This high performance prepreg is suitable for a number of different applications including sporting goods, transportation, high pressure applications and other commercial applications. It features a one year out of freezer shelf life at 75F or less and can be kept in a freezer for longer term storage.
7781 fiberglass fabric is an 8 harness satin fabric that features a high yarn density providing a very good fabric to resin ratio (65%) so you get very good physical properties out of the laminate.
There are 3 different cure schedules for this prepreg:
1- Hold at 270F for 4 hours
2- Hold at 290F for 2 hours
3- Hold at 310 F for 1 Hour
Ramp up is 5 degrees F per minute, ramp down is 5 degrees per minute to 150 F or lower.