{"product_id":"henkel-technomelt-pur-3317-br-bookbinding-adhesive-pellets-1kg-bag","title":"Henkel Technomelt PUR 3317 BR Bookbinding Adhesive Pellets (1kg Bag)","description":"\u003ch2\u003eHenkel Technomelt PUR 3317 BR for PUR Perfect Binding\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHenkel Technomelt PUR 3317 BR\u003c\/strong\u003e, formerly known as \u003cstrong\u003ePurmelt QR 3317 BR\u003c\/strong\u003e, is a one-part polyurethane reactive hot-melt adhesive developed for commercial perfect binding and book-spine gluing. This listing includes one sealed \u003cstrong\u003e1 kg bag of adhesive pellets\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eTechnomelt PUR 3317 BR provides excellent adhesion across a wide range of papers and difficult-to-bind materials. Its moisture-curing PUR chemistry produces a strong, flexible spine that performs well on demanding books, catalogs, manuals, digitally printed work, and other applications where conventional EVA adhesive may not provide sufficient durability.\u003c\/p\u003e\n\n\u003cp\u003eThis adhesive is commonly supplied for the \u003ca href=\"\/products\/standard-horizon-bq-160\"\u003eStandard Horizon BQ-160 PUR Perfect Binder\u003c\/a\u003e and may also be used in other compatible open-tank PUR binding systems. Browse Mid-State Litho's complete selection of \u003ca href=\"\/collections\/book-binding-glue-for-perfect-binders\"\u003ecommercial bookbinding adhesives\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e This is a moisture-reactive PUR adhesive and must only be used in equipment designed or configured for PUR. Do not load it into an EVA-only glue pot. Confirm binder compatibility and follow the equipment manufacturer's operating and cleaning instructions before changing adhesives.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReactive PUR chemistry:\u003c\/strong\u003e Moisture-curing polyurethane adhesive creates a durable and highly flexible bond.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMade for perfect binding:\u003c\/strong\u003e Developed for commercial book production and spine gluing of thread-sewn books.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrong material adhesion:\u003c\/strong\u003e Suitable for a variety of papers and difficult-to-bind materials.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible cured film:\u003c\/strong\u003e Helps finished books open more naturally while maintaining page-pull strength.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMedium open time:\u003c\/strong\u003e Provides controlled application in compatible production binding equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact package:\u003c\/strong\u003e Supplied as one sealed 1 kg bag of pellets for easy handling and inventory control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature flexibility:\u003c\/strong\u003e The cured adhesive remains flexible across high- and low-temperature conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePerfect-bound books, manuals, catalogs, directories, and reports\u003c\/li\u003e\n  \u003cli\u003eShort-run digital and commercial book production\u003c\/li\u003e\n  \u003cli\u003eBook-spine gluing of thread-sewn signatures\u003c\/li\u003e\n  \u003cli\u003eDifficult-to-bind paper stocks and demanding applications\u003c\/li\u003e\n  \u003cli\u003ePVC and acetate films where permitted by the application\u003c\/li\u003e\n  \u003cli\u003eHorizon BQ-160 PUR and other verified PUR-capable perfect binders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003ePP and PE films require recent corona treatment with a surface tension above 40 mN\/m. Because paper, coating, toner, film, and production conditions vary, Henkel recommends testing the complete application before beginning production.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eHenkel\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTechnomelt PUR 3317 BR\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eFormer product name\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003ePurmelt QR 3317 BR\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMid-State Litho SKU\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eQR3317BR\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePackage size\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1 kg sealed bag\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePhysical form\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003ePellets \/ granules\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAdhesive type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003ePolyurethane reactive hot melt\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eReactive prepolymer\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCuring method\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMoisture cure\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAppearance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eWhite \/ transparent, fluorescent\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eApplication method\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eRoller or nozzle\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRecommended working temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e115–130°C (239–266°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eViscosity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2,500–4,500 mPa·s at 130°C\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOpen time\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eMedium\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRecommended adhesive-film thickness\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.3–0.6 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInitial bond development\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApproximately 50–80% of final strength after 12–24 hours\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eFull cure\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApproximately 1–2 days, depending on conditions\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eShelf life\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e12 months in unopened original packaging when stored cool and dry\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eProcessing and Storage\u003c\/h3\u003e\n\n\u003cp\u003eKeep the original package sealed and protected from moisture until use. Rotate inventory and use the oldest material first. Do not mix Technomelt PUR 3317 BR with other adhesives. Freshly bound products should be stored at or above 18°C (64°F), as colder storage conditions can significantly extend the chemical curing time.\u003c\/p\u003e\n\n\u003cp\u003eHenkel recommends an adhesive-film thickness of 0.3–0.6 mm, with the upper end of that range used for book blocks thicker than approximately 10 mm. Actual roller or nozzle temperature may differ from the machine's displayed setting, so operators should verify the working temperature according to the binder manufacturer's instructions.\u003c\/p\u003e\n\n\u003ch3\u003eCleaning PUR Binding Equipment\u003c\/h3\u003e\n\n\u003cp\u003eReactive PUR adhesive requires the correct cleaning and shutdown procedure. Mid-State Litho carries \u003ca href=\"\/products\/purcl4-pur-melt-cleaner-2-1kg-bag\"\u003eTechnomelt PUR Cleaner 2\u003c\/a\u003e and \u003ca href=\"\/products\/technomelt-pur-cleaner-all\"\u003eTechnomelt PUR Cleaner All-In-1\u003c\/a\u003e for compatible cleaning and maintenance applications.\u003c\/p\u003e\n\n\u003cp\u003eUse the cleaner specified by the binder manufacturer for the tank, applicator, hose, or shutdown procedure being performed. Partially cured adhesive must not be treated like ordinary EVA hot melt.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Buy PUR Adhesive from Mid-State Litho?\u003c\/h3\u003e\n\n\u003cp\u003eMid-State Litho sells, installs, and services the PUR perfect binders these adhesives run in. Our team can help confirm machine compatibility, operating requirements, cleaning products, and adhesive selection before you order. We support commercial printers, binderies, and in-plant operations throughout Michigan and the Great Lakes region.\u003c\/p\u003e\n\n\u003cp\u003eCall \u003ca href=\"tel:18003434231\"\u003e1-800-343-4231\u003c\/a\u003e for compatibility assistance, volume quantities, or help troubleshooting a perfect-binding application.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs Technomelt PUR 3317 BR the same as Purmelt QR 3317 BR?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Technomelt PUR 3317 BR is the current Henkel product name. It was formerly sold as Purmelt QR 3317 BR, which is why the QR3317BR designation is still commonly used when ordering it.\u003c\/p\u003e\n\n\u003ch3\u003eIs QR3317BR the correct adhesive for the Horizon BQ-160 PUR?\u003c\/h3\u003e\n\n\u003cp\u003eYes, this 1 kg pellet package is commonly supplied for the Standard Horizon BQ-160 PUR Perfect Binder. Confirm that your machine is the PUR configuration rather than an EVA-only version before ordering.\u003c\/p\u003e\n\n\u003ch3\u003eCan I use this adhesive in a standard EVA perfect binder?\u003c\/h3\u003e\n\n\u003cp\u003eNo. Technomelt PUR 3317 BR is a moisture-reactive PUR adhesive and requires PUR-capable application equipment and the correct PUR cleaning procedure.\u003c\/p\u003e\n\n\u003ch3\u003eHow long does Technomelt PUR 3317 BR take to cure?\u003c\/h3\u003e\n\n\u003cp\u003eDepending on humidity, paper moisture, adhesive thickness, material permeability, and storage temperature, the adhesive can reach approximately 50–80% of its final strength after 12–24 hours. Full cure generally takes 1–2 days.\u003c\/p\u003e\n\n\u003ch3\u003eHow should an opened bag be stored?\u003c\/h3\u003e\n\n\u003cp\u003eProtect the adhesive from humidity and moisture and reseal the package immediately. Because PUR reacts with atmospheric moisture, opened material should be used promptly according to Henkel and equipment-manufacturer instructions.\u003c\/p\u003e\n\n\u003ch3\u003eWhich cleaner should be used with this adhesive?\u003c\/h3\u003e\n\n\u003cp\u003eThe correct cleaner depends on the machine and cleaning procedure. Mid-State Litho carries Technomelt PUR Cleaner 2 and PUR Cleaner All-In-1. Contact us with your binder model if you need help selecting the appropriate cleaner.\u003c\/p\u003e","brand":"Henkel","offers":[{"title":"Default Title","offer_id":46791116816545,"sku":"QR3317BR","price":62.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0450\/1068\/2017\/files\/henkel-technomelt-pur-3317-br-hot-melt.jpg?v=1785434106","url":"https:\/\/midstatelitho.com\/products\/henkel-technomelt-pur-3317-br-bookbinding-adhesive-pellets-1kg-bag","provider":"Mid-State Litho","version":"1.0","type":"link"}