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High-purity bisphenol-A based liquid epoxy resin with low chlorine content.
Excellent thermal stability and chemical resistance for demanding industrial environments.
Low viscosity enables easy handling, mixing, and impregnation of fiber reinforcements.
Consistent reactivity profile ensures reliable curing performance with standard amine and anhydride hardeners.
Low volatile organic compound (VOC) emission, supporting safer processing and regulatory compliance.
Electrical insulation systems for transformers, bushings, and high-voltage castings.
Structural composites in wind turbine blades and aerospace secondary components.
High-performance adhesives for automotive and rail transportation bonding applications.
Encapsulants and potting compounds for power electronics and LED modules.
Precise tooling resins for mold-making and precision casting in industrial manufacturing.
| Chemical Type | Bisphenol-A epoxy resin |
| Product Form | Clear, low-viscosity liquid |
| Appearance | Colorless to pale yellow, transparent |
| Epoxy Equivalent Weight (EEW) | 185–192 g/eq |
| Viscosity (25°C) | 12,000–15,000 cP |
| Chlorine Content | ≤ 700 ppm |
| Softening Point | 10–14°C |
| Storage Stability | ≥ 12 months at 25°C in sealed containers |
Q1: What is the primary function of Shikoku P-0505 in epoxy formulations?
A: Shikoku P-0505 is a reactive diluent designed to reduce viscosity and improve processability of standard bisphenol-A or bisphenol-F based epoxy resins without significantly compromising crosslink density or thermal performance.
Q2: Is Shikoku P-0505 suitable for high-gloss or low-VOC coating systems?
A: Yes — its low volatility and reactive nature make it well-suited for low-VOC and high-solids coating formulations where reduced emissions and enhanced film formation are required.
Q3: How does Shikoku P-0505 compare to non-reactive diluents in terms of final film properties?
A: Unlike non-reactive diluents, Shikoku P-0505 becomes part of the polymer network upon curing, helping retain mechanical strength, chemical resistance, and adhesion — avoiding the plasticization or leaching issues associated with solvent-type thinners.
Q4: Can Shikoku P-0505 be used in combination with common amine or anhydride hardeners?
A: Yes — it demonstrates good compatibility with conventional amine and anhydride curing agents, and typically requires no special adjustment to standard mixing or cure schedules when used within recommended dosage ranges.
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