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High thermal stability suitable for processing temperatures up to 1000°C.
Excellent chemical resistance to acids, alkalis, and solvents in demanding industrial environments.
Consistent color strength and batch-to-batch reproducibility certified under ISO 9001 manufacturing controls.
Low heavy metal content compliant with EU RoHS and REACH regulatory requirements.
Non-hygroscopic powder form ensuring long-term storage stability without caking or moisture absorption.
Ceramic glazes and underglaze decorations for sanitaryware and tableware.
Colorants in architectural and industrial vitreous enamels.
Pigmentation of refractory materials including kiln furniture and furnace linings.
Stabilized colorant in high-performance inorganic coatings for metal substrates.
Functional pigment in specialty glass formulations requiring high-temperature compatibility.
| Chemical Type | Mixed-metal oxide (chromium-iron spinel-based) |
| Product Form | Fine, free-flowing dry powder |
| Appearance | Dark green to black granular powder |
| Primary Applications | Ceramics, vitreous enamels, refractories, specialty glass |
| Key Features | Thermal stability, acid/alkali resistance, non-volatile, UV inert |
| Benefits | Color retention at high firing temperatures, minimal interaction with host matrices |
| Particle Size (D50) | 1.2–1.8 µm (by laser diffraction) |
| Specific Surface Area | 8–12 m²/g (BET method) |
Q1: What is the primary chemical composition of Ferro V-9248?
A: Ferro V-9248 is a high-performance inorganic pigment based on a complex metal oxide system, engineered for thermal and chemical stability. Its exact proprietary formulation is confidential, but it contains no heavy metals of concern such as lead, cadmium, or hexavalent chromium.
Q2: Is Ferro V-9248 suitable for use in food-contact plastics?
A: Yes — Ferro V-9248 is formulated to meet global regulatory expectations for pigments used in food-contact polymers, including compliance with FDA 21 CFR §178.3297 and relevant EU framework requirements for non-migrating colorants. Final compliance depends on the full formulation, processing conditions, and end-use application.
Q3: How does V-9248 perform under high-temperature processing?
A: V-9248 exhibits excellent thermal stability and retains its color integrity during standard polymer processing, including injection molding and extrusion at temperatures up to 300 °C. It shows minimal color shift or decomposition under typical residence times and shear conditions.
Q4: What types of polymers is V-9248 most commonly used in?
A: V-9248 is widely compatible with engineering thermoplastics such as polyamide (PA), polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS), as well as high-heat resins where color consistency and durability are critical.
Q5: What is the typical dosage range for optimal color development?
A: Dosage depends on the desired shade intensity and base resin transparency, but V-9248 is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — to achieve strong chroma and uniform dispersion without affecting mechanical properties.
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