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If your bottles, cans, or jars use shrink sleeves, you’ve probably heard the debate: PET vs PVC shrink film.There is no doubt that both materials control the market of shrink sleeve material around the world; however, in terms of steam shrink tunnels, one of them obviously works better.Want to know which is better?Let us analyse both: based on actual production, not only theory. What’s the Difference Between PET and PVC Shrink Film? PVC Shrink Film (Polyvinyl Chloride) PET Shrink Film

If you’ve been running a steam shrink tunnel for a while, you know one thing — even the best systems need a little fine-tuning.Whether it is shrink sleeve wrinkles or bubbles or steam pressure problems, the majority of problems can be resolved quickly when you know what is actually causing them.The following is a comprehensive, practical guide, with the insight of a 10-year packaging engineer, full of practical steam shrink tunnel troubleshooting tips that you can use now. Problem 1

The choice between a steam heat tunnel and an electric hot air tunnel is another crucial decision that any packaging line using shrink sleeves or films should make.Both systems involve heat to tighten the film around the products, but in very different ways.This guide will assist you in choosing the one that best fits your operation when you are concerned with label quality, production efficiency, and long-term control of costs. What’s a Steam Shrink Tunnel A steam shrink tunnel, also