EP-40 is a low-viscosity, halogen-free, flame-retardant two-component epoxy resin system primarily used in fiber-reinforced composites for marine, rail transportation, and automotive applications. It is suitable for a variety of liquid molding processes, including RTM, VARTM, and VARI.
Properties of Resin Castings (Cured at 120°C)
|
Item |
Specification Range | Test Standards |
| Density |
1.25g/cm³ |
Tested at 25°C |
|
Glass Transition Temperature(Tg) |
Before 126°C humid heat aging |
GB/T-2573-2008 |
| After aging in humid heat at 112°C | ||
|
Tensile Strength |
62.2MPa |
ASTM-D638 |
|
Modulus of Elasticity |
3890MPa |
|
|
Elongation at Break |
1.77KIC |
|
| Maximum Oxygen Index |
120MPa |
GBT2406.2-2009 |
| Vertical Fuel Consumption Rating |
V-0 |
GB/T2408-2008 |
