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High thermal stability up to 800 °C, suitable for high-temperature ceramic and enamel applications.
Excellent lightfastness and UV resistance, ensuring long-term color retention in outdoor exposure.
Non-toxic, heavy-metal-free formulation compliant with global REACH and RoHS regulations.
Superior dispersion performance in aqueous and solvent-based systems without requiring surface treatment.
Consistent particle size distribution for uniform black shade and optimal hiding power.
Ceramic glazes and underglaze decorations for tableware and architectural tiles.
High-performance industrial coatings for automotive and appliance OEM finishes.
Plastic coloration for engineering thermoplastics including polyamide and polyesters.
Specialty inks for heat-resistant labeling on glass and metal packaging.
Fireproof building materials such as intumescent paints and flame-retardant composites.
| Chemical Type | Mixed Metal Oxide (Fe–Mn–Cr spinel structure) |
| Product Form | Free-flowing dry powder |
| Appearance | Jet-black granular powder |
| Primary Applications | Ceramics, high-temp coatings, engineering plastics, specialty inks |
| Key Features | Heat stable, chemically inert, non-volatile, pH-stable |
| Benefits | Low dosage requirement, excellent batch-to-batch consistency, no blooming or migration |
| Storage Conditions | Store in cool, dry place; avoid moisture and direct sunlight |
| Shelf Life | 36 months from date of manufacture under recommended storage |
Q1: What are the key advantages of Cathay CATHAYCOAT Black BB31 compared to organic black pigments?
A: Cathay CATHAYCOAT Black BB31 offers superior thermal stability, UV resistance, and chemical inertness due to its inorganic composition—making it especially suitable for high-temperature processing and outdoor applications where long-term color retention is critical.
Q2: Is BB31 compatible with water-based coating systems?
A: Yes, BB31 is engineered for broad compatibility across both solvent-based and water-based industrial coatings, including acrylic, epoxy, and polyurethane dispersions—surface treatment ensures good dispersion stability and reduced agglomeration in aqueous media.
Q3: How should BB31 be dispersed in a formulation?
A: Optimal dispersion is achieved using high-shear mixing or bead milling; pre-wetting with a portion of the vehicle and gradual addition under agitation helps prevent dusting and ensures uniform distribution. Dispersing aids may be used depending on the resin system.
Q4: Does BB31 contain heavy metals regulated under RoHS or REACH?
A: BB31 is formulated without lead, mercury, cadmium, or hexavalent chromium, and complies with current RoHS and REACH SVHC screening expectations for general industrial pigment use; full regulatory documentation is available upon request for specific application assessments.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
