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Single-ply sack cuts costs

Austrian paper sack and flexible packaging manufacturer Frantschach has launched a strong single-ply sack ideal for powdered goods which it says should significantly cut users’ material, recycling and transportation costs.

“While better paper has enabled sacks to go all the way from four plies in the 80s to two in the late 90s, there’s no respite on the cutting edge, and the filling business is on the lookout for even lighter, tighter sacks,” says the firm. “Cement, for example, is now primarily packed in 25kg bags instead of the previous 50kg standard. In the light of these tough market demands, it was natural for us to make the final leap from two plies to one.”

Frantschach’s ONE sack is made from 110gsm Advantage ONE, a paper claimed to have the strength, stiffness and porosity to match a multi-ply solution.

The sack has been rigorously lab and field tested, being torn, stretched and subjected to rough treatment, while drop tests at Papiertechnische Stiftung in Munich proved it could withstand a drop height of 190cm, “more than enough” for its envisaged applications.