{"id":3596,"date":"2026-08-29T08:05:41","date_gmt":"2026-08-29T08:05:41","guid":{"rendered":"https:\/\/szfilmfactory.com\/?p=3596"},"modified":"2026-09-21T02:26:05","modified_gmt":"2026-09-21T02:26:05","slug":"bopp-film-for-adhesive-tape","status":"publish","type":"post","link":"https:\/\/szfilmfactory.com\/ru\/blog\/bopp-film-for-adhesive-tape\/","title":{"rendered":"BOPP Film for Adhesive Tape: Key Specifications &amp; How to Choose"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Why BOPP Works Well for Adhesive Tape?<br>BOPP offers high tensile strength, good clarity, moisture resistance and low cost. These properties make it the standard backing for carton sealing and packaging tapes worldwide. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The film provides a stable base for acrylic or hot-melt adhesives. After proper surface treatment it holds the adhesive firmly during coating, slitting and use.<\/p>\n\n\n\n<figure data-spectra-id=\"spectra-mte3h7na-r1fkvb\" class=\"wp-block-image aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/BOPP-Film-for-Adhesive-Tape.jpg\" alt=\"bopp film for adhesive tape\" class=\"wp-image-3601\" title=\"BOPP Film for Adhesive Tape: Key Specifications &amp; How to Choose\" srcset=\"https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/BOPP-Film-for-Adhesive-Tape.jpg 800w, https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/BOPP-Film-for-Adhesive-Tape-300x225.jpg 300w, https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/BOPP-Film-for-Adhesive-Tape-768x576.jpg 768w, https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/BOPP-Film-for-Adhesive-Tape-16x12.jpg 16w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Typical BOPP Film Specifications for Adhesive Tape<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A tape-grade BOPP film should be evaluated by several specifications, not thickness alone.<\/strong> The following values are common reference points for BOPP film used in pressure-sensitive adhesive tape.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Property<\/th><th>Typical Range \/ Reference<\/th><th>Why It Matters<\/th><\/tr><\/thead><tbody><tr><td>Thickness<\/td><td><strong>20\u201360 \u03bcm<\/strong><\/td><td>Controls tape strength, flexibility, and material cost<\/td><\/tr><tr><td>Thickness tolerance<\/td><td><strong>\u00b12\u20133.5%<\/strong><\/td><td>Affects coating and converting consistency<\/td><\/tr><tr><td>Density<\/td><td><strong>0.90\u20130.91 g\/cm\u00b3<\/strong><\/td><td>Used for weight and yield calculations<\/td><\/tr><tr><td>Tensile strength, MD<\/td><td><strong>\u2265135\u2013160 MPa<\/strong><\/td><td>Important for machine-direction strength<\/td><\/tr><tr><td>Tensile strength, TD<\/td><td><strong>\u2265260\u2013305 MPa<\/strong><\/td><td>Important for cross-direction strength<\/td><\/tr><tr><td>Elongation, MD<\/td><td><strong>150\u2013180%<\/strong><\/td><td>Shows how the film stretches before breaking<\/td><\/tr><tr><td>Elongation, TD<\/td><td><strong>50\u201365%<\/strong><\/td><td>Important for tape handling and converting<\/td><\/tr><tr><td>Surface tension<\/td><td><strong>\u226538 dyn\/cm<\/strong><\/td><td>Supports adhesive coating and wetting<\/td><\/tr><tr><td>Haze<\/td><td><strong>\u22641\u20132%<\/strong><\/td><td>Lower haze gives better clarity<\/td><\/tr><tr><td>Gloss<\/td><td><strong>\u226590%<\/strong><\/td><td>Supports a clear and attractive tape surface<\/td><\/tr><tr><td>Coefficient of friction<\/td><td><strong>0.35\u20130.50<\/strong><\/td><td>Affects film handling and rewinding<\/td><\/tr><tr><td>Heat shrinkage, MD<\/td><td><strong>\u22643.5\u20135%<\/strong><\/td><td>Lower shrinkage improves dimensional stability<\/td><\/tr><tr><td>Heat shrinkage, TD<\/td><td><strong>\u22641\u20133%<\/strong><\/td><td>Helps control width and shape changes<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">These are <strong>general industry reference values, not guaranteed specifications for every BOPP grade<\/strong>. Actual values depend on film thickness, formulation, production technology, and the intended adhesive tape application. Public tape-film TDS documents show similar ranges, including 20\u201350 \u03bcm and 25\u201350 \u03bcm products with surface tension around 38 dyn\/cm and tensile strength above 150 MPa in the MD direction.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. BOPP Film Thickness: 20\u201360 \u03bcm<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Thickness determines the basic structure and cost of the finished adhesive tape.<\/strong> BOPP tape films are commonly available from about <strong>20 \u03bcm to 60 \u03bcm<\/strong>, while <strong>25\u201350 \u03bcm<\/strong> is a useful range for many general packaging tape applications. Public tape-film specifications also show common grades around 23, 25, 28, and 30 \u03bcm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A simple selection guide is:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>20\u201325 \u03bcm:<\/strong> lightweight tape and applications where material efficiency is important.<\/li>\n\n\n\n<li><strong>25\u201330 \u03bcm:<\/strong> common range for lighter packaging and general-purpose tape.<\/li>\n\n\n\n<li><strong>30\u201340 \u03bcm:<\/strong> suitable when more backing strength and handling stability are required.<\/li>\n\n\n\n<li><strong>40\u201350 \u03bcm:<\/strong> often used for stronger packaging tape.<\/li>\n\n\n\n<li><strong>50\u201360 \u03bcm:<\/strong> useful when higher film thickness and robustness are required.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Thickness should be selected together with the adhesive coating weight.<\/strong> A thicker BOPP film does not automatically produce a better tape if the adhesive system is not matched to it.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Tensile Strength: Aim for 150+ MPa MD<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tensile strength shows how much force the BOPP film can withstand before breaking.<\/strong> For tape-grade BOPP, a practical reference is around <strong>150 MPa or higher in MD<\/strong> and <strong>260\u2013300 MPa or higher in TD<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MD means machine direction, while TD means transverse direction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, published tape-film data include <strong>160 MPa MD and 305 MPa TD<\/strong> at 20 \u03bcm thickness. Other tape-film specifications list <strong>\u2265150 MPa MD and \u2265260 MPa TD<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>For general packaging tape, 150 MPa+ MD tensile strength is a useful starting point.<\/strong> If the tape must handle higher tension during application or converting, a higher-strength film may be preferred.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Elongation: About 150\u2013180% MD<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Elongation describes how much the film can stretch before breaking.<\/strong> Tape-grade BOPP commonly shows around <strong>150\u2013180% MD elongation<\/strong> and <strong>50\u201365% TD elongation<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One published 20 \u03bcm tape-grade BOPP film reports <strong>155% MD and 55% TD elongation<\/strong>. Other tape-film TDS data specify MD elongation up to 180% and TD up to 65%.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Elongation should be considered together with tensile strength.<\/strong> A film with the right balance can run smoothly during coating, slitting, and tape application.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. <a href=\"https:\/\/szfilmfactory.com\/ru\/blog\/bopp-film-corona-treatment\/\" target=\"_blank\" rel=\"noreferrer noopener\">Corona Treatment<\/a>: 38\u201342 dyn\/cm<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Surface tension is one of the most important specifications when BOPP film will be coated with adhesive.<\/strong> Untreated polypropylene has relatively low surface energy, so surface treatment is normally required to improve coating wetting and adhesion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For adhesive tape applications, <strong><a href=\"https:\/\/szfilmfactory.com\/ru\/blog\/bopp-film-corona-treatment-decay-solutions\/\" target=\"_blank\" rel=\"noreferrer noopener\">38 dyn\/cm<\/a> is a common minimum reference<\/strong>, while <strong>38\u201342 dyn\/cm<\/strong> is a practical target range for many coated BOPP applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Public tape-film TDS data show corona treatment around <strong>38\u201339 dyn\/cm<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A higher initial dyne level does not always mean better long-term performance.<\/strong> Treatment retention is also important because surface tension can decrease during storage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For this reason, tape manufacturers should check both the <strong>initial treatment level and the recommended storage conditions<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. Haze: Preferably Below 2%<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Haze affects how clear the finished adhesive tape looks.<\/strong> For transparent packaging tape, a practical target is generally <strong>\u22642% haze<\/strong>, with premium clear applications often looking for even lower values.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Published tape-film specifications include haze values around <strong>0.8\u20132.0%<\/strong>, depending on the film grade and thickness.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Choose lower haze when visual clarity is important.<\/strong> This is especially relevant for clear carton sealing tape and printed tape where the appearance of the backing film affects the final product.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Gloss: Around 90\u201395%<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gloss affects the visual appearance of the tape backing.<\/strong> A tape-grade BOPP film with around <strong>90\u201395% gloss<\/strong> can provide a bright and clean surface for clear and printed tape applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Public BOPP tape-film data commonly show gloss values around <strong>90% or higher<\/strong>, with some 20 \u03bcm film data reaching approximately 94%.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Coefficient of Friction: About 0.35\u20130.50<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Coefficient of friction affects how the film moves through converting and rewinding equipment.<\/strong> A typical reference range for BOPP tape film is around <strong>0.35\u20130.50<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, published data show COF values of approximately <strong>0.40\u20130.45<\/strong>, while some tape-film specifications use <strong>\u22640.50<\/strong> as a reference.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The right COF depends on your equipment.<\/strong> Too much friction can affect film handling, while very low friction can also create problems during certain converting processes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. Heat Shrinkage: Keep It Low<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Low heat shrinkage helps maintain dimensional stability during tape production.<\/strong> A common reference for BOPP tape film is around <strong>\u22643.5\u20135% in MD<\/strong> and <strong>\u22641\u20133% in TD<\/strong>, depending on the test temperature and test method.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example, published tape-film data report MD shrinkage around <strong>3.5%<\/strong> and TD shrinkage around <strong>1%<\/strong> under specified test conditions. Other specifications list maximum values of <strong>3.5% MD and 2% TD<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Always compare shrinkage data using the same test conditions.<\/strong> Temperature and test time can change the result, so a number without its test method is not enough for a technical comparison.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What BOPP Film Thickness Is Best for Packing Tape?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>For general carton sealing tape, 25\u201350 \u03bcm is a practical starting range for BOPP backing film.<\/strong> The exact thickness depends on the required tape strength, adhesive coating weight, roll length, application method, and target cost.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For example:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Application<\/th><th>Suggested Starting Thickness<\/th><\/tr><\/thead><tbody><tr><td>Lightweight packaging tape<\/td><td><strong>20\u201325 \u03bcm<\/strong><\/td><\/tr><tr><td>General packaging tape<\/td><td><strong>25\u201340 \u03bcm<\/strong><\/td><\/tr><tr><td>Medium-duty carton sealing tape<\/td><td><strong>40\u201350 \u03bcm<\/strong><\/td><\/tr><tr><td>Heavy-duty applications<\/td><td><strong>50\u201360 \u03bcm<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>These ranges are starting points rather than fixed standards.<\/strong> The final tape construction should be tested with the selected adhesive.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Surface Tension Is Needed for Adhesive Coating?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A surface tension of at least 38 dyn\/cm is a common starting point for BOPP film used with pressure-sensitive adhesive coatings.<\/strong> Many tape-grade products specify around <strong>38\u201339 dyn\/cm<\/strong>, while some applications may require a different treatment level based on the adhesive formulation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Water-based acrylic, solvent-based, and hot-melt adhesive systems can behave differently. Therefore, the film supplier and adhesive supplier should confirm the required surface condition together.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>If you already know your adhesive type, share it with <a href=\"https:\/\/szfilmfactory.com\/ru\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong><strong>Shunzhan New Materials<\/strong><\/strong><\/a> when requesting a film recommendation.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Choose BOPP Film for Your Tape<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>The best film is the one that matches the complete tape construction, not simply the film with the highest specification.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Check these points before placing an order:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Tape application:<\/strong> carton sealing, stationery, printing, or specialty tape.<\/li>\n\n\n\n<li><strong>Film thickness:<\/strong> commonly 20\u201360 \u03bcm.<\/li>\n\n\n\n<li><strong>MD tensile strength:<\/strong> preferably around 150 MPa or higher for general tape applications.<\/li>\n\n\n\n<li><strong>TD tensile strength:<\/strong> commonly 260\u2013300 MPa or higher.<\/li>\n\n\n\n<li><strong>MD elongation:<\/strong> around 150\u2013180%.<\/li>\n\n\n\n<li><strong>TD elongation:<\/strong> around 50\u201365%.<\/li>\n\n\n\n<li><strong>Corona treatment:<\/strong> around 38\u201342 dyn\/cm.<\/li>\n\n\n\n<li><strong>Haze:<\/strong> preferably \u22642% for clear tape.<\/li>\n\n\n\n<li><strong>Gloss:<\/strong> around 90\u201395% for a clear, bright appearance.<\/li>\n\n\n\n<li><strong>COF:<\/strong> around 0.35\u20130.50.<\/li>\n\n\n\n<li><strong>Heat shrinkage:<\/strong> check both MD and TD values under the same test conditions.<\/li>\n\n\n\n<li><strong>Converting performance:<\/strong> confirm that the film runs well on your coating and slitting equipment.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">BOPP Film for Adhesive Tape from <strong><strong>Shunzhan New Materials<\/strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong><strong>Shunzhan New Materials<\/strong><\/strong> produces BOPP and PET films, including BOPP film suitable for adhesive tape manufacturing.<\/strong> We can provide film options based on the required thickness, surface treatment, mechanical properties, and converting process.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For tape manufacturers, technical data should be reviewed before selecting a grade. <strong>Our website also provides a <a href=\"https:\/\/szfilmfactory.com\/ru\/film-tds-technical-data-sheets\/\" target=\"_blank\" rel=\"noreferrer noopener\">Film TDS page<\/a> where you can check available film specifications and compare technical parameters.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you need a specific thickness or surface treatment, you can also send your requirements to our team for evaluation.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Get a BOPP Film Recommendation for Your Tape<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Give us your tape requirements and we can help you identify a suitable BOPP film specification.<\/strong> Tell us the target thickness, adhesive type, tape application, and required roll width if available.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/szfilmfactory.com\/ru\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact <strong><strong>Shunzhan New Materials<\/strong><\/strong><\/a><\/strong> at <strong><a href=\"mailto:info@szfilmfactory.com\" target=\"_blank\" rel=\"noreferrer noopener\">info@szfilmfactory.com<\/a><\/strong> or use our contact form to request a quotation and technical information. If you would like to evaluate the material in person, you are also welcome to discuss a factory visit with our team.<\/p>\n\n\n\n<figure data-spectra-id=\"spectra-mte3g9uk-rwnt5k\" class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"267\" src=\"https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/shunzhan-production-line-1024x267.webp\" alt=\"shunzhan production line\" class=\"wp-image-3505\" title=\"BOPP Film for Adhesive Tape: Key Specifications &amp; How to Choose\" srcset=\"https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/shunzhan-production-line-1024x267.webp 1024w, https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/shunzhan-production-line-300x78.webp 300w, https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/shunzhan-production-line-768x200.webp 768w, https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/shunzhan-production-line-1536x400.webp 1536w, https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/shunzhan-production-line-18x5.webp 18w, https:\/\/szfilmfactory.com\/wp-content\/uploads\/2026\/08\/shunzhan-production-line.webp 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">What is the most common BOPP film thickness for adhesive tape?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>25\u201350 \u03bcm is a practical range for many packaging tape applications<\/strong>, while thinner 20\u201325 \u03bcm and thicker 50\u201360 \u03bcm films are also available for specific requirements.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Is 38 dyn\/cm enough for adhesive tape coating?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>38 dyn\/cm is a common starting point for many adhesive coating applications<\/strong>, but it should not be treated as a universal requirement. The actual target depends on the adhesive formulation and coating process.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is a good tensile strength for tape-grade BOPP film?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Around 150 MPa or higher in MD and 260\u2013300 MPa or higher in TD is a useful reference for many tape applications.<\/strong> Actual requirements depend on film thickness and tape construction.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Does thicker BOPP film always make stronger tape?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>No.<\/strong> Final tape strength also depends on adhesive strength, coating weight, film orientation, and the complete tape structure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How long can corona-treated BOPP film be stored?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Surface treatment can decline during storage.<\/strong> Storage conditions therefore matter. One BOPP tape-film manufacturer recommends keeping film below <strong>30\u00b0C and below 70% RH<\/strong> when longer storage is required to help minimize treatment decay.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Should BOPP tape film be tested before mass production?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Yes.<\/strong> A laboratory TDS cannot fully predict performance on every coating and slitting line. A production trial is recommended to confirm coating adhesion, winding, slitting, and finished tape performance.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What information should I provide when asking for BOPP tape film?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Provide at least the target thickness, tape application, adhesive type, coating method, required width, and expected performance.<\/strong> This information helps the film supplier recommend a more suitable grade.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can <strong><strong>Shunzhan New Materials<\/strong><\/strong> provide BOPP film for custom tape applications?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Yes.<\/strong> <strong><strong>Shunzhan New Materials<\/strong><\/strong> focuses on BOPP and PET film production and can discuss suitable BOPP film options for different adhesive tape applications. Contact us with your technical requirements to discuss the available options.<\/p>","protected":false},"excerpt":{"rendered":"<p>Learn the key specifications of BOPP film for adhesive tape, including thickness, tensile strength, surface tension, haze, gloss, COF, and heat shrinkage, with practical reference ranges for film selection.<\/p>","protected":false},"author":1,"featured_media":3601,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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