Mondi launched a bag that offers weather protection and significantly extends the shelf life of its contents. The patent-pending HybridPro is a technically demanding combination of paper and plastic, and is suitable for many industries and applications, particularly construction materials.

 

54 Mondi 400With the HybridPro, building materials such as gypsum and cement have excellent protection against direct rain during shipping or on site. It also provides excellent protection against gradual moisture ingress during outdoor storage, thanks to the 40 μm thickness of the unperforated HDPE film. This means shelf life is longer than with standard paper bags, noted the manufacturer. For example, according to building materials producer Knauf, who collaborated in developing the HybridPro, gypsum packaged in the HybridPro enjoys an eight-month shelf life when stored outdoors with no further protective layer – twice as long as if packaged in a standard paper bag.

This performance outdoors makes the bag very user-friendly and has benefits when it comes to streamlining the supply chain of fillers and end-consumers. Since the bag can be filled on conventional paper bag filling systems, investment in FFS systems, which tend to be expensive, is not required.

The bag’s outer ply – which forms the barrier against rain, moisture and dust – is made of plastic film, giving it an attractive, modern appearance. The HDPE film can be printed in up to eight colors, including on the bottom patches, for a glossy, premium look, and the paper ply is available in a bleached or an unbleached version.

The HybridPro is an eco-friendly solution: the total grammage of material used is less than with standard three-ply designs used for the same purpose, according to Mondi. Additionally, the plastic and paper components are easy to separate, for optimum recyclability.

Mondi Industrial Bags, www.mondigroup.com

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2017 Cement Directory

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