Silica gel stick pack and sachet packaging machines and solutions

Silica gel in sachets and stick packs is particularly well suited to single-dose moisture-control packaging, as it allows defined quantities to be handled in a compact, protected and functional format. Valued for effective moisture control and for the ease with which it can be inserted into packaging, it helps preserve the integrity of the packed product across a wide range of applications. This versatile solution is designed to meet the needs of a market increasingly focused on practical, reliable and easy-to-integrate packaging formats.

The Challenges of Packaging Silica Gel in Stick Packs and Sachets

Stick packs and sachets offer the clear advantages of convenience and dosing control, but their production presents specific technical challenges.

Moisture exposure is the main technical concern. Silica gel absorbs moisture from the air, and if the packaging is not airtight, the product may clump or lose effectiveness. Even if the package is sealed, the silica gel can lose its moisture-absorbing ability over time, especially in humid environments. This is why choosing the right packaging material and storing the packets in dry conditions is crucial.

Another challenge is keeping the packages intact. The thin films used may be susceptible to punctures and tears, which can allow moisture ingress. Careful handling and using puncture-resistant materials are essential. Additionally, silica gel can generate dust, which can affect product cleanliness and application performance in certain applications like food or electronics. Using larger particles and using dust-control systems during filling can help mitigate this issue.

Despite the challenges, single-dose silica gel packages offer clear advantages, including convenience and dosing control. Overcoming these hurdles could lead to a new way to manage moisture control.

Examples of Silica gel packages produced with Universal Pack machines.

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