7–5.1 |
| Bulk Density (g/L) | 800–1100 |
Q1: What is the primary chemical composition of Ferro PY184?
A: Ferro PY184 is an iron oxide-based inorganic pigment, primarily composed of hematite (α-Fe₂O₃), engineered for consistent color performance and thermal stability in demanding industrial applications.
Q2: Is Ferro PY184 suitable for use in food-contact plastics or coatings?
A: Ferro PY184 is designed for general industrial use and is not pre-qualified for direct food-contact applications. Its suitability for such uses depends on full regulatory assessment by the formulator, including compliance with applicable regional food contact legislation and migration testing protocols.
Q3: How does PY184 perform under high-temperature processing conditions?
A: As a thermally stable iron oxide pigment, PY184 maintains its color integrity and structural properties during standard polymer processing—including injection molding, extrusion, and calendering—without significant degradation or color shift up to typical processing temperatures for polyolefins and engineering thermoplastics.
Q4: Can PY184 be used in aqueous systems such as architectural paints or cementitious materials?
A: Yes—PY184 exhibits excellent compatibility with alkaline environments and is widely used in cement, stucco, and water-based architectural coatings due to its inherent pH stability, weather resistance, and low solubility in water.
Q5: What dispersion guidance should be followed to achieve optimal color development?
A: Optimal dispersion typically requires high-shear mixing during compounding or let-down. For best results, incorporate PY184 early in the process and avoid excessive heat or shear that may affect particle integrity. Dosage generally ranges from 0.1% to 2% by weight, depending on the desired opacity and shade intensity.
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