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High solids content for reduced VOC emissions and improved coating efficiency.
Excellent chemical resistance to solvents, cleaning agents, and mild acids.
Superior flexibility and impact resistance without compromising hardness.
Good compatibility with acrylic and polyester co-resins in hybrid systems.
Optimized for ambient- and low-bake curing, supporting energy-efficient production.
Automotive clearcoats and topcoats requiring high gloss and durability.
Industrial maintenance coatings for metal substrates in harsh environments.
General-purpose protective coatings for agricultural and construction equipment.
Refinish coatings where fast drying and sandability are critical.
Plastic coatings requiring adhesion to PP, ABS, and PC substrates.
| Chemical Type | Aliphatic polyurethane resin (OH-functional) |
| Product Form | Liquid |
| Appearance | Clear to pale yellow viscous liquid |
| Solids Content (wt%) | 65 ± 2 % |
| Hydroxyl Value (mg KOH/g) | 180–200 |
| Viscosity (25°C, mPa·s) | 4,000–6,000 |
| Specific Gravity (25°C) | 1.04–1.07 |
| Primary Applications | Two-component polyurethane topcoats and clearcoats |
Q1: What is the primary function of DAOTAN TW 6466/36WA in polyurethane coating systems?
A: DAOTAN TW 6466/36WA is a water-dispersible polyurethane resin designed to serve as a film-forming binder and performance modifier—enhancing flexibility, abrasion resistance, and substrate adhesion in aqueous PU coatings for flexible substrates such as leather, textiles, and synthetic films.
Q2: Is DAOTAN TW 6466/36WA compatible with common co-binders and additives used in waterborne coatings?
A: Yes—it demonstrates good compatibility with acrylic emulsions, melamine-formaldehyde crosslinkers, and typical rheology modifiers, defoamers, and wetting agents used in industrial waterborne formulations. Compatibility testing under specific formulation conditions is recommended prior to full-scale use.
Q3: How should DAOTAN TW 6466/36WA be stored and handled to maintain stability?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from freezing and direct sunlight. Avoid prolonged exposure to high humidity or contamination. The product is supplied as a stable aqueous dispersion and does not require special handling beyond standard industrial hygiene practices for waterborne systems.
Q4: Can DAOTAN TW 6466/36WA be used in applications requiring low-VOC or solvent-free compliance?
A: Yes—this resin is formulated as a VOC-compliant, water-based system and contains no added organic solvents. It supports the development of low-VOC and solvent-free coating solutions aligned with current environmental and regulatory expectations for industrial and consumer-facing applications.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
