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EPI-REZ Resin 5108-W-60 is a nonionic, waterborne dispersion of a highly multifunctional Bisphenol A epoxy novolac resin and is most commonly used in combination with other epoxy resin dispersions to increase the epoxide functionality of a system. Adding EPI-REZ Resin 5108-W-60 to fiber sizing formulations will lead to increased epoxide functionality in the fiber-matrix interphase and can improve moisture, chemical and thermal performance for fiber-reinforced composites. In cured applications, EPI-REZ Resin 5108-W-60 can be used to increase the rate of green strength or hardness development and will also contribute to improved moisture, chemical and thermal resistance.
Property | Standard | Value | Unit | Test Method |
---|---|---|---|---|
Epoxy Group Content EGC | 4000 - 4760 | mmol/kg | ASTM D1652 | |
Particle Size Coulter Volume Mean | 1.7 max. | µm | Internal | |
Solids Content | 58 - 60 | %m | ASTM D1259 | |
Viscosity at 25°C, Brookfield | 5000 - 13000 | cP | ASTM D445 | |
Weight per Epoxide WPE | 210 - 250 | g/eq | ASTM D1652 |
Property | Standard | Value | Unit | Test Method |
---|---|---|---|---|
Appearance | Opaque white liquid | |||
Organic Cosolvent | None | |||
pH | 3 - 6 | ASTM E70 |