tesa® 4256 NR tesa® 4256NR is a general purpose polypropylene carton sealing tape with a natural rubber adhesive. This ideal for high volume, packaging and carton sealing requiring a medium strength tape. Suitable for use on recycled board and under shrink wrap. Applications Include:- • Packaging, bundling and closing • Carton sealing for medium cartons • It can be used on all common hand dispensers and machines • 47um thickness