English
Español
tiếng việt
русский
Low-VOC, environmentally compliant formulation meeting global regulatory standards for waterborne coatings.
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 acrylic emulsions and common waterborne additives for formulation versatility.
Stable storage performance with shelf life exceeding 12 months at 5–30°C in sealed containers.
High-performance waterborne wood coatings for furniture and interior joinery.
Leather finishing topcoats requiring soft hand feel and hydrolytic stability.
Industrial plastic coatings for electronics housings and automotive interior trim.
Water-based ink binders for flexible packaging and label printing.
Textile coating systems demanding breathability, wash-fastness, and elasticity.
| Chemical Type | Anionic aliphatic polyester-based polyurethane dispersion |
| Product Form | Opaque white to light yellow aqueous dispersion |
| Appearance | Homogeneous liquid, free of visible particles or gel |
| Solids Content (wt%) | 30.0 ± 1.0% |
| pH Value (at 25°C) | 7.8 – 8.5 |
| Viscosity (mPa·s, Brookfield RVT, #2 spindle, 20 rpm) | 150 – 400 |
| Particle Size (D50, nm) | 80 – 120 |
| Minimum Film Formation Temperature (MFFT) | 15°C |
Q1: What are the primary application areas for Chan Chem L-2812?
A: Chan Chem L-2812 is widely used in water-based industrial coatings, including flexible packaging inks, leather finishing systems, and textile coatings where excellent film flexibility, abrasion resistance, and adhesion to low-energy substrates are required.
Q2: Is L-2812 compatible with common waterborne acrylic or polyester dispersions?
A: Yes, L-2812 demonstrates good compatibility with many standard waterborne acrylic and polyester dispersions, enabling hybrid formulations that balance hardness, elasticity, and chemical resistance—compatibility testing under actual formulation conditions is recommended prior to scale-up.
Q3: How should L-2812 be stored and handled to maintain stability?
A: Store in sealed containers at temperatures between 5 °C and 35 °C, away from direct sunlight and freezing conditions. Avoid prolonged exposure to high humidity during handling, and ensure proper agitation before use if sedimentation occurs after extended storage.
Q4: Can L-2812 be crosslinked with external agents to enhance performance?
A: Yes, L-2812 contains reactive functional groups that allow it to be effectively crosslinked with water-dispersible aziridines, carbodiimides, or polyisocyanates, improving solvent resistance, thermal stability, and mechanical durability in final films.
Q5: Does L-2812 require neutralization or pH adjustment before incorporation into a formulation?
A: L-2812 is supplied as a stable anionic dispersion with a typical pH range of 7.5–9.0 and generally does not require additional neutralization; however, pH adjustment may be needed when blending with highly acidic or alkaline components to prevent destabilization.
Contact With Us:
E-mail: wangxingqiang@ericwchem.com
Have a Questions? Call Us:
Add:
Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
