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High thermal stability suitable for processing temperatures up to 800 °C.
Excellent chemical resistance against acids, alkalis, and solvents.
Non-toxic composition compliant with major global regulatory frameworks including REACH and RoHS.
Outstanding lightfastness and weather resistance for long-term outdoor performance.
Consistent particle size distribution ensuring uniform dispersion and color strength.
Ceramic glazes and frits for tableware and architectural tiles.
High-performance refractory coatings in industrial furnace linings.
Coloration of inorganic binders in construction materials such as concrete and mortars.
Pigmentation of technical glass and enamel coatings.
Functional coloring in heat-resistant plastics and composites.
| Chemical Type | Cobalt-aluminium spinel (CoAl₂O₄) |
| Product Form | Free-flowing fine powder |
| Appearance | Intense blue granular powder |
| Primary Applications | Ceramics, refractories, architectural concrete, glass, enamels |
| Key Features | Thermal stability, UV resistance, pH neutrality, non-volatile |
| Benefits | No blooming, no migration, minimal batch-to-batch variation |
| Storage Conditions | Store in dry, cool, well-ventilated area; protect from moisture |
| Regulatory Compliance | REACH registered, RoHS compliant, non-hazardous per GHS |
Q1: What is the primary chemical composition of HEUCODUR Blue 5-100?
A: HEUCODUR Blue 5-100 is a cobalt-free, inorganic blue pigment based on a modified spinel-type crystal structure, engineered for high thermal stability and chemical inertness in demanding polymer and coating systems.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Yes — HEUCODUR Blue 5-100 is specifically developed for applications requiring regulatory compliance in food-contact materials. It meets relevant global requirements for inorganic pigments in polyolefins and other thermoplastics intended for indirect food contact, subject to final formulation validation.
Q3: How does HEUCODUR Blue 5-100 perform under high-temperature processing conditions?
A: This pigment exhibits excellent thermal stability, retaining its color integrity and dispersion characteristics during standard melt processing of polyolefins, engineering thermoplastics, and powder coatings up to 300 °C, with minimal risk of blooming or discoloration.
Q4: What are the recommended dispersion methods for optimal performance?
A: For best results, pre-dispersion using high-shear mixing or twin-screw compounding is recommended. The pigment is compatible with conventional masterbatch production techniques and responds well to standard dispersing aids used in polymer and industrial coating formulations.
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E-mail: wangxingqiang@ericwchem.com
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