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Highly dispersible rutile-type titanium dioxide with optimized surface treatment for superior compatibility in water-based and solvent-based systems.
Excellent optical performance including high hiding power, brightness, and chromatic stability under UV exposure.
Low oil absorption and narrow particle size distribution enabling smooth ink film formation and reduced viscosity in high-solids formulations.
Enhanced weather resistance and chalking resistance due to durable silica–alumina dual-coating technology.
Consistent batch-to-batch quality certified to ISO 9001 and REACH-compliant with full SDS and regulatory documentation support.
Architectural and industrial waterborne coatings requiring long-term color retention and gloss stability.
High-performance coil coatings for metal roofing, cladding, and appliance finishes.
Pigmented inks for flexographic and gravure printing on packaging substrates.
Plastic masterbatches for extrusion-grade polyolefins and PVC compounds.
Automotive refinish basecoats and clearcoat systems demanding low haze and high DOI (Distinctness of Image).
| Chemical Type | Rutile Titanium Dioxide (TiO₂) with SiO₂/Al₂O₃ composite surface treatment |
| Product Form | Fine, free-flowing dry powder |
| Appearance | White to off-white powder, non-hygroscopic |
| Primary Applications | Waterborne & solventborne coatings, inks, plastics, and sealants |
| Key Features | High dispersibility, low abrasivity, excellent lightfastness, and thermal stability up to 200 °C |
| Benefits | Reduced grinding time, improved tinting strength, enhanced durability in exterior exposure |
| Regulatory Status | REACH registered, EU EINECS listed, VOC-compliant, non-hazardous per GHS classification |
Q1: What is the primary function of Venator Sachtleben HDS Pigment in polymer systems?
A: Venator Sachtleben HDS Pigment is a high-dispersion, surface-treated titanium dioxide pigment designed to deliver exceptional color strength, opacity, and uniform distribution in demanding polymer applications—especially where thermal stability and low agglomeration are critical.
Q2: Is HDS Pigment suitable for use in food-contact plastics?
A: While HDS Pigment is manufactured under strict quality controls and complies with general regulatory expectations for pigments in polymers, formal approval for food-contact applications depends on final formulation, processing conditions, and regional regulatory assessment. Users must conduct their own compliance verification per applicable local requirements.
Q3: How does the HDS grade differ from standard titanium dioxide pigments in masterbatch production?
A: The HDS (High Dispersion Stability) grade features optimized particle surface chemistry and controlled agglomerate size distribution, enabling faster wetting, reduced energy input during compounding, and improved consistency in high-speed masterbatch extrusion—particularly beneficial for thin-gauge or high-clarity applications.
Q4: What types of polymers is HDS Pigment most commonly used with?
A: HDS Pigment demonstrates strong performance in polyolefins (PP, PE), engineering thermoplastics (e.g., ABS, PS), and certain high-temperature resins. Compatibility and dispersion efficiency should be confirmed through application-specific trials due to variations in resin polarity, melt viscosity, and processing temperature.
Q5: What is the recommended handling approach to maintain optimal dispersion performance?
A: To preserve dispersion integrity, store HDS Pigment in dry, cool conditions and avoid prolonged exposure to moisture or mechanical shear prior to incorporation. Pre-drying is generally not required, but ensuring resin dryness and optimizing screw design for gentle yet thorough mixing is advised.
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E-mail: wangxingqiang@ericwchem.com
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