High-purity bisphenol-A based liquid epoxy resin with low chloride content.
Excellent compatibility with standard amine and anhydride curing agents.
Optimized viscosity for efficient processing in casting, laminating, and potting applications.
Superior electrical insulation properties and thermal stability after curing.
Consistent batch-to-batch performance meeting stringent JIS K 6911 and ASTM D1654 standards.
Electrical insulators and high-voltage bushings.
Encapsulation and potting of electronic components and power modules.
Laminates for printed circuit boards (PCBs) requiring UL 94 V-0 rated flame retardancy.
Structural adhesives in aerospace and automotive composite assemblies.
Casting resins for precision industrial tooling and dielectric transformers.
| Chemical Type | Bisphenol-A epoxy resin |
| Product Form | Clear to pale yellow liquid |
| Appearance | Transparent, homogeneous liquid at 25°C |
| Epoxy Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity (25°C) | 12,000–15,000 mPa·s |
| Chloride Content | ≤ 750 ppm |
| Softening Point | 12–15°C |
| Storage Stability | ≥ 12 months at 5–30°C in sealed containers |
Q1: What is the primary function of Shikoku 2PZ Epoxy Resin in coating and adhesive formulations?
A: Shikoku 2PZ is a reactive diluent and modifier designed to reduce viscosity, improve flexibility, and enhance adhesion without significantly compromising thermal or chemical resistance in epoxy systems.
Q2: Is Shikoku 2PZ compatible with standard amine and anhydride curing agents?
A: Yes, it demonstrates broad compatibility with common epoxy hardeners, including aliphatic and cycloaliphatic amines as well as aromatic anhydrides, enabling formulation flexibility across ambient- and elevated-temperature cure profiles.
Q3: How does Shikoku 2PZ affect pot life and gel time in epoxy blends?
A: It typically extends working time slightly compared to unmodified epoxy resins, especially at lower incorporation levels, due to its lower reactivity and dilution effect—though exact impact depends on the base resin and hardener system used.
Q4: Can Shikoku 2PZ be used in food-contact or pharmaceutical-grade epoxy applications?
A: While not pre-certified for direct food contact, it may be considered for indirect applications where regulatory compliance is verified by the final formulator through full system evaluation and migration testing per applicable jurisdictional requirements.
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