6.9.1.5 Liquid polyurethane (PU)

6.9.1.5 Liquid polyurethane (PU)

Also known as flexible packaging, liquid PU is commonly used for food packaging. Films from different materials are bonded to create a package that preserves food; film selections are important because they need to provide the required attributes for the food product.

Figure 202 Common films bonded with liquid polyurethanes
Figure 202 Common films bonded with liquid polyurethanes
Figure 203 Laminating machine
Figure 203 Laminating machine
Figure 204 Flexible packaging examples
Figure 204 Flexible packaging examples

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