Epoxy resins are low molecular weight pre-polymers or higher molecular weight polymers which normally contain at least two epoxide groups. The epoxide group is also sometimes referred to as a glycidyl or oxirane group.
Different grape varieties thrive in different climates, but typically do best in U.S. Department of Agriculture plant hardiness zones 5 through 9. Although highly perishable, when stored correctly, grapes can last up to six weeks after harvesting.
Instructions. Poke holes into a plastic bag with a knife or skewer to perforate it. Place the grapes into the plastic bag, but refrain from washing them as this will shorten their shelf life. Store the bag of grapes in the coldest portion of the refrigerator for up to one week.Choose either the vegetable crisper drawer or the bottom shelf at the back.he many colors of grapes attests to the great variety of this fruit. Red, green and black grapes are available in both seeded and seedless varieties to match the particular tastes of any grape eater. To maintain the freshness of those grapes, refrigerate them for up to one week.