High-solids, low-viscosity unsaturated polyester resin for excellent processability in spray and flow-coating applications.
Optimized for fast cure kinetics with standard peroxide initiators, enabling high throughput in industrial coating lines.
Delivers outstanding gloss retention and UV resistance in outdoor-exposed coated substrates.
Provides excellent adhesion to galvanized steel, aluminum, and pre-treated metal surfaces without primer.
Formulated with low styrene emission profile to support VOC-compliant finishing systems.
Coil coatings for architectural and industrial metal roofing and wall panels.
Prefinished metal (PFM) coatings for HVAC components and appliance housings.
Exterior-grade metal furniture and garden equipment finishes.
Transportation interior trim coatings requiring durability and aesthetic consistency.
General-purpose industrial maintenance coatings for metal structures and enclosures.
| Chemical Type | Unsaturated polyester resin |
| Product Form | Liquid, ready-to-use |
| Appearance | Clear to pale yellow viscous liquid |
| Solids Content (wt%) | ≈ 98–99% |
| Viscosity (mPa·s, 25°C) | 400–600 |
| Density (g/cm³, 25°C) | 1.08–1.12 |
| Primary Applications | High-performance coil and prefabricated metal coatings |
| Key Features | Fast cure, high gloss, UV stability, metal adhesion |
Q1: What is the primary function of ROSKYDAL K 27 1 in polyester-based coating systems?
A: ROSKYDAL K 27 1 functions as a reactive diluent and viscosity modifier, enabling improved flow, leveling, and film formation while maintaining crosslink density in unsaturated polyester and vinyl ester resin systems.
Q2: Is ROSKYDAL K 27 1 compatible with common free-radical initiators used in ambient- or heat-cured polyester coatings?
A: Yes, ROSKYDAL K 27 1 is fully compatible with standard peroxide initiators such as MEKP and BPO, and supports both room-temperature and elevated-temperature cure profiles without adverse reactivity interference.
Q3: How does ROSKYDAL K 27 1 affect the mechanical properties of cured polyester films?
A: When properly formulated, it contributes to enhanced flexibility and impact resistance without significantly compromising hardness or chemical resistance—offering a balanced profile suitable for demanding industrial and decorative applications.
Q4: Can ROSKYDAL K 27 1 be used in high-solids or low-VOC polyester formulations?
A: Yes, its low volatility and high reactivity make it well-suited for high-solids polyester systems targeting reduced VOC emissions, supporting compliance with evolving environmental regulations without sacrificing processability.
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