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High purity bisphenol A-based epoxy resin with consistent epoxide equivalent weight (EEW) for reliable reactivity control.
Excellent thermal stability and low volatility, supporting high-temperature curing processes without premature degradation.
Superior adhesion to metals, composites, and cured thermosets—ideal for structural bonding and coating systems.
Low ionic chloride content (< 500 ppm), minimizing corrosion risk in electronic encapsulation and metal-coating applications.
Optimized molecular weight distribution for balanced viscosity, pot life, and final crosslink density.
Electrical insulation coatings for transformers, busbars, and high-voltage components.
Structural adhesives in aerospace and automotive composite assemblies.
Prepreg matrix resin for carbon fiber and glass fiber reinforced laminates.
Encapsulants and glob-tops for semiconductor packaging and power modules.
High-performance powder coating binders requiring excellent flow, leveling, and edge coverage.
| Chemical Type | Bisphenol A diglycidyl ether (DGEBA) epoxy resin |
| Product Form | Amber to light yellow viscous liquid |
| Appearance | Clear, homogeneous, free from gels or suspended particles |
| Epoxide Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity (25°C) | 12,000–16,000 cP |
| Chlorine Content (Total) | ≤ 500 ppm |
| Softening Point | 12–16°C |
| Hydrolyzable Chloride | ≤ 100 ppm |
Q1: What is the primary application of Sanmu SM607R in industrial coatings?
A: Sanmu SM607R is widely used as a reactive binder and crosslinking component in high-performance industrial maintenance coatings, particularly where excellent adhesion to metal substrates, chemical resistance, and mechanical durability are required.
Q2: Can Sanmu SM607R be used in food-contact coating systems?
A: Sanmu SM607R is not pre-qualified for direct food-contact applications. Its use in such systems requires full formulation-level compliance assessment against applicable regional regulatory frameworks, including thorough migration testing and end-use validation by the coating formulator.
Q3: How does SM607R compare to standard liquid DGEBA resins in terms of viscosity and handling?
A: SM607R exhibits lower viscosity than conventional unmodified bisphenol A epoxy resins of similar epoxy equivalent weight, offering improved flow characteristics and easier incorporation into solvent-free or high-solids formulations without excessive dilution.
Q4: Is SM607R compatible with common amine and anhydride curing agents?
A: Yes — SM607R is fully compatible with standard aliphatic and aromatic amines, as well as cyclic anhydrides. Optimal cure profiles and final properties depend on stoichiometry, catalyst selection, and thermal schedule, and should be verified experimentally for each specific system.
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E-mail: wangxingqiang@ericwchem.com
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