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Aug 27,2024With the increasing market share of packaging films, which are widely used in industries such as beverage packaging, food packaging, pharmaceuticals, chemicals, and electronic product packaging, they have brought convenience to people's lives. Below, I will tell you how to distinguish the quality of shrink films on the market.
Touch Identification Method Touch identification method: For POF shrink film, smooth and soft to the touch indicates good quality, while stiffness and stickiness indicate poor quality.
Ignition Identification Method Ignition identification method: High-quality POF shrink film ignites easily and burns with a noticeable flame. Products that are difficult to ignite are considered substandard.
Puncture Test Puncture test: After packaging, poke a hole with your finger. If the hole is only the size of a coin, it indicates good quality shrink film with good toughness. If the hole is elongated, it indicates poor toughness and inability to provide protection.
Packaging Test Method Packaging test method: Wrap the POF shrink film around the product and check its fit. Strong shrink memory and good retraction indicate good quality POF shrink film.
These are the methods to judge the quality of POF shrink film that I shared with you.
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