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High thermal stability up to 800 °C in oxidizing atmospheres.
Excellent UV resistance and lightfastness, ensuring long-term color retention.
Chemically inert and resistant to acids, alkalis, and solvents under standard processing conditions.
Non-toxic formulation compliant with EU REACH and RoHS directives.
Fine particle size distribution enabling uniform dispersion and high tinting strength.
Ceramic glazes and decorations for tableware and sanitaryware.
High-temperature coatings for industrial furnace linings and exhaust components.
Colorants in architectural glass and vitreous enamels.
Pigmentation of refractory concrete and fire-resistant building materials.
Functional black pigment in technical plastics requiring thermal and chemical resilience.
| Chemical Type | Mixed-metal oxide (Fe–Cr–Mn spinel-based) |
| Product Form | Free-flowing dry powder |
| Appearance | Jet-black granular powder |
| Primary Applications | Ceramics, enamels, refractories, high-temp coatings |
| Key Features | Thermal stability, chemical inertness, non-volatility |
| Benefits | Consistent batch-to-batch performance, low dust generation, easy dispersibility |
| Storage Conditions | Store in cool, dry place; protect from moisture and contamination |
| Regulatory Compliance | REACH registered, RoHS compliant, non-hazardous per GHS |
Q1: What is the primary chemical composition of HEUCODUR Black 953-1?
A: HEUCODUR Black 953-1 is a mixed-metal oxide pigment based on iron and chromium oxides, engineered for high thermal stability and chemical inertness in demanding industrial applications.
Q2: Is this pigment suitable for use in food-contact plastics?
A: Yes — HEUCODUR Black 953-1 is formulated to meet global regulatory expectations for pigments in food-contact polymers, including compliance with major food safety frameworks when used within approved application conditions and dosage limits.
Q3: How does HEUCODUR Black 953-1 perform under high-temperature processing?
A: It exhibits excellent thermal stability, retaining its black hue and structural integrity during standard polymer processing operations such as injection molding and extrusion, even at temperatures exceeding 280 °C.
Q4: What is the typical dosage range in polymer systems?
A: Dosage depends on formulation requirements and desired opacity, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — to achieve consistent black coloration without compromising mechanical properties.
Q5: Can HEUCODUR Black 953-1 be used in engineering thermoplastics like PEEK or polyphenylene sulfide (PPS)?
A: Yes — its exceptional thermal and chemical resistance makes it compatible with high-performance engineering thermoplastics processed at elevated temperatures, provided dispersion and compatibility with the specific resin matrix are verified during formulation development.
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E-mail: wangxingqiang@ericwchem.com
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