{"id":11542,"date":"2025-11-01T05:00:31","date_gmt":"2025-11-01T05:00:31","guid":{"rendered":"https:\/\/tengyimachine.com\/?p=11542"},"modified":"2025-12-14T06:34:54","modified_gmt":"2025-12-14T06:34:54","slug":"pet-vs-pvc-shrink-film-best-choice-for-steam-tunnels","status":"publish","type":"post","link":"https:\/\/tengyimachine.com\/es\/pet-vs-pvc-shrink-film-best-choice-for-steam-tunnels\/","title":{"rendered":"PET vs PVC Shrink Film \u2014 Best Choice for Steam Tunnels"},"content":{"rendered":"\n<p>If your bottles, cans, or jars use shrink sleeves, you\u2019ve probably heard the debate: PET vs PVC shrink film.<br>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.<br>Want to know which is better?<br>Let us analyse both: based on actual production, not only theory.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What\u2019s the Difference Between PET and PVC Shrink Film?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">PVC Shrink Film (Polyvinyl Chloride)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Easy to use, low-cost and adaptable<\/li>\n\n\n\n<li>More often employed in older sleeve labeling systems.<\/li>\n\n\n\n<li>However, the shrinking process also releases chlorine gas, that makes it less eco-friendly.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">PET Shrink Film (Polyethylene Terephthalate Glycol)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clear and tough like crystal, and has superior tensile strength than PVC.<\/li>\n\n\n\n<li>Less harmful to the environment, no chlorine emissions.<\/li>\n\n\n\n<li>Specifically built to serve modern high-speed labeling lines.<\/li>\n<\/ul>\n\n\n\n<p>Hence, although PVC shrink film is less expensive, PET shrink film is cleaner, durable, and works better in most steam shrink tunnels.<\/p>\n\n\n\n<p><em>The video below shows the difference between PET and PVC by burning both.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio video-small\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"\ud83d\udd25PVC vs PET Shrink Film \u2014 Real Flame Test!\ud83d\udd25\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/wfM8PDjT1hA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">How Each Shrink Sleeve Material Reacts to Steam Heat<\/h2>\n\n\n\n<p>PET and PVC shrink film are both reactive in steam shrink tunnels at approximately 100 \u00b0C, and will shrink completely without compromising print quality.<br>In contrast, when utilizing a hot air shrink tunnel, both films shrink at the higher range of approximately $150\u2013160\u00b0C<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Label Clarity, Print Quality, and Environmental Impact<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1.Label Clarity<\/h4>\n\n\n\n<p>PET shrink film provides a greater transparency and gloss. It improves the appearance of your bottles, providing a high-end appearance that looks perfect with beverages, cosmetics and personal care brands.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"415\" src=\"https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/11\/PVC-vs-pet-film-shrink-wrap-effect.webp\" alt=\"\" class=\"wp-image-11595\" style=\"width:602px;height:auto\" srcset=\"https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/11\/PVC-vs-pet-film-shrink-wrap-effect.webp 800w, https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/11\/PVC-vs-pet-film-shrink-wrap-effect-300x156.webp 300w, https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/11\/PVC-vs-pet-film-shrink-wrap-effect-768x398.webp 768w, https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/11\/PVC-vs-pet-film-shrink-wrap-effect-18x9.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">2.Print Quality<\/h4>\n\n\n\n<p>PET is more efficient in keeping the ink intact in a humid and hot environment without fading and distortion. Relatively, PVC shrink film is prone to aging faster: the film becomes brittle and turns yellow.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">3.Environmental Impact<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PVC contains chlorine and may emit toxic compounds during the disposal.<\/li>\n\n\n\n<li>PET can be completely recycled and it is generally acceptable in recycling centers.<\/li>\n<\/ul>\n\n\n\n<p>PET shrink film is the obvious choice in case your brand considers sustainability and cleaner image.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cost and Supply Considerations<\/h2>\n\n\n\n<p>Of course, cost remains a key factor.<br>PET shrink film is a little more expensive than PVC shrink film at equal thickness, costing approximately USD4.2\/kg, whereas PVC shrink is approximately USD2.81\/kg.<br>However, long-term advantages that PET offers (improved print quality, recyclability, and brand perception) make the investment worthwhile.<br>That is why most giant beverage and cosmetic plants are incorporating the use of PET to replace PVC in shrink sleeve labeling.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why the TY-W300 Steam Heat Tunnel Works Best with PET Films<\/h2>\n\n\n\n<p>Tengyi<a href=\"https:\/\/tengyimachine.com\/products\/steam-shrink-tunnel-ty-w300\/\"> TY-W300 steam shrink tunnel <\/a>is designed to work with PET shrink film. It is designed to operate at low-to-medium temperature, that makes the shrinking labels smooth and vibrant.<\/p>\n\n\n\n<p>key Features:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Steam temperature range: 90-105 \u00b0C to shrink without wrinkles.<\/li>\n\n\n\n<li>Adjustable steam nozzles: Customize the heat zones for various bottle shapes.<\/li>\n\n\n\n<li>Condensate drainage system: Maintains steam tunnel dry and reduce downtime.<\/li>\n\n\n\n<li>Digital controls: Facilitate the control of the temperature and flow of steam accurately.<\/li>\n<\/ol>\n\n\n\n<p>In case you are about to replace PVC with PET, the TY-W300 will provide your production line with the stability and precision it requires.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Final Verdict: PET Wins for Steam Shrink Tunnels<\/h2>\n\n\n\n<p>After comparing performance, cost, and sustainability, it is apparent that PET shrink film achieves better outcomes in a steam shrink tunnel.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Criteria<\/strong><\/td><td><strong>PET Shrink Film<\/strong><strong><\/strong><\/td><td><strong>PVC Shrink Film<\/strong><strong><\/strong><\/td><\/tr><tr><td>Shrink Temperature<strong><\/strong><\/td><td>95\u2013105\u00b0C<strong><\/strong><\/td><td>95\u2013105\u00b0C<strong><\/strong><\/td><\/tr><tr><td>Label Clarity<strong><\/strong><\/td><td>Excellent<strong><\/strong><\/td><td>Moderate<strong><\/strong><\/td><\/tr><tr><td>Eco-Friendly<strong><\/strong><\/td><td>Yes<strong><\/strong><\/td><td>No<strong><\/strong><\/td><\/tr><tr><td>Wrinkle Resistance<strong><\/strong><\/td><td>High<strong><\/strong><\/td><td>Moderate<strong><\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>To sum up, PET shrink film is the most effective in the long term when it comes to working with steam shrink tunnels. It performs better, is more sustainable, and has a better visual effect compared to PVC shrink film.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Request a Free Test on Your Label Materials<\/strong><\/h2>\n\n\n\n<p>Confused about which shrink sleeve material would best fit your bottles? We will provide a free shrink test on your label samples using the TY-W300 steam heat tunnel. Contact Tengyi Engineers today to schedule your Free Material Test.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"546\" height=\"522\" src=\"https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/10\/Tengyi.jpg\" alt=\"\" class=\"wp-image-11464\" style=\"width:195px;height:auto\" srcset=\"https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/10\/Tengyi.jpg 546w, https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/10\/Tengyi-300x287.jpg 300w, https:\/\/tengyimachine.com\/wp-content\/uploads\/2025\/10\/Tengyi-13x12.jpg 13w\" sizes=\"(max-width: 546px) 100vw, 546px\" \/><\/figure>\n\n\n\n<p><script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"Article\",\n      \"@id\": \"https:\/\/tengyimachine.com\/pet-vs-pvc-shrink-film-best-choice-for-steam-tunnels\/#article\",\n      \"mainEntityOfPage\": \"https:\/\/tengyimachine.com\/pet-vs-pvc-shrink-film-best-choice-for-steam-tunnels\/\",\n      \"headline\": \"PET vs PVC Shrink Film \u2014 Best Choice for Steam Tunnels\",\n      \"description\": \"A practical comparison of PET and PVC shrink film for steam tunnels. 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