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High purity bisphenol A-based epoxy resin with consistent molecular weight distribution.
Excellent thermal stability and low ionic chloride content for enhanced electrical insulation performance.
Optimized viscosity for improved processability in casting, laminating, and impregnation applications.
Superior adhesion to metals, glass fibers, and common industrial substrates.
Compatible with standard amine and anhydride curing agents for flexible formulation design.
Electrical insulation systems for transformers, reactors, and high-voltage bushings.
Structural composites in wind turbine blades and aerospace secondary components.
Prepregs and laminates for printed circuit board (PCB) substrates and FR-4 grade materials.
Potting and encapsulation compounds for sensors, power electronics, and LED modules.
High-performance coatings for corrosion protection of offshore and chemical processing equipment.
| Chemical Type | Bisphenol A diglycidyl ether (DGEBA) epoxy resin |
| Product Form | Clear to pale yellow viscous liquid |
| Appearance | Homogeneous, transparent, free from gel particles or sediment |
| Epoxy Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity (25°C) | 12,000–16,000 mPa·s |
| Chloride Content | ≤ 750 ppm |
| Volatiles Content | ≤ 0.3 wt% |
| Softening Point | 12–15°C |
Q1: What are the primary application areas for Sanmu SM827?
A: Sanmu SM827 is widely used in high-performance protective coatings, electrical encapsulation compounds, and structural adhesives where excellent chemical resistance, thermal stability, and strong adhesion to metals and composites are required.
Q2: How does SM827 compare to standard liquid DGEBA resins in terms of viscosity and handling?
A: SM827 exhibits a moderately low viscosity at room temperature, offering improved processability over higher-molecular-weight solid epoxy resins while maintaining good reactivity with common amine and anhydride hardeners—making it suitable for solvent-free or low-solvent formulations.
Q3: Is SM827 compatible with common epoxy curing agents?
A: Yes—SM827 is fully compatible with aliphatic and cycloaliphatic amines, aromatic amines, anhydrides, and catalytic hardeners such as tertiary amines and imidazoles, enabling broad formulation flexibility across coating, adhesive, and composite applications.
Q4: Can SM827 be used in food-contact or potable water applications?
A: SM827 is not pre-qualified for direct food-contact or potable water applications. Its suitability for such uses depends on full end-product compliance testing and regulatory approval by relevant authorities—formulators must validate final system performance against applicable regional requirements.
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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
