Stora Enso unveils paper for in-mold applications

Stora Enso has developed a specialty paper for in-mold label applications that allows brand owners to reduce the percentage of non-renewable materials required for packaging.

The in-mold process involves placing a printed film label in the mold before injecting plastic melt to create a finished pot. With the new InnoMould paper produced Stora Enso’s Uetersen mill in Germany, the film label can now be replaced by a paper label, reducing the amount of material of fossil origin.The paper combines with the plastic melt to an integral unit that is stiffer than packaging and made using a conventional film label. The higher bearing pressure of the pot permits higher stacking and the walls of the pots can be produced with up to 50 percent less material, says the company. 

InnoMould supports the use of high-resolution visuals and any desired number of different colors, including gold and silver. 

InnoMould has undergone extensive testing under real-life conditions. It is said to be suited to injection-molding processes used to produce everything from pots for yoghurt and dairy products, containers for processed fish and butter and even paint buckets. 

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