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Highly concentrated iron oxide-based pigment dispersion for efficient coloration with low dosage requirements.
Excellent lightfastness and weather resistance suitable for outdoor applications.
Good thermal stability enabling processing at elevated temperatures typical in polymer compounding.
Optimized rheology for easy incorporation into water- and solvent-based systems without regrinding.
Consistent batch-to-batch color reproducibility supported by Clariant’s stringent quality control.
Coloration of architectural coatings and exterior wall paints.
Pigmenting PVC profiles, window frames, and siding compounds.
Coloring construction mortars, tile adhesives, and cement-based renders.
Use in industrial wood coatings requiring durable red oxide tones.
Functional coloring of thermoplastic elastomers (TPE) and rigid polyolefin parts.
| Chemical Type | Iron oxide (Fe₂O₃) pigment dispersion |
| Product Form | Non-volatile, viscous liquid paste |
| Appearance | Uniform reddish-brown paste, free of grit or sediment |
| Primary Applications | Architectural coatings, construction materials, plastics, and industrial finishes |
| Key Features | High opacity, excellent dispersibility, alkali-stable |
| Benefits | Reduced formulation complexity, improved color consistency, lower VOC impact vs. dry pigments |
| Compatible Media | Water-based, solvent-based, and plasticizer-containing systems |
| Storage Stability | 12 months at 5–30 °C in sealed original packaging |
Q1: What is the primary application of Hostatint Oxide Red A-B 100?
A: Hostatint Oxide Red A-B 100 is a highly concentrated, solvent-free color paste designed primarily for coloring polyolefin compounds—especially PP and HDPE—in applications such as automotive interior parts, consumer goods, and industrial packaging where excellent thermal stability and dispersion performance are required.
Q2: Is this product suitable for food-contact applications?
A: Hostatint Oxide Red A-B 100 is formulated without heavy metals or restricted aromatic amines and is intended for use in non-food-contact applications. For food-contact compliance, customers must consult Clariant’s regulatory documentation and conduct final formulation-specific testing per applicable regional requirements.
Q3: How does this paste perform during high-temperature processing?
A: The paste exhibits good thermal stability up to typical polyolefin processing temperatures (e.g., extrusion and injection molding), with minimal color shift or degradation when properly dispersed. Its oxide-based pigment system contributes to robust heat resistance and low volatility under standard processing conditions.
Q4: What is the recommended dosage range for optimal color development?
A: Dosage depends on the desired shade intensity and base polymer characteristics, but it is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—due to its high pigment loading and efficient dispersion properties.
Q5: Can this color paste be mixed with other Hostatint pastes?
A: Yes, Hostatint Oxide Red A-B 100 is fully compatible with other Hostatint color pastes based on similar carrier systems. However, for critical applications, we recommend conducting compatibility and stability trials to confirm uniform dispersion and absence of adverse interactions in the final compound.
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E-mail: wangxingqiang@ericwchem.com
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