Dear researcher,
We produce polyethylene-based shrink film (HDPE / LDPE / LLDPE), for the packaging of water bottles, the problem is that we have a big Bullseye and I would like to know what parameters in (blown film extrusion) or recipe we can change to strengthen and have a small Bullseye.I'd also like to know if we should look for a positive or negative TD shrink and what are the parameters that improve the shrinkage force
Thank you
Dear F. Madidi, you can find valuable information from the following RG thread, in addition to the other reference. Essentially, balancing temperature/time, degree of orientation, and type of polymerization process, are the main influencing parameters. My Regards
https://www.researchgate.net/post/What_are_the_polymers_and_additives_used_to_manufacture_shrink_films
https://doi.org/10.1016/B978-188420759-4.50039-5
Hi Dr F. Madidi . I hope the following links could help:
1.https://www.industrialpackaging.com/the-complete-guide-to-shrink-film
2.https://www.google.com/amp/s/crawfordpackaging.com/product-packaging/three-key-issuess-that-prevent-the-perfectly-shrink-wrapped-package%3Fformat%3Damp
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