English
Español
tiếng việt
русский
High reactivity with standard amine and anhydride hardeners for rapid cure at ambient or elevated temperatures.
Excellent chemical resistance to alkalis, dilute acids, and solvents after full curing.
Low viscosity (300–500 cP at 25°C) enabling easy processing, impregnation, and bubble-free casting.
Superior adhesion to metals, composites, and cured concrete substrates.
Good electrical insulation properties with high dielectric strength and volume resistivity.
Electrical encapsulation and potting of transformers, reactors, and power electronics.
Structural adhesive formulations for aerospace and automotive composite bonding.
High-performance flooring and protective coatings for industrial concrete surfaces.
Wind turbine blade bonding and core filling in composite manufacturing.
Tooling resins for molds used in RTM and vacuum infusion processes.
| Chemical Type | Bisphenol-A based liquid epoxy resin |
| Product Form | Clear, low-viscosity liquid |
| Appearance | Colorless to pale yellow, transparent |
| Epoxy Equivalent Weight (EEW) | 185–195 g/eq |
| Viscosity (25°C) | 350–450 cP |
| Chloride Content | < 500 ppm |
| Volatiles Content | < 0.3 wt% |
| Storage Stability | 12 months at < 25°C in unopened containers |
Q1: What is the primary application of KUKDO SM-685 Epoxy Resin?
A: KUKDO SM-685 is a liquid bisphenol-A based epoxy resin designed primarily for use in high-performance protective coatings, industrial flooring systems, and electrical encapsulation applications where excellent chemical resistance, adhesion, and mechanical durability are required.
Q2: How does SM-685 differ from standard DGEBA resins in terms of reactivity and handling?
A: SM-685 exhibits moderate reactivity and good pot life when paired with common amine or anhydride hardeners. Its viscosity and epoxide equivalent weight are optimized to balance ease of processing—such as mixing and degassing—with cured film performance, making it more suitable for solvent-free or low-VOC formulations than higher-molecular-weight solid resins.
Q3: Is SM-685 compatible with common epoxy curing agents?
A: Yes—SM-685 is fully compatible with a broad range of amine-based hardeners (e.g., aliphatic, cycloaliphatic, and aromatic amines) as well as anhydride and phenolic co-curing agents. Compatibility and final properties depend on stoichiometry, mixing efficiency, and post-cure conditions, so formulation optimization is recommended for each end-use system.
Q4: Can SM-685 be used in food-contact or potable water applications?
A: SM-685 is not pre-certified for direct food contact or potable water applications. Its suitability for such uses depends on full formulation compliance—including hardener selection, cure profile, and third-party testing—against relevant regional regulatory frameworks. Customers must conduct appropriate migration and safety assessments before deployment in regulated environments.
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
