 |
 |
|
|
|
| Erisys GE-21 |
 |
| 2425-79-8 |
 |
ERISYS GE-21, epoxidized Butanediol, is a low viscosity, aliphatic, diepoxide. It is intended for use as a reactive diluent for high viscosity epoxy resins. GE-21 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-21 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-21 are modified 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-21 diluted formulation remain relatively unchanged compared to an undiluted resin (see graphs and table below). The difunctionality of GE-21 helps to produce formulations with improved chemical and heat resistance compared to formulations containing monofunctional diluents.
GE-21 does not effect the pot life of precatalyzed epoxy resin/acid anhydride formulations. Formulations containing GE-21 exhibit excellent wettability making them ideal candidates for composite and impregnation applications. GE-21 has low moisture, hydrolyzable chloride and residual epichlorohydrin contents. Its exceptionally low color makes GE-21 the diluent of choice in color critical applications.
* APPLICATIONS
- Filament Winding
- Concrete/Civil Engineering Adhesives
- Laminating/Assembly Adhesives
- Structural Adhesives
- Vacuum Pressure Impregnation (VPI)
- Electronic Encapsulants
- Flooring |
 |
Appearance : Clear, Clean
Viscosity @ 25'C, cps : 10 ?18
Epoxide Equivalent Weight, g/eq : 120 ?130
APHA Color, max : 100
Residual Epichlorohydrin, max ppm : 10
Hydrolyzable Chloride, max % : 0.10
Weight per Gallon, @ 25'C, lbs. : 9.2 + 0.1
Flash Point, 'C ('F) : > 110(> 230) |
|
|
|
|
|
