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Low-VOC, environmentally compliant formulation meeting global regulatory standards including REACH and EPA guidelines.
Excellent film-forming capability with high gloss retention and superior clarity after drying.
Outstanding flexibility and abrasion resistance, maintaining integrity under repeated mechanical stress.
Good compatibility with acrylics, cellulose derivatives, and common waterborne additives.
Stable dispersion at pH 7.5–8.5 and compatible with standard industrial coating equipment.
High-performance waterborne wood coatings for furniture and flooring.
Leather finishing topcoats requiring soft hand feel and scuff resistance.
Flexible packaging laminating adhesives for food-contact-safe structures.
Industrial maintenance coatings for metal substrates in mild-corrosion environments.
Textile coating binders enabling wash-fastness and breathability in technical fabrics.
| Chemical Type | Anionic aliphatic polyurethane dispersion |
| Product Form | Opaque white liquid |
| Appearance | Homogeneous milky dispersion, free of sediment or gel particles |
| Solids Content (wt%) | 30.0 ± 1.0% |
| pH (25°C) | 7.8–8.3 |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm) | 150–350 |
| Particle Size (D50, nm) | 80–120 |
| Minimum Film Formation Temperature (MFFT) | 12–15°C |
Q1: What are the primary application areas for Chan Chem L-2851?
A: Chan Chem L-2851 is widely used in waterborne coatings requiring excellent film flexibility, abrasion resistance, and adhesion to diverse substrates — particularly in leather finishing, textile coatings, wood topcoats, and flexible plastic films.
Q2: Can L-2851 be blended with other waterborne resins or additives?
A: Yes, L-2851 demonstrates good compatibility with common waterborne acrylics, polyacrylates, and crosslinkers such as aziridines or carbodiimides. Compatibility testing under actual formulation conditions is recommended prior to scale-up.
Q3: How should L-2851 be stored and handled to maintain stability?
A: Store in tightly sealed containers at temperatures between 5°C and 35°C, away from freezing and direct sunlight. Avoid prolonged exposure to high humidity or contamination with incompatible solvents or metal ions, which may affect colloidal stability.
Q4: Does L-2851 require post-crosslinking for optimal performance?
A: While L-2851 forms functional films upon ambient drying, enhanced chemical resistance and mechanical durability are typically achieved through thermal curing or addition of suitable crosslinking agents — especially in demanding end-use environments.
Q5: Is L-2851 suitable for low-VOC or eco-label compliant formulations?
A: Yes — as a waterborne dispersion with negligible organic solvent content, L-2851 supports the development of low-VOC coating systems aligned with major environmental certification frameworks, provided all co-formulants meet equivalent criteria.
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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
