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The Sanmu epoxy resin series characterized by exceptional reactivity (epoxy value: 0.48–0.54 eq/mg), these resins enable robust cross-linking with diverse curing agents, forming thermally stable networks ideal for high-stress environments. Their low viscosity profile (20–45 Pa·s at 25°C) ensures effortless processing and deep substrate penetration, while high purity minimizes side reactions for consistent curing outcomes.
Optically transparent formulations and light coloration make the series suitable for aesthetic-sensitive applications, including protective coatings and adhesives requiring clarity or color retention. Enhanced electrical insulation properties, driven by ultra-low chlorine content, meet stringent requirements for electronic encapsulation, transformer components, and high-voltage insulation systems.
High Epoxy Value (0.48–0.54 eq/mg): Ensures rapid reactivity and efficient cross-linking with curing agents, delivering robust and durable cured materials.
Light Color: Ideal for applications requiring color transparency or light-toned finishes, such as coatings and adhesives.
High Purity: Minimizes impurities for consistent curing performance and reliable end-product quality.
Low Chlorine Content: Enhances electrical insulation properties, making it suitable for electronics and electrical applications.
Excellent Electrical Insulation: Protects against electrical leakage and breakdown, ensuring safe operation in demanding environments.
Solvent-Free Coatings: Environmentally friendly, high-performance protective layers with easy application and smooth finishes.
Self-Leveling Coatings: Delivers even spreading and flat surfaces for commercial/industrial flooring systems.
Casting Materials: Precision casting for artworks, jewelry, and mechanical parts, with high strength and dimensional accuracy.
Insulating Materials: Used in transformers, motors, and circuit boards to prevent electrical breakdown.
Sealing Materials: Effective fluid/gas leak prevention with strong adhesion and chemical resistance.
| Model | Appearance | Epoxy Equivalent (g/eq) | Epoxy Value (eq/mg) | Viscosity (Pa·s/25°C) |
| SM3370DS | Transparent liquid, no mechanical impurities | 185–210 | 0.48–0.54 | 6–10 |
| SM601 | Transparent liquid, no mechanical impurities | 185–210 | 0.48–0.54 | 6–10 |
| SM3785 | Transparent liquid, no mechanical impurities | 185–210 | 0.48–0.54 | 6–10 |
| SM2125 | Transparent liquid, no mechanical impurities | 185–210 | 0.48–0.54 | 6–10 |
| SM-828 | Transparent liquid, no mechanical impurities | 185–210 | 0.48–0.54 | 20–45 |
| SM-618 | Transparent liquid, no mechanical impurities | 185–210 | 0.48–0.54 | 6–10 |
Q1: What are the primary curing mechanisms compatible with Sanmu Epoxy Resin?
A: Sanmu Epoxy Resin is designed for versatile curing, including reaction with amine-based hardeners (aliphatic, cycloaliphatic, and aromatic), anhydrides, and catalytic systems such as Lewis acids or latent accelerators. Selection depends on desired pot life, cure temperature profile, and final performance requirements.
Q2: Is Sanmu Epoxy Resin suitable for high-performance composite applications?
A: Yes — it offers excellent adhesion to fiber reinforcements (e.g., carbon, glass, and aramid), good mechanical strength retention after post-cure, and thermal stability suitable for structural composites in aerospace, wind energy, and industrial tooling applications.
Q3: How does Sanmu Epoxy Resin perform under humid or elevated-temperature processing conditions?
A: It demonstrates low moisture sensitivity during handling and storage, and maintains consistent reactivity and viscosity stability at elevated temperatures up to 80°C. For extended high-temperature exposure (>120°C), post-curing is recommended to achieve optimal crosslink density and long-term thermal resistance.
Q4: Can Sanmu Epoxy Resin be modified with reactive diluents or fillers without compromising performance?
A: Yes — it is fully compatible with common mono- and difunctional reactive diluents to adjust viscosity, as well as with mineral fillers, silica, and functionalized nanoparticles. Compatibility and dispersion must be validated per formulation to ensure uniform crosslinking and avoid phase separation.
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E-mail: wangxingqiang@ericwchem.com
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