The U.S. Forest Products Laboratory (FPL) recently certified three of Franklin International’s Covinax®pressure-sensitive adhesives as “environmentally benign,” indicating that the adhesives can easily be removed from paper during the recycling process.
Covinax 324-39 is a vinyl acrylic copolymer for general-purpose permanent pressure-sensitive adhesives on tapes and labels. It is used for corrugated substrates, polyolefin films, glass and metals, and is easily converted into rolls or sheets without sticky-edge problems. This formula can be transfer-coated on most rod, gravure or roll coaters.
The second FPL-certified product, Covinax 379-05, is an acrylic adhesive for permanent pressure-sensitive applications, including pharmaceutical label applications requiring adhesion to curved or irregularly shaped surfaces. The balance between peel and shear strength also renders this formula easily convertible to rolls or sheets. It is specifically designed to be transfer-coated on slot die coaters and can be used on most rod or roll coaters.
Food packaging manufacturers turn to the third certified product, Covinax 418-02, an acrylic emulsion polymer, for low- and freezer-temperature labels on food packaging materials.
For more information, visitwww.franklininternational.com.
FRANKLIN: Pressure-Sensitive Adhesives
July 7, 2008