This year’s Capsule Survey reflects a slight decrease in tin usage and a slight increase in polylam usage. While tin capsules remain the solid leader in overall capsule usage among polylam, PVC and aluminum, the rising price of tin, as a raw material over recent years, may be an important factor in it being used less frequently. Tin capsules were used by 58 percent of wineries in 2008, and today they are used by 47 percent. During this same time period, polylam and PVC usage increas...