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High chroma, clean red shade with excellent color strength and batch-to-batch consistency.
Outstanding lightfastness and weather resistance suitable for demanding outdoor applications.
Excellent thermal stability up to 280 °C, enabling compatibility with high-temperature polymer processing.
Good dispersibility in both polar and non-polar media, facilitating efficient incorporation into diverse resin systems.
Compliant with major global regulatory frameworks including REACH, RoHS, and FDA 21 CFR for applicable uses.
Automotive exterior plastics (e.g., bumpers, grilles, trim components).
Engineering thermoplastics such as polyamide (PA), polypropylene (PP), and polycarbonate (PC).
Industrial coatings requiring durable, fade-resistant red coloration.
Consumer electronics housings and appliance components.
Outdoor architectural profiles and cladding materials.
| Chemical Type | Organic pigment (Benzimidazolone derivative) |
| Product Form | Fine powder |
| Appearance | Reddish-brown free-flowing powder |
| Primary Applications | Polymer coloring, industrial coatings, masterbatches |
| Key Features | High heat stability, excellent lightfastness, good dispersibility |
| Benefits | Consistent hue, low migration, minimal impact on mechanical properties |
| Regulatory Status | REACH registered; compliant with EU Directive 2002/61/EC |
| Storage Conditions | Store in cool, dry place below 30 °C; protect from moisture and direct sunlight |
Q1: What is the primary application area for Sanodal Red B3LW?
A: Sanodal Red B3LW is a high-performance organic pigment specifically developed for use in solvent-based and water-based industrial coatings, including coil coatings, automotive refinishes, and general metal finishing systems where strong red hue, excellent lightfastness, and good dispersion stability are required.
Q2: Is Sanodal Red B3LW suitable for food-contact coatings?
A: Sanodal Red B3LW is not certified for direct food-contact applications. It is intended for industrial and decorative coating systems where regulatory compliance for food contact is not required. For such uses, consult Clariant’s portfolio of FDA- or EFSA-compliant pigments.
Q3: How should Sanodal Red B3LW be dispersed in coating formulations?
A: Optimal performance is achieved through high-shear dispersion using standard industrial equipment (e.g., dissolvers, bead mills, or three-roll mills). Pre-wetting with compatible solvents or resins is recommended to ensure complete deagglomeration and stable pigment distribution.
Q4: Does Sanodal Red B3LW exhibit good resistance to weathering and UV exposure?
A: Yes — Sanodal Red B3LW delivers very good lightfastness and moderate to good weather resistance in typical coating matrices, especially when used with appropriate UV stabilizers and protective clearcoats. Performance may vary depending on film thickness, binder system, and exposure conditions.
Q5: What is the typical dosage range for Sanodal Red B3LW in coating systems?
A: Dosage depends on the desired color strength and formulation requirements, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight relative to total formulation solids.
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E-mail: wangxingqiang@ericwchem.com
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