Polyurethane reactive pur is an adhesive used in book binding. Perfect binding, also known as adhesive binding, applies an adhesive to the spine of gathered pages which, when dry, keeps them securely bound. Developed for perfect binding in 1989, polyurethane reactive pur adhesive has become the overwhelming preference within the binding industry. Pur binding refers to a softcover book binding method that makes use of polyurethane reactive pur adhesive pur binding is a form of perfect binding, where the pages and cover are glued together at the spine and the other three sides of the book are trimmed as needed to give them clean perfect. With this binding method, the pages and cover are glued together at the spine with a strong yet flexible thermal glue. Eva ethyl vinyl acetate is the standard hot melt adhesive used in regular perfect binding. The glue pur or eva is applied by a nozzle connected to a pressurized tank with separate nozzles for side gluing. Our perfect bound books are all produced with pur glue.
Perfect binding uses ethylene vinyl acetate eva adhesives whereas pur uses polyurethane reactive pur adhesives. Adding another layer of glue to the book block later and attaching the cover works fine. From book binding and woodworking to packaging and flooring, pur glues have proved to be an effective industry standard for hardtobind materials. Were often asked by customers, can you use pur glue in a perfect binding machine, and the answer is yes. A glue trap does exactly whatread more what are glue traps in perfect binding. Eva is a great economical bind and still provides excellent rigidity to the book. Perfect binding is a common bookbinding technique used for commercially produced books as it is a fast method of binding books that can be easily scaled up to meet the production volume required by commercial book publishers. Polyurethane reactive pur is an adhesive used in book binding as an alternative to the traditional hot melt adhesive, commonly known as eva or ethylene vinyl acetate. Perfect binding uses ethylene vinyl acetate eva adhesives. Specially designed to meet the requirements of pur book binding, the bq480 includes a gentle elevator delivery system with a mere 5mm drop and accommodates the lowest temperature setting for pur.
This item perfect book binding machine with roughener unit, hot melt glue book binder 18x12 fellowes binding machine helios 60 thermal 5219501 a4 manual hot glue book binder machine with milling cutter wireless book binding machine for binding books albums notebook with 1 pound glue pellets. Pur bookbinding adhesive application is ideal for premelting, side and spine gluing, and end papering for bound books or book blocks. A soft cover book, that is, a paperback book, may be notch bound. Pur is the most durable and flexible book binding glue available.
Perfect bound books are glued together at the spine and gene. The differences between perfect and pur binding xcaliba. Pur is a great adhesive to use because it is less affected by toughtobond substrates. This book binding tutorial includes a look at a simple home made binding jig. However, perfect binding developed originally for paperback books is being used widely as more durable adhesives are being developed.
Although more expensive, pur is becoming increasingly popular in binding coated stocks and digitally produced toner output. Pur glue reacts with moisture to crosslink molecules for improved performance characteristics. Our most popular product for bookbinding is power adhesives tec 1241f. The equipment used at apak ensures that our perfect bound books have an even distribution of glue along the spine of the book, giving the books a square spine and clean look. There are various options for perfect binding available including eva, pur and notch. We can center very small spine copy on our horizon bq 470 perfect binder. Pur glues have the reputation of exceeding eva glues when it came to heavy coated papers, so we did some testing, assembling huge 1200page 12. Nordson betterbook binding solutions provide comprehensive hot melt bookbinding using pur adhesive binding systems for soft and hardcover books, pamphlets and other perfect bound products. With pgo roughening system, suitable for coated papers. On your proposals, sometimes you will see a note from us that says, covers must overhang insides by minimum 18. There are basically two different types of perfect binding, hotmelt glue and pur glue.
Pur adhesive provides a binding at the spine that is significantly stronger, more flexible and more durable than traditional hot melt. It is equipped with a patented closed gluing system where the spine and side gluing is applied by a slot applicator for the utmost binding quality and accuracy. While traditional perfect binding uses eva glue or animal glue, pur is an effective and efficient alternative. Optional crb160 impact creaser can be online to prepare creased up to 8 line cover. A guide to hotmelt glue and pur glue binding purely digital. Due to pur using smaller amounts of adhesive over perfect binding it also means that you can achieve a square spine on even the thinnest of books. Perfect binding is one of the most appealing and popular finishing services offered. We offer padding, cold melt perfect binding, hot melt perfect binding and pur glues for a variety of machines. Pur adhesive is the most aggressive adhesive for book binding on the market and works well on all types of paper, even aqueous coated stocks or books printed with heavy ink coverage or uncoated papers. Single leaves are jogged to form a straight block, and the spine edge is glued with a hotglue pur or eva and glued instantly inside a card cover. Arguably the most important thing to consider is that pur adhesive affords. Morgana digibook 150 pur perfect binding machine youtube. At that time, hot melts attempted to overcome the disadvantages of emulsion adhesives while retaining the desirable characteristics of pull strength and flexibility. Bourg is the first manufacturer worldwide to use the pureone tm compact adhesive system with applicator from nordson.
In perfect binding, adhesive alone is used to attach the pages of a book together and attach the book s cover. Loose sheets are gathered in order, milled and hot glued on the spine, and an automatically hinge scored cover is then added by nipping. Another benefit of pur glue over eva for perfect binding is the lay flat capability, which is especially favorable for photo book binding. Most paperbacks and some hard cover books have a perfect binding. The sterling digibinder has created a new standard for on demand perfect binding equipment. Perfect binding there are many choices when it comes to binding your printed project. Polyurethane reactive hot melt glues are often used for perfect binding and are very different from eva and styrene butadiene rubber sbr hot melts. The pur was clearly stronger, as well as being more flexible, which helps books lie open during reading. Perfect bound book printing is the most popular type of soft cover book binding. I have had a book on the family history published perfect binding and they began to fall apart within a week and now they are suggesting that it be pur bound. Robatech a leading manufacturer of gluing applicators and henkel worlds largest adhesive.
Standard perfect binding utilizes standard eva hot melt glue of the highest quality. Perfect binding, tape binding and lining binding for case binding can be performed. Pur binding refers to a method of perfect binding that has become increasingly popular in the last few years. Though books are sold as hardcover or paperback, the actual binding of the pages is important to durability. Trade bindery can produce a perfect bound book as thin as 116th inch inside text. Perfect binding is a process of using glue as an adhesive to stick the interior pages and the cover together. In the process of pur perfect binding, there are many cleaners and lubricants that are necessary helpers. Never has an adhesive binder been able to create books of such quality with automatic set up at such an affordable price. It is the most durable and flexible book binding glue available. Perfect binding orlando printing, design, mail, large format. Put simply, the binding really only differs by way of the type of glue used.
Adhesive binding the bindery is proud to be one of the nations largest perfect binders, offering multiple options and horsepower. Perfect binding tutorial bookbinding workshop singapore. A spin off from perfect binding, due to the use of pur, this hot melt adhesive is similar to eva hot melts except it is made with a polyurethane reactive material. Perfect binding is not a stitch binding at all, but a solely adhesive based binding. As with traditional perfect binding, a books pages and cover are glued together at the spine while the three remaining sides are trimmed to give. Hotmelt glue is suitable for books with a starting spine width of 3mm and paper up to a maximum weight of 170gsm. In reality, perfect binding is one of many forms of adhesive binding. Glue is then applied at the binding edge for attaching the cover. You will need to keep the pages clamped together for a while as it dries. As the adhesive dries, a chemical reaction occurs naturally when exposed to the moisture in the air. Perfect bound, notch, burst, pur star print brokers. Pur adhesive was approved for otabind style binding also. A strong and flexible layer, which may or may not be the glue itself, holds the book together. The standard horizon bq480 perfect binder features the quickest setup and changeover for variable book production in its class, especially for book ofone.
Perfect binding is produced by creating folded sections of your book sheets which then are collated into order. Sep 01, 2011 without proper penetration into and between the sheets, a perfect bound book will have a limited ability to stay together. The pur glue is applied on the book spine and on the sides by. Heres a short list of solutions to ensure a smooth process. This technique uses eva ethylene vinyl acetate to glue the pages. Small notches are cut out of the spine side of the signatures.
From small, microruns, to large multibinder runs, we have you covered when. Saddle stitch, wireo and spiral binding cannot offer this. As with traditional perfect binding, a books pages and cover are glued together at the spine while the three remaining sides are trimmed to give them the classic perfect edges. Morgana digibook 200 automatic pur perfect binding machine. Its the technique that is used to bind paperback books and youll frequently come. Apr 16, 2008 glue options for perfect bound paperback books.
Because of such widespread popularity, perfect bound books are. Oct 24, 2011 martyn, i have found your article on pur binding extremely informative. Doityourselfer andrew seltz demonstrates how to make a glue bound paper back book using a hot glue gun and eva glue. Pur perfect binding connecticut valley bindery and finishing. Fastbind provides a large range of perfect hot glue binders satisfying different binding needs from office presentations and traditional paperbacks to more demanding jobs such as hard cover binding or difficult, heavy or coated paper stock with pur technology. Pur binding is a form of perfect binding, where the pages and cover are glued together at the spine and the other three sides of the book are trimmed as needed to give them clean perfect edges.
Commonly, a soft paper or paperboard cover or paperback is attached over the binding adhesive. Perfect binding is a widely used soft cover book binding method. Glue options for perfect bound paperback books diy bookbinding. The milling blade is specifically designed for pur binding and is adjustable from 0 564 2 mm. Ideal for difficult stocks and books subject to heavy usage. Specialized systems meet the needs for lower volume, book ondemand digital printing operations as well as largescale, commercial perfect binding operations. This solution has been successfully integrated into the bourg binder bb3002 pur c and creates a costeffective and highperforming perfect binder.
Capabilities, capacity, quality, fast turns and dependability. The recent arrival of a new gluing system called planamelt, a much more powerful hot melt adhesive than pur, has revolutionised the pur process by offering pur s advantages over perfect binding but without introducing the disadvantages that pur creates, or any other drawbacks. Click on the bars below to see more information on pur adhesive. Pur binding refers to a softcover book binding method that makes use of polyurethane reactive pur adhesive. This product was formulated as a high quality spine glue. Eva hot melt glues still have their place in bookbinding, especially when it comes to binding threadsewn books, as the thicker glue allows for. May 01, 2008 hotmelt bookbinding adhesives the term perfect binding was created in 1911 to describe hotmelt adhesive application in the bookbinding process. The book on the left is bound using pur adhesive, and the book on the right is bound using eva adhesive. Alternative methods of binding that are cheaper but less.
Whether youre looking for graphic art adhesive, or a perfect binding hot melt for book sides or spines, youll find that our selection of hot melt adhesives is the best there is in the market today. Suitable to produce personalized photo book production such as wedding albums and travel albums. An examination of the perfect binding process starts with understanding the differences between the two types of glue as a polyurethane reactive material, pur makes a highly effective adhesive because it can form strong bonds to many different materials. Jan 23, 2014 pur binding refers to a softcover book binding method that makes use of polyurethane reactive pur adhesive pur binding is a form of perfect binding, where the pages and cover are glued together at the spine and the other three sides of the book are trimmed as needed to give them clean perfect edges. Pur case perfect binding or pur adhesive case bound is now in wide use for commercial applications with printers and book publishers. Bookmobile adds pur binding for art books and fine art photo. My book is of 440 pages 128gsm silk with a soft cover which has been laminated. Pur adhesive is most commonly associated with softcover books that are bound with the perfect binding method. Polyurethane reactive pur hot melt glue supplier ld davis. Jun 04, 2018 in the process of pur perfect binding, there are many cleaners and lubricants that are necessary helpers.
Jan 08, 2019 pur is a great adhesive to use because it is less affected by toughtobond substrates. The morgana digibook 200 pur perfect binding machine is ideally suited to traditional and digital printers who require short runs of pur perfect bound books to a professional standard. Perfect bound publications have rectangular backbones. Pur is the strongest, most flexible binding adhesive available and offers. This chemical reaction increases the book s pull and flex strength. As with eva, pur adhesive requires the backbone of the book to be prepared in much the same way, utilizing milling knives, notching heads, and roughing andor equalizing heads to create fiber. A cold glue or pur polyurethane reactive adhesive adhesive will solve this problem. Pur glue is more durable and flexible than eva glue and, once the glue has set, it is almost impossible to tear a page out of a pur bound book. The equipment used at apak ensures that our perfect bound books have an even distribution of glue along the spine of the book, giving the books a.
Pur glue is more durable and flexible than eva glue and, once the glue has set, it is almost impossible to tear a page out of a purbound book. May 17, 2018 the recent arrival of a new gluing system called planamelt, a much more powerful hot melt adhesive than pur, has revolutionised the pur process by offering purs advantages over perfect binding but without introducing the disadvantages that pur creates, or any other drawbacks. As with eva, pur adhesive requires the backbone of the book to be prepared in much the same way, utilizing milling knives, notching heads. Glue fills in the notches and then the cover is is. The stack is then bound together along one edge by either sewing with thread through the folds or by a layer of flexible adhesive. Whether you need binding for a soft cover book, oversized magazine, photo book, annual report or product catalog, perfect binding is an excellent choice. Bookmobile adds pur binding for art books and fine art. The blade is comprised of triangular, rotating teeth which triples the life of the blade. This works well on regular trade paper backs or textbooks, catalogs, and other perfect bound. Bookbindingperfect binding wikibooks, open books for an. Pur will enhance the performance of any book by giving it greater. Pva glues are acid free and used in libraries to repair books. Our industryleading service combined with new, stateoftheart equipment provides the best in book bindery for your bindery needs. Fastbind hot melt eva and pur perfect binding machines for personalized hard and soft cover books are perfect for ondemand and small series finishing.
This massive two book set was printed digitally and pur glue perfect bound and shows massive sized 8. The other three sides of the book are then trimmed as needed to give them clean perfect edges. Bookbinding is the process of physically assembling a book of codex format from an ordered stack of paper sheets that are folded together into sections or sometimes left as a stack of individual sheets. The book is then trimmed on 3 sides to the finished size which completes the job. Many authors need the lay flat performance of a pur glue perfect binding. It has set the bar high for all perfect binders to.
Note the thinner bead of glue required with pur eva ethyl vinyl acetate is the standard hot melt adhesive used in regular perfect binding. It is the easiest and least durable way to produce books, and is how most paperback books are bound. Perfect bound books are inexpensive to make and provide a durable, high quality professional look that cant be matched. Cold emulsion binding, double shot hot melt binding, otabind, and sewn book block w soft cover. As with traditional perfect binding, a book s pages and cover are glued together at the spine while the three remaining sides are trimmed to give them the classic perfect. Pur is resistant to this and will form a superstrong bond with all weights and finishes of. Pur polyurethane reactive offers extreme durability, temperature stability and flexibility. The digibook 200 can bind up to 200 books per hour. Both methods offer highquality, highstrength binding. Glue options for perfect bound paperback books diy. The glue used for the perfect bind is either eva or pur. The fully bound book is then trimmed to size for the finished and consistent product. Perfect book binding bindery welcome to bound perfect. Bound perfect bindery offers perfect binding services with pur adhesive.
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