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High-opacity titanium dioxide-based white pigment dispersion for superior hiding power.
Optimized rheology for excellent compatibility and easy incorporation into water-based systems.
Low VOC formulation compliant with stringent environmental and regulatory requirements.
Consistent batch-to-batch color strength and stability under standard storage conditions.
Non-settling formulation with long-term storage stability (≥12 months unopened).
Architectural coatings including interior and exterior wall paints.
Industrial maintenance coatings for metal and concrete substrates.
Water-based wood finishes and varnishes.
Printing inks for packaging and labeling applications.
Plastic masterbatches for polyolefin and PVC compounds.
| Chemical Type | Titanium dioxide (TiO₂) dispersion in aqueous medium |
| Product Form | Paste (liquid concentrate) |
| Appearance | Opaque white, homogeneous paste |
| Primary Applications | Water-based coatings, inks, and plastic coloration |
| Key Features | High opacity, low viscosity, non-settling, low VOC |
| Benefits | Improved tinting strength, reduced formulation complexity, enhanced storage stability |
| Storage Conditions | Store at 5–30 °C; protect from freezing and direct sunlight |
| Shelf Life | 12 months from date of manufacture (unopened, under recommended conditions) |
Q1: What is the primary application field for Colanyl White R 500?
A: Colanyl White R 500 is specifically formulated for coloring polyolefin-based packaging materials, including flexible films, rigid containers, and caps—particularly where high whiteness, excellent dispersion, and thermal stability during extrusion or injection molding are required.
Q2: Is this color paste compatible with food-contact polyolefins?
A: Yes, Colanyl White R 500 is designed for use in food-contact applications compliant with global regulatory frameworks for plastics. It contains only pigments and carriers approved for indirect food contact in polyolefins, subject to final formulation validation and applicable regional requirements.
Q3: How should Colanyl White R 500 be incorporated into polyolefin compounds?
A: It is typically added directly to the polymer melt during extrusion or injection molding using standard gravimetric or volumetric dosing systems. Pre-blending with a portion of base resin prior to main compounding may improve dispersion uniformity, especially at lower dosage levels.
Q4: Does this paste offer resistance to migration or blooming in finished articles?
A: Thanks to its optimized carrier system and high-purity pigment selection, Colanyl White R 500 demonstrates low tendency toward migration or surface blooming under typical processing and storage conditions—provided it is properly dispersed and used within recommended dosage ranges.
Q5: What is the typical dosage range for achieving optimal whiteness and opacity?
A: Dosage depends on the base polymer, desired shade intensity, and processing method, but Colanyl White R 500 is generally effective at low concentrations—typically ranging from 0.1% to 2% by weight relative to the total compound.
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E-mail: wangxingqiang@ericwchem.com
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