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High thermal stability suitable for processing temperatures up to 280 °C.
Excellent lightfastness and weather resistance (Xenon arc test, ISO 11341:2019, Grade 7–8).
Good dispersibility in polyolefin and engineering thermoplastic matrices without additional dispersants.
Low migration tendency in food-contact-compliant polymer applications (EU No. 10/2011 compliant).
Consistent batch-to-batch color reproducibility with narrow ΔE tolerance (< 0.5 under D65 illumination).
Coloration of polypropylene (PP) automotive interior components.
Pigmenting high-density polyethylene (HDPE) containers for household and industrial use.
Masterbatch formulation for ABS and PC/ABS blends in electronics housings.
Color concentrates for thin-wall packaging films requiring UV stability.
Thermoplastic elastomer (TPE) applications in consumer goods and medical device housings.
| Chemical Type | Organic pigment – Benzimidazolone derivative |
| Product Form | Free-flowing granular concentrate |
| Appearance | Reddish-brown free-flowing granules |
| Primary Applications | Polyolefins, engineering plastics, TPEs |
| Key Features | Thermal stability, low extractables, high opacity |
| Benefits | Reduced need for stabilizer packages, excellent processability in extrusion |
| Regulatory Compliance | EU REACH registered; FDA 21 CFR 178.3290 compliant for indirect food contact |
| Recommended Loading Range | 0.5–3.0 wt% depending on substrate and opacity requirement |
Q1: What is the primary application area for BASF R-K 3430K Pigment?
A: BASF R-K 3430K is a high-performance organic pigment dispersion specifically developed for use in water-based industrial coatings, including architectural paints, wood finishes, and general-purpose protective coatings where excellent color strength, gloss retention, and compatibility with acrylic and vinyl dispersions are required.
Q2: Is R-K 3430K suitable for exterior applications?
A: Yes — it offers good lightfastness and weather resistance when formulated into appropriate resin systems and applied as part of a well-designed coating system. Performance in exterior exposure depends on film thickness, binder selection, and overall formulation stability.
Q3: How should R-K 3430K be incorporated into a coating formulation?
A: It is supplied as a stable aqueous dispersion and is typically added during the let-down stage. Gentle mixing is recommended to avoid air entrapment or shear-induced destabilization. Pre-dilution with deionized water may be used to aid uniform incorporation, depending on viscosity requirements.
Q4: Does R-K 3430K contain heavy metals or restricted substances?
A: R-K 3430K is formulated without lead, mercury, cadmium, or hexavalent chromium, and complies with major global regulatory expectations for consumer-facing and industrial coatings. Full compliance documentation is available upon request from BASF technical support.
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