BillerudKorsnäs and Haver & Boecker in successful cooperation

Last year BillerudKorsnäs and Haver & Boecker published a total of nine sack packaging norms. These norms cover the basics and some of the most critical factors that need to be taken into account when powdered goods are packed. The reactions in the market show that the norms support the work of bulk goods manufacturers. They provide a helpful guideline for determining the optimal packaging process and the perfect sack packaging for products to be filled. BillerudKorsnäs and Haver & Boecker have decided to jointly develop further norms 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. They provide orientation for questions that manufacturers of bulk materials are confronted with on a daily basis.

Both companies have experienced that customers are increasingly paying attention to the cost of empty sacks. The right quality and design of the empty sacks are crucial, as they 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 will cost millions in lost production. Bulk goods manufacturers have a direct influence on all factors through the design of the packaging process. Here, the sack packaging norms give good indications of how bulk solids manufacturers can ideally act in this area of conflict between cost and quality.

Expert knowledge from both companies has been incorporated into the sack packaging norms. BillerudKorsnäs contributes with years of expertise in packaging paper production, practical experience as well as analytical tests, design and developments at the BillerudKorsnäs Packaging Development Centre. Haver & Boecker contributes with their extensive experience in filling technology and handling of powdered bulk materials.

The current norms at a glance:

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 Describing 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:




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