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High chroma and clean bluish-red shade with excellent color strength.
Outstanding thermal stability suitable for high-temperature processing up to 280 °C.
Good lightfastness and weather resistance in demanding outdoor applications.
Excellent dispersibility in both polar and non-polar polymer systems.
Compliant with major global regulatory frameworks including REACH and RoHS.
Polyolefin masterbatches (PP, PE) for automotive interior components.
Engineering plastics including ABS, PS, and PC for consumer electronics housings.
Food-contact-compliant packaging films requiring FDA-listed pigments.
Coatings for industrial appliances and exterior architectural finishes.
Thermoplastic elastomers (TPE) used in medical device housings and seals.
| Chemical Type | Azo pigment (Disazo) |
| Product Form | Free-flowing powder |
| Appearance | Reddish-brown powder |
| Primary Applications | Polymer coloring, coatings, inks |
| Key Features | High tinctorial strength, low dusting, good heat stability |
| Benefits | Consistent batch-to-batch color, efficient dispersion, reduced processing energy |
| Regulatory Status | EU REACH registered; compliant with FDA 21 CFR §178.3297 for polyolefins |
| pH Value (5% aqueous suspension) | 6.5–7.5 |
Q1: What is the primary chemical class of Sanolin Red N-6B?
A: Sanolin Red N-6B is a high-performance azo pigment, specifically classified as a condensed azo pigment, offering strong tinting strength and good thermal stability for demanding polymer processing conditions.
Q2: Is Sanolin Red N-6B suitable for food-contact plastics?
A: This pigment is designed for use in plastics applications where regulatory compliance is required; however, suitability for food-contact applications depends on final formulation, processing conditions, and regional regulatory evaluation. Users must verify compliance with applicable local regulations through full system testing and documentation.
Q3: How does Sanolin Red N-6B perform during high-shear compounding or injection molding?
A: It demonstrates excellent process stability under typical high-shear compounding and injection molding conditions, with minimal color shift or degradation when processed within recommended temperature limits for polyolefins and engineering thermoplastics.
Q4: What types of polymers is Sanolin Red N-6B commonly used in?
A: It is widely employed in polyolefins (e.g., PP, PE), ABS, PS, and certain engineering plastics, where balanced dispersibility, heat resistance, and lightfastness are required. Performance may vary depending on polymer polarity and processing history.
Q5: What is the typical dosage range for Sanolin Red N-6B in plastic masterbatches?
A: Dosage depends on the desired shade intensity and base polymer, but it is generally used at low concentrations—typically ranging from 0.1% to 2% by weight in final plastic articles—due to its high tinctorial strength and efficient dispersion characteristics.
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