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High chroma, transparent yellow shade with excellent lightfastness and weather resistance.
Optimized for compatibility with a broad range of thermoplastics including PP, PE, PS, and ABS.
Low migration and bleed resistance, ensuring color stability in demanding processing conditions.
Consistent batch-to-batch color reproducibility supported by Clariant’s stringent quality control.
Ready-to-use liquid color paste format enabling precise dosing and efficient dispersion in extrusion and injection molding.
Automotive interior components requiring durable, non-fading yellow tones.
Packaging films and containers where transparency and clarity are critical.
Consumer electronics housings needing high-gloss, defect-free surface appearance.
Household appliances with exposed plastic parts subject to UV exposure and thermal cycling.
Medical device enclosures requiring ISO 10993-compliant colorants (subject to formulation review).
| Chemical Type | Organic-inorganic hybrid pigment dispersion |
| Product Form | Liquid color paste (carrier: mineral oil & polymeric dispersant) |
| Appearance | Homogeneous, free-flowing yellow liquid |
| Primary Applications | Thermoplastic coloring (PP, PE, PS, ABS) |
| Key Features | Transparency, thermal stability up to 260°C, low extractables |
| Benefits | Reduced filtration pressure, improved melt flow, minimal impact on mechanical properties |
| Regulatory Compliance | EU REACH registered; compliant with FDA 21 CFR §178.3290 (for indirect food contact, when formulated accordingly) |
| Storage Conditions | Store at 10–30°C in original sealed container; avoid freezing and prolonged UV exposure |
Q1: What types of polymer systems is this color paste compatible with?
A: Hostatint Trans Oxide Yellow A-2R is specifically formulated for use in transparent or semi-transparent thermoplastic systems, including polycarbonate (PC), acrylic (PMMA), and certain polyesters. It is not recommended for opaque or highly crystalline resins where dispersion stability or hue consistency may be compromised.
Q2: How should the paste be incorporated into the base polymer?
A: For optimal dispersion and color uniformity, the paste is typically introduced during compounding—either via side-feeding into an extruder or pre-blended with polymer pellets using low-shear mixing. Pre-dilution with a compatible carrier resin is recommended when high dilution ratios are required.
Q3: Does this product offer good thermal stability during processing?
A: Yes—this oxide yellow paste is engineered to withstand standard thermoplastic processing temperatures up to approximately 300 °C without significant hue shift or decomposition, making it suitable for injection molding and extrusion of engineering plastics.
Q4: Is the paste suitable for applications requiring UV resistance?
A: As an inorganic oxide-based pigment system, Hostatint Trans Oxide Yellow A-2R provides inherently high UV stability and lightfastness, supporting long-term outdoor performance in transparent applications—though final durability also depends on the host polymer’s inherent UV resistance and any additional stabilizer package used.
Q5: What is the typical dosage range for achieving target shade intensity?
A: Dosage is formulation-dependent, but this paste is generally used at low concentrations—typically ranging from 0.1% to 2% by weight relative to the polymer matrix—to achieve full transparency with strong chromatic impact and minimal haze.
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