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A more stable stacking solution for cement mix bags

'Rock-steady' pallet stacks and use of readily recyclable bags win over customers.

Filled, sealed bags pass under air-operated adhesive applicators on their way.
Filled, sealed bags pass under air-operated adhesive applicators on their way.

Cement mortar producer Diamur of Antwerp, Belgium, produces 25-kg decorated bags of cement mix, shipped perfectly stacked in plastic-wrapped pallet loads. The ecology-minded company strives to use only the minimum amount of plastic wrap needed, and the pallets stay stable even after the plastic has been removed. This benefits users by avoiding the need for labor-intensive bag restacking or clean-up of broken bag spills.


Diamur began producing 25-kg primary bag sizes in 2008 and currently supplies about 80,000 tons per year for shipment throughout Belgium, France, and the Netherlands. Markets include the professional building trade, sold through building-material outlets, and the retail trade, sold through do-it-yourself stores.

In pursuit of cost-effective, quality packaging
As Diamur planned the introduction of its 25-kg bags, the company wanted the quality of the packaging to reflect its contents. According to Benedikt Van den Braembussche, Diamur’s president, “The advantage of plastic packaging over paper bags is that the mortar keeps longer and can withstand rain. Many outlets store the product outside, exposed to the weather elements. It also is easier to recycle the plastic bags because regular paper bags always contain plastic liners that can complicate straightforward recycling processes. Moreover, plastic packaging is less inclined to enable cement dust release. This gives both a safety and sanitation advantage.”

Still, Van den Braembusshe concedes that plastic bags do have a disadvantage versus paper bags. They are more slippery. So the pallets normally tend to be less stable and more prone to fall apart. (Diamur chooses not to disclose the specific type of poly film it is using nor the names of suppliers.)

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