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High thermal stability up to 800°C, ensuring color integrity during high-temperature processing.
Excellent lightfastness and weather resistance, maintaining vibrant red hue under prolonged UV exposure.
Non-toxic and heavy-metal-free formulation compliant with global regulatory standards including EN 71-3 and RoHS.
Superior dispersibility in aqueous and solvent-based systems without requiring additional surfactants.
Consistent particle size distribution for uniform color development and minimal batch-to-batch variation.
Ceramic glazes and frits for tableware and architectural tiles.
High-performance coatings for industrial equipment and automotive refinishes.
Engineering plastics including polyamide (PA) and polyphenylene sulfide (PPS).
Specialty inks for heat-transfer printing and ceramic decals.
Colored concrete and precast architectural elements.
| Chemical Type | Calcium Molybdate-based Complex Inorganic Colored Pigment (CICP) |
| Product Form | Fine, free-flowing powder |
| Appearance | Brilliant red powder with slight orange undertone |
| Primary Applications | Ceramics, high-temperature coatings, engineering plastics, specialty inks |
| Key Features | Thermal stability, lightfastness, chemical inertness, non-volatility |
| Benefits | Color consistency, regulatory compliance, process compatibility, low dust generation |
| Storage Conditions | Store in dry, cool, well-ventilated area; avoid moisture absorption |
| Shelf Life | 24 months from date of manufacture under recommended storage |
Q1: What is the primary chemical composition of CATHAYPURE Red R2135?
A: CATHAYPURE Red R2135 is an iron oxide-based inorganic pigment, primarily composed of hematite (α-Fe₂O₃), engineered for high color strength, thermal stability, and chemical inertness in demanding industrial applications.
Q2: Is this pigment suitable for use in food-contact plastics or coatings?
A: CATHAYPURE Red R2135 is not certified for direct food-contact applications. It is formulated for general-purpose industrial uses including construction materials, architectural coatings, and non-food packaging—always verify regulatory compliance with local authorities prior to use in regulated segments.
Q3: How does R2135 perform under high-temperature processing conditions?
A: As a thermally stable inorganic pigment, R2135 maintains its color integrity and structural properties during typical polymer processing (e.g., extrusion, injection molding) and ceramic firing up to approximately 1000°C, making it well-suited for heat-intensive manufacturing environments.
Q4: Can R2135 be dispersed effectively in water-based systems?
A: Yes—R2135 can be successfully dispersed in aqueous media using conventional wetting agents and dispersers. Optimal dispersion typically requires mechanical energy input (e.g., high-speed stirring or bead milling) and formulation-specific surfactant selection to ensure stability and uniform color development.
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E-mail: wangxingqiang@ericwchem.com
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