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High thermal stability up to 800 °C in oxidizing atmospheres.
Excellent chemical inertness against acids, alkalis, and solvents.
Non-toxic, heavy-metal-free composition compliant with global regulatory standards.
Consistent particle size distribution ensuring uniform dispersion and color development.
Low oil absorption for improved formulation efficiency in high-solids coatings and plastics.
High-temperature industrial coatings for exhaust systems and furnace linings.
Colorants in engineering thermoplastics requiring long-term thermal aging resistance.
Pigmentation of ceramic glazes and refractory mortars.
Functional fillers in fire-retardant intumescent paints and passive fire protection systems.
| Chemical Type | Mixed-metal oxide (zinc ferrite-based) |
| Product Form | Fine dry powder |
| Appearance | Dark gray to black granular powder |
| Primary Applications | High-temperature coatings, engineering plastics, ceramics, fire protection materials |
| Key Features | Thermal stability, chemical inertness, non-toxicity, UV stability |
| Benefits | Long-term color retention, reduced formulation complexity, RoHS/REACH compliant |
| Bulk Density | 3.2–3.6 g/cm³ |
| Loss on Ignition (1000 °C) | <1.5 wt% |
Q1: What is the primary functional benefit of CATHAYTHERM ZF15 in high-temperature applications?
A: CATHAYTHERM ZF15 is engineered as a thermally stable inorganic pigment designed to retain color integrity and chemical inertness under prolonged exposure to elevated temperatures—commonly encountered in coatings, plastics, and ceramic glazes processed above 300°C.
Q2: Is CATHAYTHERM ZF15 suitable for use in food-contact or pharmaceutical packaging materials?
A: While CATHAYTHERM ZF15 is an inorganic pigment with inherent stability and low solubility, its suitability for regulated food-contact or pharmaceutical applications depends on full compliance evaluation by the end-formulator—including migration testing, regulatory dossier review, and final product certification per applicable regional requirements.
Q3: How does CATHAYTHERM ZF15 compare to organic pigments in terms of UV resistance and weathering performance?
A: As an inorganic pigment, CATHAYTHERM ZF15 offers significantly superior UV stability and resistance to photodegradation compared to most organic pigments—making it especially well-suited for outdoor applications where long-term color retention and minimal chalking are critical.
Q4: What dispersion methods are recommended for optimal incorporation into polymer matrices?
A: For best results, CATHAYTHERM ZF15 should be introduced during high-shear compounding stages—such as twin-screw extrusion—using standard masterbatch protocols. Pre-wetting with compatible carriers and avoiding excessive thermal history prior to final processing helps maintain dispersion quality and pigment integrity.
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