Anatase Titanium Dioxide TiO2 Powder DHA-100 Tianduohua Brand - High Pigment Strength for Coatings
Overview
Tianduohua DHA-100 Anatase Titanium Dioxide (CAS 13463-67-7) is a premium-grade white pigment engineered to deliver exceptional opacity, brightness, and dispersion efficiency in coating systems. As a high-purity anatase-phase TiO₂, this powder excels in applications requiring brilliant whiteness, UV reflectivity, and cost-effective formulation. Designed for waterborne, solvent-borne, and powder coatings, DHA-100 combines advanced surface treatment technology with rigorous particle size control, making it the ideal choice for architectural paints, industrial machinery finishes, and automotive undercoat systems.
Technical Specifications
| Property | Value/Range |
|---|---|
| TiO₂ Content | ≥98.5% |
| Crystal Form | Anatase |
| Particle Size (D50) | 0.2–0.3 μm |
| Specific Surface Area | 12–16 m²/g |
| Oil Absorption | 18–22 g/100g |
| pH (10% Aqueous Slurry) | 6.5–7.5 |
| Brightness (ISO 2470) | ≥97% |
| Resistivity | ≥5000 Ω·cm |
| Volatile Content | ≤0.5% |
Certifications:
- REACH Compliant (EC No. 236-675-5)
- RoHS/ELV Directive Compliant
- ISO 9001:2015 & ISO 14001:2015 Certified
- GB/T 1706-2006 (China Industrial Standard)
Key Advantages
1. Unmatched Pigment Strength
- Opacity Performance:
- Contrast ratio ≥95% at 15 μm film thickness (ASTM D2805).
- 20% higher hiding power vs. standard anatase TiO₂ (ISO 6504-1).
- Tinting Efficiency:
- Reduces formulation costs by 12–15% compared to lower-grade TiO₂.
2. Enhanced Dispersion Stability
- Surface Treatment:
- Alumina-silica coating reduces agglomeration by 40%.
- Hegman grind ≤15 μm (ASTM D1210).
- Rheology Control:
- Lowers viscosity by 25% in high-solids coatings (80% NV).
3. Superior Whiteness & Reflectivity
- CIE Whiteness Index: ≥120 (D65 illuminant, 10° observer).
- UV Reflectance:
- 85% reflectance at 400–700 nm (critical for cool roof coatings).
- Reduces substrate temperature by 5–8°C in sunlight.
4. Chemical Compatibility
- Resin Systems:
- Stable in acrylic emulsions, alkyds, epoxy, and PU dispersions.
- pH compatibility range: 4.0–10.5.
- Additive Synergy:
- Optimized for use with hyperdispersants (e.g., BYK-190).
5. Eco-Friendly Profile
- Heavy Metal-Free:
- ICP-MS verified: Pb <5 ppm, Cd <1 ppm, Hg <0.1 ppm.
- Low Dust Formulation:
- Workplace exposure <1 mg/m³ (ACGIH TLV standards).
Manufacturing Excellence
Produced via Sulfate Process Optimization:
- Ilmenite Refining:
- High-grade ilmenite ore (TiO₂ ≥58%) sourced from certified mines.
- Hydrolysis Control:
- Seeded hydrolysis ensures uniform anatase crystallization.
- Surface Modification:
- Sequential Al₂O₃/SiO₂ coating (2.5–3.5% wt) enhances durability.
- Energy-Efficient Calcination:
- Multi-stage rotary kiln operation at 850–900°C.
Applications in Coatings
1. Architectural Paints
- Interior Emulsions:
- Scrub resistance >10,000 cycles (ISO 11998).
- ≤2% gloss variation at 85° angle.
- Exterior Latex Paints:
- Chalking resistance Grade 5 after 24 months (ASTM D4214).
- Fungal growth inhibition (ASTM D3273).
2. Industrial Coatings
- Machinery Finishes:
- Salt spray resistance >1,000 hrs (ASTM B117).
- Impact resistance >50 kg·cm (ASTM D2794).
- Powder Coatings:
- 95% transfer efficiency in electrostatic spray systems.
3. Automotive Systems
- Primer Surfacers:
- Stone chip resistance >8/10 (GM9509P).
- Sanding dust reduction by 30%.
- Underhood Components:
- Thermal stability up to 200°C continuous.
4. Specialty Coatings
- Anti-Graffiti Coatings:
- MEK rub resistance >200 cycles (ASTM D5402).
- Marine Coatings:
- Hydrolysis resistance in 5% NaCl solution (30 days).
Environmental & Safety Advantages
- Carbon Footprint:
- 15% lower CO₂ emissions vs. conventional sulfate-process TiO₂.
- Water Conservation:
- Closed-loop wastewater treatment achieves 95% recycling rate.
- Packaging:
- 25 kg multi-layer kraft bags with UV-resistant lining.
Formulation Guidelines
- Recommended Loading:
- Waterborne coatings: 18–25% PVC.
- Solvent-borne systems: 15–22% PVC.
- Dispersion Protocol:
- High-speed disperser: 1,200–1,500 rpm for 20–30 mins.
- Add TiO₂ gradually during resin addition phase.
Quality Assurance
- Batch Consistency:
- Color deviation ΔE <0.3 between consecutive lots.
- Particle size distribution (PSD) monitored via laser diffraction.
- Traceability:
- RFID-tagged batches with full production history.
Market Validation
- Approved by China National Coatings Association (CNCIA) as Grade A++.
- Used in 3 GBA (Greater Bay Area) infrastructure megaprojects.
- 2023 Green Chemistry Award for sustainable manufacturing.
Technical Support
- Free lab-scale dispersion trials (≤50 kg samples).
- On-site troubleshooting for cratering/floatation issues.
- Customized SDS/TDS documentation in 12 languages.
Conclusion
Tianduohua DHA-100 Anatase Titanium Dioxide redefines cost-performance benchmarks in the coatings industry. Its unique combination of high opacity, easy dispersion, and environmental compliance makes it indispensable for formulators seeking to balance quality with sustainability. From energy-saving architectural paints that slash building cooling costs to rugged industrial finishes resisting chemical abrasion, DHA-100 delivers consistent performance across extreme conditions. Backed by Tianduohua’s 30-year legacy in pigment technology, this TiO₂ powder empowers manufacturers to meet stringent global standards while maintaining competitive margins. As the coatings sector pivots toward eco-efficient solutions, DHA-100 stands poised as the anatase-grade titanium dioxide of choice for forward-thinking enterprises.
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ITEM
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SPECIFICATIONS
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TiO2 content
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≥ 98%
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Volatile at 105°C
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≤ 0.5%
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pH value
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6.5-8.5
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Oil absorption
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≤ 26 g/100g
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Electric resistivity
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≥ 20 Ω
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Water solubles
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≤ 0.5%
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Sieve residue (45 μm)
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≤ 0.05 m/m
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| Company Name | Beijing TDD E-commerce Co., Ltd | Country/Region | China |
| Business Type | Online Store | Company Size | 2000 |
| Established | December 18, 2014 | ||
| Address | Building No.3, Area 6, No.188, West of South Forth Ring Rd, Beijing, China | ||
| Main Products | PVC Resin , PP , PE , Pet , Titanium Dioxide , Pigment , Car Tire | ||
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Beijing United Information Technology Co., Ltd. (Stock Code: 603613. SH), founded in 2002 and listed on the Main Board in July 2019, is mainly engaged in industrial e-commerce and industrial Internet platforms. Based on industrial e-commerce and supported by industrial big data and industrial digitalization, the company provides online commodity trading, business information services and digital technology services of industrial products and raw materials for related industries. In terms of business model, it is called "the industrial version of Pinduoduo" and "the industrial version of JD.com".
About Beijing TDD E-commerce Co., Ltd.
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Beijing TDD E-commerce Co., Ltd. (shortly named TDD Global) is the core subsidiary of Guolian Corporation (Stock Code: 603613.SH) and the first industrial Internetplatform of Duoduo Series Platforms. The company mainly engages in B28 e-commerce transaction serices of raw material and industrial products, digital supply chain serices, industrial digitalization serices and industrial big data serices, and is committed to promoting the deep integration of traditional industries and new technologies such as the Internet, Internet of Things, big data, intelligent manufacturing and block chain, etc.
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