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High chroma, clean yellow shade with excellent lightfastness and weather resistance.
Optimized for high-solids and low-VOC formulations without compromising dispersion stability.
Excellent compatibility with common acrylic, polyester, and alkyd resin systems.
Consistent batch-to-batch color reproducibility supported by Clariant’s stringent quality control.
Low heavy metal content, compliant with major global regulatory frameworks including EU REACH and US EPA guidelines.
Automotive OEM and refinish coatings.
Industrial maintenance and coil coating systems.
Architectural and decorative solvent-based and waterborne paints.
Plastic coloration for extrusion and injection molding (PVC, ABS, PS).
Printing inks for packaging and industrial labeling applications.
| Chemical Type | Azo pigment-based color paste |
| Product Form | Liquid color paste (solvent-based) |
| Appearance | Homogeneous, viscous paste; bright yellow hue |
| Primary Applications | Coatings, plastics, inks |
| Key Features | High tinctorial strength, good heat stability up to 180°C |
| Benefits | Reduced dosage requirement, improved gloss retention in cured films |
| Recommended Dispersing Medium | Aromatic hydrocarbons or aliphatic solvents (e.g., xylene, VM&P naphtha) |
| Storage Conditions | Store in original sealed container at 15–25°C; avoid freezing and prolonged UV exposure |
Q1: What is the primary application field for Hostafine Yellow SP-HR 30?
A: Hostafine Yellow SP-HR 30 is specifically developed for high-performance coloring of thermoplastic polymers, especially polyolefins (PP, PE) and engineering plastics such as ABS, PS, and PC, where excellent heat stability, dispersion, and color strength are required.
Q2: How does SP-HR 30 differ from other Hostafine Yellow pastes?
A: SP-HR 30 is formulated with enhanced thermal stability and rheological properties optimized for high-shear compounding and direct injection molding. Its “HR” designation indicates superior resistance to degradation at elevated processing temperatures compared to standard Hostafine Yellow pastes.
Q3: Is this paste suitable for food-contact or medical-grade applications?
A: Hostafine Yellow SP-HR 30 is not pre-qualified for food-contact or medical use by default. Its suitability depends on final formulation, processing conditions, and regulatory evaluation by the end-user. Clariant provides supporting documentation upon request to assist with compliance assessments.
Q4: What is the recommended dosage range in polymer systems?
A: Dosage is formulation-dependent but generally ranges from 0.1% to 2% by weight, depending on the desired shade intensity, polymer type, and processing method. It is typically used at low concentrations due to its high pigment loading and strong tinting strength.
Q5: Can SP-HR 30 be mixed with other Hostafine pastes or masterbatches?
A: Yes — SP-HR 30 is chemically compatible with other Hostafine color pastes and most commercial polymer masterbatches. However, compatibility testing under actual processing conditions is recommended to ensure uniform dispersion and avoid potential interactions affecting color consistency or stability.
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