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High thermal stability suitable for processing temperatures up to 800 °C.
Excellent lightfastness and weather resistance, meeting ISO 105-B02 Class 7–8.
Non-toxic composition compliant with EN 71-3 and RoHS directives.
Consistent particle size distribution ensuring uniform dispersion and color strength.
Low oil absorption (<25 g/100 g), enabling high loading in demanding binder systems.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-temperature coatings for industrial furnaces, exhaust systems, and heat-resistant appliances.
Colorants in refractory materials including firebricks, castables, and kiln furniture.
Pigmentation of glass enamels and frits for automotive and decorative glass applications.
Stabilized coloring agent in thermoset composites for aerospace and electrical insulation components.
| Chemical Type | Calcium Iron Silicate (CaFeSiO₄-based complex oxide) |
| Product Form | Fine free-flowing powder |
| Appearance | Brilliant brick-red granular powder |
| Primary Applications | Ceramics, high-temperature coatings, refractories, glass enamels |
| Key Features | Thermal stability, non-volatility, pH-neutral, chemically inert in alkaline environments |
| Benefits | No blooming or migration at elevated temperatures; maintains hue integrity after firing |
| Particle Size (D50) | 1.8–2.2 μm (laser diffraction) |
| LOI (Loss on Ignition, 1000 °C) | ≤0.3 wt% |
Q1: What is the primary chemical composition of Cathay FERROTINT Red F3330S-2?
A: Cathay FERROTINT Red F3330S-2 is a high-performance inorganic iron oxide-based red pigment, primarily composed of α-phase hematite (Fe₂O₃), engineered for enhanced color strength, thermal stability, and dispersibility in demanding industrial systems.
Q2: Is this pigment suitable for use in polyolefin compounds such as PP or HDPE?
A: Yes — F3330S-2 is specifically surface-treated to ensure excellent compatibility and dispersion in polyolefins. It demonstrates good thermal stability during melt processing and maintains color consistency without blooming or plate-out under standard extrusion and injection molding conditions.
Q3: How does F3330S-2 compare to conventional iron oxide reds in terms of tinting strength and opacity?
A: Due to its optimized particle size distribution and surface engineering, F3330S-2 delivers significantly higher tinting strength and improved hiding power compared to standard iron oxide red pigments, enabling lower dosage while maintaining target chroma and coverage in opaque applications.
Q4: Can this pigment be used in food-contact plastic applications?
A: While F3330S-2 is manufactured under strict quality control and complies with general purity requirements for inorganic colorants, formal regulatory clearance for food-contact use depends on final formulation, processing conditions, and applicable regional regulations — users must conduct full compliance verification per their target market.
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E-mail: wangxingqiang@ericwchem.com
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