FAQ

You would like to learn more about sealing lids and sealing technology?
We answer your questions here!

Sealing combines containers, foil, and machinery to provide secure protection. Heat and pressure cause the sealing layer to bond firmly to the edge of the container. The result is an airtight seal that guarantees tamper protection and quality.

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A functional sealing system consists of a container, filling material, sealing lid and sealing machine. Product safety can only be guaranteed if all components work together perfectly. At BALLERSTAEDT, we provide comprehensive advice, sealing lids and sealing machines – for a reliable overall system.

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In principle, almost all products can be sealed – from foodstuffs and cosmetics to chemicals. It is important that the container has a flat opening. We will work with you to find the right solution for every application.

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In this video, you will learn how to customise sealing lids – from printing and colouring to embossing. This will turn your lids into a brand ambassador and visibly enhance your product.

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We show you what information is needed to find the right sealing solution for your product. This includes container type, filling material, planned quantities and existing machines. With this information, we select the right material, format and machine for you.

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Glass and ceramics pose particular challenges, but can be sealed reliably with the right sealing materials and machines. Important factors include a suitable sealing layer, special sealing heads and higher temperatures. With the right technology, you can achieve stable and reliable results.

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We offer flexible solutions especially for start-ups and provide even small quantities. We produce samples, conduct laboratory tests and lend out machines if required. This allows you to have your products professionally sealed right from the start.

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The processing method determines whether flat or preformed sealing lids are more suitable. Preformed variants are particularly practical for small quantities and manual processing, as they are self-centring. Flat lids that can be processed by machine are suitable for large-scale production.

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Sealing lids protect your products from tampering and external influences and extend freshness and shelf life. The first opening is a visible promise to your customers that the product is untouched. In addition, individual printing or embossing conveys your brand message.

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Here we explain how even tin and metal cans can be sealed. With the right machines and materials, sealing works reliably. Key factors include coating, suitable sealing plates, and individual tests for optimal results.

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This video introduces BaCo Bond (also known as PS Liner) – a sealing solution that requires no machinery. Pressure on the lid activates the adhesive layer, which develops its full adhesive strength after 24 hours. It is important that the edge of the container is clean and dry and that the method is only used for dry contents.

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The correct setting of temperature, pressure and time is crucial for a clean sealing result. We show you which sealing heads are suitable for different containers and how to adjust the machine optimally. This ensures that you achieve a perfect seal and guarantee the quality of your product.

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Not every container and every filling good has the same sealing requirements. Differences in material, shape and content require individually tailored sealing materials and sizes. This ensures optimum tightness and product safety.

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