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High thermal stability up to 1000°C, suitable for high-temperature ceramic and refractory applications.
Excellent lightfastness and UV resistance, ensuring long-term color retention in outdoor exposures.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.
Superior dispersion performance in aqueous and solvent-based systems with minimal grinding energy required.
Consistent batch-to-batch color strength and hue, supported by rigorous in-house spectrophotometric quality control.
Ceramic glazes and bodies for tableware, sanitaryware, and architectural tiles.
High-performance coatings for industrial equipment and automotive under-hood components.
Coloration of construction materials including concrete, mortar, and fiber-cement boards.
Plastic masterbatches for engineering thermoplastics requiring heat stability (e.g., polyamide, PBT).
Specialty inks for heat-transfer printing and ceramic decal applications.
| Chemical Type | Mixed-Metal Oxide (Fe–Cr–Mn spinel-based) |
| Product Form | Fine dry powder |
| Appearance | Uniform reddish-brown free-flowing powder |
| Primary Applications | Ceramics, high-temp coatings, construction materials, engineering plastics |
| Key Features | Heat stable, lightfast, non-volatile, chemically inert |
| Benefits | No blooming, low dusting tendency, excellent weathering resistance |
| pH (10% aqueous slurry) | 6.5 – 7.5 |
| Specific Surface Area (BET) | 8 – 12 m²/g |
Q1: What is the primary chemical composition of Cathay FLOWTINT Brown FF8660?
A: Cathay FLOWTINT Brown FF8660 is an iron oxide–based inorganic pigment, formulated with controlled crystallinity and surface treatment to enhance dispersion and thermal stability. It contains no heavy metals such as lead, cadmium, or mercury, and complies with general global regulatory expectations for non-toxic colorants in industrial applications.
Q2: Is FF8660 suitable for high-temperature processing, such as engineering plastics compounding or powder coating curing?
A: Yes — FF8660 exhibits excellent thermal stability, retaining its color integrity and structural integrity under typical processing conditions up to approximately 350 °C. It is widely used in polyamide, polyester, and thermoset systems where extended melt residence times or elevated cure temperatures are required.
Q3: How does FF8660 perform in terms of UV resistance and weathering stability?
A: As a fully inorganic iron oxide pigment, FF8660 demonstrates outstanding UV resistance and long-term outdoor durability. It shows minimal fading or chalking when incorporated into exterior-grade coatings, architectural concrete, or polymer profiles exposed to sunlight and moisture.
Q4: Can FF8660 be dispersed effectively in both aqueous and solvent-based systems?
A: Yes — FF8660 is engineered with a tailored surface chemistry that supports stable dispersion across a broad range of media, including waterborne paints, solvent-borne industrial coatings, and polar polymer melts. Optimal dispersion typically requires standard high-shear mixing or pre-dispersion techniques, depending on the host system viscosity and polarity.
Q5: What is the typical dosage range for achieving full opacity and consistent shade in plastic applications?
A: Dosage depends on the base polymer, desired opacity level, and processing method, but FF8660 is generally effective at low concentrations — typically ranging from 0.1% to 2% by weight — to deliver rich, uniform brown tones without compromising mechanical properties.
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E-mail: wangxingqiang@ericwchem.com
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