English
Español
tiếng việt
русский
High chroma and excellent color strength for vibrant, consistent shades.
Outstanding thermal stability up to 280 °C, suitable for high-temperature processing.
Good lightfastness (Grade 7–8 per ISO 105-B02) and weather resistance in demanding outdoor applications.
Excellent dispersion performance in both polar and non-polar polymer matrices.
Low volatility and negligible migration in polyolefins and engineering thermoplastics.
Polypropylene (PP) fibers and injection-molded automotive interior parts.
Polyethylene (PE) blow-molded containers and agricultural films.
Polycarbonate (PC) and ABS components for consumer electronics housings.
Masterbatches for color concentrates used in extrusion and thermoforming.
Engineering plastics requiring long-term color retention under UV exposure.
| Chemical Type | Quinacridone derivative (Pigment Violet 19) |
| Product Form | Free-flowing powder |
| Appearance | Violet-red fine powder |
| Primary Applications | Plastics (especially PP, PE, PC, ABS), masterbatches |
| Key Features | High thermal stability, low migration, excellent dispersibility |
| Benefits | Consistent batch-to-batch color, minimal plate-out, high processability |
| Recommended Processing Temperature Range | 200–280 °C |
| Lightfastness (ISO 105-B02) | 7–8 |
Q1: What is the primary application area for Clariant A4R Organic Pigment?
A: Clariant A4R is specifically developed for high-performance coloring of engineering thermoplastics, especially polyamide (PA6, PA66) and polyphenylene sulfide (PPS), where excellent thermal stability and dispersion behavior are required.
Q2: How does A4R perform under high-temperature processing conditions?
A: A4R exhibits outstanding thermal stability, enabling reliable use in melt processing operations such as injection molding and extrusion at temperatures commonly encountered with engineering plastics—typically up to 300 °C without significant hue shift or decomposition.
Q3: Is A4R suitable for food-contact applications?
A: A4R is not pre-approved for direct food-contact use. Its suitability for regulated applications depends on final formulation, processing conditions, and compliance verification by the compounder or end-user against applicable regional food-contact legislation.
Q4: What is the typical dosage range when using A4R in polymer compounds?
A: Dosage is formulation-dependent, but A4R is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—to achieve strong chroma and good opacity in engineering thermoplastics.
Q5: Does A4R require special handling or dispersion equipment during compounding?
A: A4R is designed for efficient incorporation using standard industrial compounding equipment. For optimal dispersion and color development, good distributive and dispersive mixing—such as provided by twin-screw extruders—is recommended; pre-blending with carrier resin may further enhance consistency.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
