High chroma green shade with excellent lightfastness and weather resistance.
Optimized for dispersion stability in aqueous and solvent-based systems.
Low migration behavior, suitable for demanding packaging and food-contact applications.
Consistent batch-to-batch color reproducibility and rheological performance.
Compatible with common polymer carriers including polyolefins, PS, and ABS.
Polypropylene (PP) and polyethylene (PE) injection-molded consumer goods.
Rigid packaging containers requiring FDA-compliant colorants.
Automotive interior components exposed to UV and thermal stress.
Household appliances with high-gloss surface finish requirements.
Technical films and extruded profiles where color consistency is critical.
| Chemical Type | Organic pigment dispersion (Hostaperm® B2G) |
| Product Form | Paste (solvent-free, water-based) |
| Appearance | Homogeneous green paste, free of lumps and grit |
| Primary Applications | Polyolefins, polystyrene, ABS, and engineering plastics |
| Key Features | High tinctorial strength, low volatility, non-bleeding |
| Benefits | Reduced formulation complexity, improved processing stability, compliance-ready |
| Regulatory Status | Compliant with EU REACH; meets FDA 21 CFR §178.3290 for food-contact polymers |
| Storage Conditions | Store at 15–25°C; protect from freezing and direct sunlight |
Q1: What is the primary application field for Hostaperm B2G Color Paste?
A: Hostaperm B2G Color Paste is specifically developed for high-performance coloring of engineering thermoplastics—especially polyamide (PA6, PA66), polybutylene terephthalate (PBT), and polyphenylene sulfide (PPS)—in demanding applications such as automotive under-hood components, electrical connectors, and industrial parts requiring excellent thermal stability and color consistency.
Q2: How does Hostaperm B2G perform under high-temperature processing conditions?
A: Hostaperm B2G exhibits outstanding thermal stability, retaining its chromatic integrity during melt processing at temperatures up to 300 °C. It shows minimal color shift or degradation in standard injection molding and extrusion processes for engineering plastics, making it suitable for multi-step or high-shear compounding operations.
Q3: Is Hostaperm B2G compatible with glass-fiber reinforced polyamides?
A: Yes, Hostaperm B2G demonstrates excellent compatibility and dispersion stability in glass-fiber reinforced polyamide systems. It maintains uniform color distribution without agglomeration or plate-out, even in formulations containing up to 50% glass fiber, and supports consistent batch-to-batch color matching.
Q4: What is the typical dosage range for achieving full opacity or strong chroma in engineering plastics?
A: Dosage depends on the base polymer, desired shade depth, and opacity requirements—but Hostaperm B2G is typically used at low concentrations due to its high tinctorial strength. For deep, opaque shades in polyamide or PBT, effective loading generally ranges from 0.1% to 2% by weight relative to the polymer matrix.
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