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Excellent lightfastness and weather resistance for long-term color stability.
High tinctorial strength with efficient pigment utilization and reduced dosage requirements.
Good dispersibility in aqueous and solvent-based systems without requiring complex surfactant packages.
Compliant with major global regulatory frameworks including REACH and FDA 21 CFR for applicable applications.
Consistent batch-to-batch color reproducibility supported by BASF’s stringent quality control protocols.
Water-based architectural coatings and interior/exterior wall paints.
Industrial maintenance coatings for metal and concrete substrates.
Printing inks for packaging and commercial printing (offset, flexo, gravure).
Plastic coloration for polyolefins and PVC compounds.
Specialty inks for textile printing and digital inkjet formulations.
| Chemical Type | Polycyclic organic pigment (e.g., quinacridone or diketopyrrolopyrrole derivative) |
| Product Form | Free-flowing powder or pre-dispersed paste (WGP grade) |
| Appearance | Fine, uniform powder with characteristic hue and low dust generation |
| Primary Applications | Coatings, inks, and plastics requiring high chroma and durability |
| Key Features | Non-bleeding, thermally stable up to 220°C (short-term), pH-stable in range 4–10 |
| Benefits | Reduced formulation complexity, extended service life, lower environmental impact vs. heavy-metal pigments |
| Regulatory Status | REACH registered; compliant with EU Directive 2009/148/EC for occupational exposure |
| Storage Conditions | Store in cool, dry place below 30°C; protect from moisture and direct sunlight |
Q1: What is the primary advantage of BASF WGP Organic Pigments compared to conventional organic pigments?
A: BASF WGP (Water-Grindable Paste) Organic Pigments offer improved dispersibility in aqueous systems, enabling easier handling, reduced dust generation, and more consistent color development without requiring high-shear pre-dispersion steps.
Q2: Are WGP pigments suitable for use in water-based industrial coatings?
A: Yes — WGP formulations are specifically engineered for compatibility with waterborne acrylics, polyurethanes, and alkyd emulsions, delivering excellent stability, gloss retention, and resistance to flocculation under typical coating processing conditions.
Q3: How should WGP pigments be incorporated into a formulation?
A: They are typically added during the let-down or post-addition stage using low-to-moderate shear mixing. Pre-dilution with water or co-solvent may be used to facilitate uniform distribution, depending on the rheology and pH of the base system.
Q4: Do WGP pigments require special storage conditions?
A: Store in sealed containers at temperatures between 5 °C and 30 °C, away from freezing and direct sunlight. Prolonged exposure to elevated temperatures or repeated freeze-thaw cycles may affect viscosity and dispersion stability.
Q5: Can WGP pigments be used in combination with inorganic pigments or effect pigments?
A: Yes — WGP organic pigments are generally compatible with common inorganic pigments (e.g., titanium dioxide, iron oxides) and many effect pigments when formulated with appropriate stabilizers and pH control; compatibility testing is recommended for critical applications.
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E-mail: wangxingqiang@ericwchem.com
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