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24.05.2021 BillerudKorsnäs and Haver & Boecker jointly to develop further sack packaging norms

BillerudKorsnäs, Solna, Sweden, and Haver & Boecker, Oelde, Germany, last year published nine sack packaging norms (see EBS News for week of 29 June 2020). These cover the basics and some of the most critical factors that need to be taken into account when powdered goods are packed. The norms provide helpful guidelines for determining the optimal packaging process and the perfect sack packaging for products to be filled. The two companies have decided to cooperate further after receiving positive feedback worldwide.

The sack packaging norms include recommendations for the development and use of packaging solutions and processes and define basic standard know-how or standard procedures. Both companies report that customers are increasingly paying attention to the cost of empty sacks. The right quality and design of the sacks are crucial, as these factors directly determine the performance at all steps in the value chain. For example, a certain sack design may be cheaper, but if it fills slower on the filling machine, it could cost millions in lost production. "Together BillerudKorsnäs and Haver & Boecker now offer a set of recommendations to minimise problems and maximise performance in the packaging chain. If manufacturers and users of paper sack packaging follow the recommendations and guidelines and implement usage of these norms in their supply chain, efficient and effective packaging production, filling, handling, storage and transport of the end products will be ensured," said Mikael Peterson, technical service director at BillerudKorsnäs. Expert knowledge from both companies has been incorporated into the sack packaging norms.

 “In our Haver & Boecker Institute we run more than 300 packaging trials per year together with customers. A lot of meetings and discussions with our customers and converters show us again and again, that people are looking for such guidelines for their perfect packaging. The information presented within this norms are collected throughout years of experience and we are pleased to see they will be used worldwide”, explained Thomas Hilling, manager Haver & Boecker Institute.

The current nine norms cover the following subjects:
• A-1.1 Sack permeability
• A-2.1 Shelf life
• A-3.1 Sack moisture – curing of paper sacks
• A-4.1 Specifying sack strength
• A-5.1 Balance between sack strength and venting
• A-6.1 Defining a valve sack
• B-1.1 Filling degree
• B-2.1 Valve sealing
• B-3.1 Filling equipment

The already published sack packaging norms are available for free download: Registered interested parties will receive all further norms automatically by email. Proposals for new norms can also be submitted on the above website.


Permeability testing at the BillerudKorsnäs packaging development centre

Thomas Hilling, manager Haver & Boecker Institut

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