Extra strong paper introduced.

Extra strong paper introduced. WalkiWisa, Valkeakoski, Finland, a division of UPM-Kymmene Group, introduced a new range of smooth extra-strong envelope and bag paper last spring. WisaMail, the new product family, will now be introduced on the European market. It is a new type of mailing material reinforced with specialty plastics. Printability and runnability are built into the product. The smooth envelope papers go by the names WisaMail White, a white laminate; WisaMail Brown, a brown laminate; and WisaMail Double, a two sided laminate. WisaMail Classic, a web reinforced quality laminate has been available for some time.