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.
In order to find out whether you have a Vintage or Non-Vintage (and how much the person you received the bottle from loves you), all you have to do is to look at the front label and look for a year, as this is the year from which grapes the champagne was produced.on-Vintage Champagnes will expire a little more quickly after around 3-4 years after purchase and are aged for 2 to 3 years before that before they are available for sale.