the easyopen end was heralded as the great convenience leap forward in the can segment a decade ago. basic bugs have been worked outthe pullring that breaks off is a less likely event than it was a few years agobut the slow march forward continues, as suppliers develop new materials in response to specific types of food products. acidic foods are always tough on the lining of a sanitary can, and the rivet that holds an easyopen pull ring is particularly vulnerable to corrosion.  besides the vinegar and brine solution, the capsaicin in the chili peppers was extremely corrosive. a simple solution would have been to switch to a gold aluminum lining, but the implied purity of a white coating was viewed as a marketing advantage.  sourcehttpwww.foodengineeringmag.comarticlespackagingmaterialsinnovation