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Low viscosity for excellent processability and easy handling in casting, coating, and impregnation applications.
High reactivity with amine and anhydride curing agents, enabling rapid gelation and short cycle times.
Superior chemical resistance—especially to alkalis and solvents—compared to standard Bisphenol A epoxy resins.
Enhanced flexibility and impact resistance due to the flexible methylene bridge structure of Bisphenol F backbone.
Low chlorine content (< 500 ppm), supporting compliance with stringent electrical and electronic industry requirements.
Electrical encapsulation and potting compounds for transformers, sensors, and power modules.
High-performance protective coatings for marine, offshore, and industrial infrastructure.
Structural adhesives requiring thermal stability and moisture resistance.
Fiberglass-reinforced composites used in corrosion-resistant tanks and piping systems.
UV-curable hybrid formulations where low viscosity and high functionality are critical.
| Chemical Type | Bisphenol F-based liquid epoxy resin |
| Product Form | Clear to pale yellow viscous liquid |
| Appearance | Transparent, slightly yellow, homogeneous liquid |
| Epoxy Equivalent Weight (EEW) | 165–175 g/eq |
| Viscosity at 25°C | 12,000–16,000 mPa·s |
| Chlorine Content | ≤ 500 ppm |
| Volatiles | ≤ 0.3 wt% |
| Softening Point | Not applicable (liquid at room temperature) |
Q1: What distinguishes JER807 F170 from standard Bisphenol A-based epoxy resins?
A: JER807 F170 is a Bisphenol F-type epoxy resin offering lower viscosity and higher reactivity compared to many Bisphenol A analogues, making it particularly suitable for applications requiring enhanced flow, improved wetting of substrates, or faster cure profiles without excessive heat buildup.
Q2: Is JER807 F170 compatible with common amine and anhydride curing agents?
A: Yes, JER807 F170 exhibits good compatibility with a broad range of amine hardeners—including aliphatic, cycloaliphatic, and aromatic types—as well as anhydride systems. Formulators should conduct small-scale compatibility and cure testing to optimize performance for specific end-use conditions.
Q3: Can JER807 F170 be used in high-performance coating systems exposed to chemical or thermal stress?
A: Yes, its molecular structure contributes to improved chemical resistance and thermal stability relative to some standard liquid epoxies, supporting use in industrial maintenance coatings, tank linings, and other demanding protective applications—especially when properly cured and formulated with appropriate additives.
Q4: How does the low-viscosity nature of JER807 F170 benefit processing and formulation?
A: Its relatively low viscosity facilitates easier handling, reduced energy input during mixing, improved pigment and filler dispersion, and better penetration into porous substrates—making it advantageous for solvent-free or low-VOC formulations, impregnation processes, and high-solids coating systems.
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E-mail: wangxingqiang@ericwchem.com
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