{"id":3684,"date":"2026-10-21T09:47:58","date_gmt":"2026-10-21T01:47:58","guid":{"rendered":"http:\/\/www.granit-optom.com\/blog\/?p=3684"},"modified":"2026-10-21T09:47:58","modified_gmt":"2026-10-21T01:47:58","slug":"what-kind-of-inks-are-suitable-for-printing-on-polyvinylidene-chloride-plain-film-4feb-edd63c","status":"publish","type":"post","link":"http:\/\/www.granit-optom.com\/blog\/2026\/10\/21\/what-kind-of-inks-are-suitable-for-printing-on-polyvinylidene-chloride-plain-film-4feb-edd63c\/","title":{"rendered":"What kind of inks are suitable for printing on Polyvinylidene Chloride Plain Film?"},"content":{"rendered":"

If you\u2019ve been working with Polyvinylidene Chloride (PVDC) plain film for any length of time, you already know it\u2019s a workhorse material across industries\u2014from food packaging that keeps snacks fresh for months to medical blister packs that shield sensitive pharmaceuticals from moisture and oxygen. As someone who\u2019s spent the last 12 years supplying high-quality PVDC plain film to manufacturers and converters around the world, one question I get asked more than any other is: \u201cWhat inks will actually stick to this stuff without cracking, fading, or peeling off before the job is done?\u201d It\u2019s a fair question. PVDC\u2019s unique chemical makeup\u2014its dense, non-porous surface and high crystalline structure\u2014makes it tricky for standard inks to bond with. I\u2019ve seen brands waste thousands of dollars on generic ink batches that failed mid-print job, or on poorly pre-treated film that led to costly returns. Today, I\u2019m breaking down exactly what inks work for PVDC plain film, why they work, and what to avoid, based on real-world experience from our production floor and years of collaborating with converters who rely on our film. Polyvinylidene Chloride Plain Film<\/a><\/p>\n

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First, let\u2019s get one key point straight: PVDC plain film isn\u2019t a one-size-fits-all surface. It\u2019s often used for different applications, which means the right ink depends on what you\u2019re printing, how it\u2019ll be used, and what kind of printing method you\u2019re using. For example, a food packaging label that will go through a heat-sealing process needs an ink that can withstand high temperatures without transferring toxic residues, while a medical blister pack needs an ink that\u2019s resistant to sterilization methods like gamma radiation or ethylene oxide. I can\u2019t stress enough how many people skip this step when choosing ink\u2014they pick a product that works for a different plastic and end up with a product that\u2019s unsafe, unbranded, or fails in the field.<\/p>\n

Let\u2019s start with the most reliable ink type for PVDC plain film: solvent-based inks formulated for vinyl and barrier plastics. I know what some of you are thinking\u2014solvent inks sound old-school, and with the rise of water-based and UV inks, you might be tempted to skip them. But for PVDC, solvent-based inks have stood the test of time for two big reasons. First, their chemistry is designed to etch into non-porous, high-surface-energy plastics like PVDC, creating a mechanical bond that doesn\u2019t just sit on top. Unlike water-based inks, which struggle to wet PVDC\u2019s dense surface, solvent-based inks use a carrier (usually a mix of organic solvents like toluene, methyl ethyl ketone, and isopropyl alcohol) that softens the top layer of the PVDC film just enough to let the ink\u2019s pigment particles seep in slightly. When the solvent evaporates, the pigment is locked into the film\u2019s surface, creating a bond that resists scratching, moisture, and even mild chemicals.<\/p>\n

Over the years, we\u2019ve worked with dozens of converters who use these inks for everything from retail packaging labels to flexible food pouches. One customer, a small snack brand in Ohio, switched from generic solvent inks on our PVDC plain film two years ago, and their print defect rate dropped from 8% to less than 1%. They told me the difference was night and day\u2014their previous ink would peel off during the packaging line\u2019s heat-sealing process, leading to unmarked boxes that got sent to grocery stores. The right solvent-based ink, paired with a quick corona treatment step (more on that later), solved that problem entirely. That said, not all solvent inks are equal. You need to make sure the ink is specifically formulated for \u201cbarrier plastics\u201d like PVDC, not just generic vinyl ink. Generic vinyl ink uses a softer binder that can\u2019t stand up to PVDC\u2019s rigid surface, leading to cracking when the film is stretched or folded during packaging.<\/p>\n

Next up, UV-curable inks designed for low-surface-energy (LSE) substrates. This is a newer category that\u2019s grown in popularity as manufacturers look for more eco-friendly alternatives to solvent inks, which can emit volatile organic compounds (VOCs). For PVDC plain film, UV inks work well for certain applications, especially when converters are doing digital printing, which is increasingly common for short-run packaging and custom branded products. Here\u2019s how they work: UV inks use photoinitiators that harden instantly when exposed to UV light, which means they don\u2019t require a solvent carrier to evaporate\u2014no VOC emissions, no waiting for the ink to dry. That makes them great for fast print runs where downtime is expensive.<\/p>\n

But here\u2019s the catch with UV inks on PVDC: not all UV inks can bond with its surface. You need UV inks specifically formulated for LSE plastics, with a specially modified acrylic binder that creates a strong chemical bond with PVDC\u2019s chlorine-rich surface (PVDC gets its name from its vinyl chloride monomer units, which contain chlorine). Standard UV inks are designed for porous surfaces like paper or higher-surface-energy plastics like PET, so they\u2019ll bead up and peel off PVDC unless they\u2019re made to interact with chlorine atoms. We\u2019ve tested this in our own facility: when we print a standard UV ink on untreated PVDC, the adhesion rating is just 2 out of 5 on the tape test (you know, the one where you press packing tape to the print and pull it off\u2014if ink comes off, it\u2019s bad). Switch to an LSE-formulated UV ink, and that rating jumps to 4.5 out of 5, which is industry-grade for most packaging applications.<\/p>\n

Another upside of UV inks: they\u2019re resistant to fading and moisture, which makes them ideal for outdoor packaging, like garden seed packets or marine supply labels. The downside? They\u2019re more expensive than solvent inks, and they require specialized UV curing equipment, which can be a barrier for small converters. Also, if you\u2019re printing on thin PVDC plain film (less than 20 microns), the UV light can sometimes cause the film to warp if the curing time is too long, so you have to adjust your settings carefully. It\u2019s doable, but it\u2019s not as straightforward as solvent inks, which makes them a better fit for larger operations with dedicated printing lines.<\/p>\n

Now, what about water-based inks? I get this question all the time, especially since sustainability is such a big topic right now. Water-based inks are non-toxic, have almost no VOCs, and are cheaper than both solvent and UV inks. But here\u2019s the reality: water-based inks almost never work well on untreated PVDC plain film. PVDC\u2019s surface is hydrophobic (water-repellent), so water-based inks bead up instead of spreading evenly, leading to uneven print density and poor adhesion. Can you fix that? Maybe, but it requires a lot of extra steps\u2014like pre-treating the film with a primer layer, which adds cost and production time. Even then, we\u2019ve seen adhesion ratings top out at 3 out of 5, which is too low for most packaging applications that need to withstand shipping, moisture, or handling. The only exception we\u2019ve found is for very short-run, low-stakes printing\u2014like a one-time event banner that won\u2019t see heavy use. For anything that\u2019s going to be a commercial product, water-based inks are not a reliable choice for PVDC.<\/p>\n

Now, the most important part of this whole process, and something I wish more people emphasized: surface pretreatment. No matter which ink you choose, if you don\u2019t pre-treat your PVDC plain film, you\u2019re going to have adhesion issues, period. PVDC\u2019s surface energy is naturally low\u2014usually around 38 dynes per centimeter, while most inks require a surface energy of at least 42 dynes to bond. Corona treatment is the standard, most cost-effective way to raise that surface energy. Here\u2019s how it works: you pass the PVDC film through a high-voltage electrical charge that oxidizes the top layer of the film, creating polar groups that the ink can bind to. It\u2019s a quick, in-line step that adds almost no time or cost to your production, but it makes a world of difference. We recommend all our customers use a corona treatment level of 44-46 dynes per centimeter for printing\u2014any lower, and adhesion will be weak; any higher, and you might damage the film\u2019s barrier properties (which are critical for applications like food packaging).<\/p>\n

Another pretreatment option is plasma treatment, which is more high-tech and used for specialized applications, like medical-grade PVDC film that can\u2019t be exposed to the chemicals sometimes used in corona treatment. Plasma treatment uses a low-pressure gas plasma to modify the surface, raising the surface energy without damaging the film. It\u2019s more expensive than corona treatment, but it\u2019s perfect for sensitive applications where consistency is key. We work with a medical device manufacturer that uses plasma-treated PVDC plain film to print sterile blister packs, and they haven\u2019t had a single adhesion issue in three years of working together.<\/p>\n

Now, let\u2019s talk about what to avoid. First, generic inks that aren\u2019t formulated for barrier plastics or LSE substrates. I\u2019ve seen converters grab a bucket of ink from a local supply store that says \u201cworks on all plastics\u201d and wonder why it fails. It\u2019s not all plastics\u2014PVDC is one of the trickiest ones. Second, skipping pretreatment. I know it\u2019s an extra step, but cutting corners here will lead to more waste, more returns, and more frustration. Third, ink that\u2019s too old or improperly stored. Solvent inks can thicken over time, UV inks can lose their photoactivity if exposed to light, and water-based inks (even though we don\u2019t recommend them) can grow bacteria. Always check the ink\u2019s expiration date, and store it in a cool, dark place.<\/p>\n

Let\u2019s also cover application-specific considerations, because not all uses of PVDC plain film are the same. If you\u2019re printing food packaging, you need to make sure your ink is FDA-approved for food contact. Both solvent-based barrier inks and LSE UV inks have FDA-approved formulations, but you have to confirm that with your ink supplier\u2014some solvent inks use harmful pigments or solvents that can transfer to food. For medical applications, look for inks that are ISO 10993 compliant, meaning they\u2019re non-toxic and won\u2019t react with sterilization processes. For outdoor applications, UV inks are a better choice because they\u2019re fade-resistant, while solvent inks can break down after prolonged sun exposure.<\/p>\n

Over my 12 years in this industry, I\u2019ve learned that the best partnerships are when suppliers and converters work together to solve problems. A few years ago, we had a converter who was having consistent issues with ink adhesion on our 15-micron thick PVDC plain film. They were using a standard solvent-based ink and only doing a light corona treatment. We suggested they bump the corona level to 45 dynes and switch to a specific barrier-grade solvent ink we had tested, and their defect rate dropped to zero. That\u2019s the kind of collaboration that makes all the difference\u2014understanding your material, your process, and your needs, instead of just selling a product and walking away.<\/p>\n

If you\u2019re currently struggling with ink adhesion on PVDC plain film, or you\u2019re switching from another material to PVDC and aren\u2019t sure where to start, I\u2019d be happy to walk through your specific needs. Whether you\u2019re a small brand doing short-run custom packaging or a large manufacturer producing millions of flexible pouches, we can help you choose the right ink, pretreatment process, and settings to get high-quality, long-lasting prints that stand up to your application\u2019s demands. We also offer pre-treated PVDC plain film if you don\u2019t have the capability to do on-line corona or plasma treatment, which is a huge time-saver for converters with tight production timelines.<\/p>\n

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At the end of the day, PVDC plain film is one of the most versatile materials in packaging, printing, and medical applications\u2014if you use the right tools with it. The right ink isn\u2019t just about making a label look good; it\u2019s about protecting your product, meeting safety standards, and building brand trust. Don\u2019t let bad ink choices turn a great material into a source of frustration. Reach out, share your project details, and we can help you find the perfect match for your needs.<\/p>\n

Heat Resistant Vacuum Pouch<\/a> References<\/p>\n

    \n
  1. Hanson, C. (2010). Flexible Packaging: A Complete Guide. 3rd ed. CRC Press.<\/li>\n
  2. Rosato, D. V., & Rosato, M. G. (2004). Plastics Materials and Processes: A Concise Encyclopedia. William Andrew Publishing.<\/li>\n
  3. ISO 10993-5:2019, Biological evaluation of medical devices \u2013 Part 5: Tests for in vitro cytotoxicity. International Organization for Standardization.<\/li>\n
  4. Food and Drug Administration. (2022). Guidance for Industry: Preparation of Pre-market Notifications for Food Contact Substances (FDA 21 CFR Parts 170-189). U.S. Food and Drug Administration.<\/li>\n
  5. Schubert, D. W. (2018). Printing on Plastics: Adhesion and Surface Preparation. Journal of Applied Polymer Science, 135(12), 46219.<\/li>\n<\/ol>\n
    \n

    Sinosealed Packaging Solutions Limited<\/a>
    With a professional production team, we are one of the most experienced polyvinylidene chloride plain film manufacturers and suppliers in China. Please rest assured to buy high quality polyvinylidene chloride plain film for sale here from our factory. For price consultation, contact us.
    Address: Luohe City, Henan Province, China
    E-mail: contact@barrierpackage.com
    WebSite:     https:\/\/www.barrierpackage.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

    If you\u2019ve been working with Polyvinylidene Chloride (PVDC) plain film for any length of time, you … What kind of inks are suitable for printing on Polyvinylidene Chloride Plain Film?<\/span>Read more<\/a><\/p>\n","protected":false},"author":255,"featured_media":3684,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[3647],"class_list":["post-3684","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-polyvinylidene-chloride-plain-film-4c88-ee0cb6"],"_links":{"self":[{"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/posts\/3684","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/users\/255"}],"replies":[{"embeddable":true,"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/comments?post=3684"}],"version-history":[{"count":0,"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/posts\/3684\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/posts\/3684"}],"wp:attachment":[{"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/media?parent=3684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/categories?post=3684"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.granit-optom.com\/blog\/wp-json\/wp\/v2\/tags?post=3684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}