Best Epoxy 170 (E-51) – China Manufacturer With ISO 9001
Epoxy Resin 170 (E-51 Standard Equivalent) is a premium bisphenol-A-based thermosetting resin engineered for demanding industrial applications. With its ultra-low viscosity (11,000–15,000 mPa·s at 25°C), high epoxy value (0.51–0.54 eq/100g), and exceptional thermal/chemical resistance, it is the ideal choice for electronics encapsulation, high-strength composites, and corrosion-resistant coatings.
🔬 Key Technical Specifications
| Property | Value | Test Standard |
|---|---|---|
| Appearance | Transparent, colorless to pale yellow liquid | Visual |
| Epoxy Value | 0.51–0.54 eq/100g | GB/T 4612 |
| Viscosity (25°C) | 11,000–15,000 mPa·s | GB/T 12007.4 |
| Density (25°C) | 1.16–1.18 g/cm³ | ISO 1675 |
| Hardener Ratio | 100:23–25 (Modified amine) | ISO 862 |
| Gel Time (25°C) | 30–50 minutes | ASTM D2471 |
| Full Cure Time | 24–48 hours (7 days optimal) | ASTM D2471 |
| Heat Resistance | -40°C to +155°C (short-term +180°C) | ASTM D648 |
| Tensile Strength | ≥65 MPa | ASTM D638 |
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