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How Is the Integrity Of Package Seals Tested?

Food packaging is usually tested for integrity to ensure product protection. Seal integrity tests are used to evaluate sustainable packaging options, low-cost packaging, and variations of production line sealing parameters.

Alternative packaging structures like single-layer recyclable flexible packaging are becoming more popular. It is important to make sure that these seals do not lose their strength. Multiple packaging test methods are used to ensure that the highest quality seals are achieved, including joints, closures, and substrates.

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Alternative sealing methods and lower-cost packaging materials are also evaluated. These seals must be strong and will not leak during the product's lifetime.

For new product introductions or alternative distribution methods, such as e-commerce, it is important to assess the integrity of packaging seals. It is crucial to ensure food safety and product quality.

Methods for sealing

As part of food safety, HACCP and production quality control, seal integrity assessments are done. For food safety, small leaks in the seal can expose the product to bacteria, such as rods or coconuts, while larger leaks can expose it to contaminated water droplets that can be much more prevalent than bacteria.

Measurement protocols for quality control at production startup and shift changes are based on the confidence in seals' integrity, small amounts of labor and sealing equipment variability, and trust in material consistency.

A company might increase the frequency of sampling for leaks after changing to a different material structure. This is to ensure that seals are well-made. Distribution hazards can also affect seal-integrity testing.