ERISYS GE-25, epoxidized 1,6-Hexanediol, is a low viscosity, aliphatic, diepoxide. It is intended for use as a reactive diluent for high viscosity epoxy resins. GE-25 is compatible at all concentrations with those resins and resin/diluent blends can be cured using any epoxy resin curing agent. As a result of its chemical structure, GE-25 is not as efficient in viscosity reduction as the aliphatic mono-functional reactive diluents ERISYS GE-5, GE-6, GE-7, and GE-8. However, the performance properties of epoxy formulations diluted with GE-25 are compromised to a lesser degree than those of systems containing the aliphatic monofunctional diluents. Depending on concentration, properties such as gel time, strength, and modulus of a GE-25 diluted formulation remain relatively unchanged compared to an undiluted resin. The difunctionality of GE-25 helps to produce formulations with improved chemical and heat resistance compared to formulations containing monofunctional diluents. Formulations containing GE-25 exhibit excellent wettability making them ideal candidates for composite and impregnation applications. GE-25 has low moisture, hydrolyzable chloride and residual epichlorohydrin contents. Its exceptionally low color makes GE-25 the diluent of choice in color critical applications.

Typical Properties Values
EEW, g/eq 143-156
Viscosity, cps 15-23 @25°C
Color, Max 100 (APHA)
Hydrolyzable Chloride, Max % 0.10
Residual Epichlorohydrin, Max ppm 10
Weight per Gallon, @25°C lbs. 8.9
Flash Point, °C (°F) 149 (300)

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