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High thermal stability up to 800 °C, suitable for high-temperature ceramic and enamel applications.
Excellent lightfastness and weather resistance, ensuring long-term color retention under UV exposure.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards (RoHS, REACH).
Consistent particle size distribution for optimal dispersion and color strength in diverse matrices.
Chemically inert in alkaline and neutral environments, enhancing compatibility with cementitious and plaster systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
Coloration of vitreous enamels used on appliances, cookware, and industrial metal substrates.
Pigmentation of Portland cement-based products including paving stones, façade panels, and precast concrete.
Staining of refractory materials such as firebricks, kiln furniture, and furnace linings.
Functional coloring agent in phosphate-bonded investment casting shell molds.
| Chemical Type | Iron oxide-based complex inorganic colored pigment (spinel structure) |
| Product Form | Free-flowing fine powder |
| Appearance | Brilliant reddish-brown powder with uniform hue |
| Primary Applications | Ceramics, enamels, cementitious materials, refractories |
| Key Features | Heat stable, lightfast, chemically inert, non-hygroscopic |
| Benefits | No bleeding or migration; minimal impact on matrix mechanical properties |
| pH Stability Range | 5–12 (aqueous slurry) |
| Storage Conditions | Store in dry, cool, well-ventilated area away from moisture and strong oxidizers |
Q1: What is the primary chemical composition of Cathay FERROTINT Red F3400?
A: Cathay FERROTINT Red F3400 is an iron oxide-based inorganic pigment, primarily composed of hematite (α-Fe₂O₃), engineered for high chroma, thermal stability, and consistent dispersion performance in demanding industrial applications.
Q2: Is this pigment suitable for use in high-temperature polymer processing, such as polypropylene or engineering thermoplastics?
A: Yes — FERROTINT Red F3400 exhibits excellent thermal stability and is widely used in polymer compounding processes operating up to 280°C, including PP, HDPE, and certain engineering resins, without significant color shift or degradation.
Q3: How does F3400 compare to organic red pigments in terms of weather resistance and UV stability?
A: As an inorganic iron oxide pigment, F3400 offers superior long-term UV resistance, minimal fading under outdoor exposure, and excellent resistance to atmospheric pollutants — significantly outperforming most organic reds in exterior applications such as architectural coatings and plastic profiles.
Q4: What are typical dosage ranges when incorporating F3400 into solvent-based industrial coatings?
A: Dosage depends on formulation requirements and desired opacity, but F3400 is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — due to its strong tinting strength and high hiding power.
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