https://www.cpadhesives.com/LiteratureRetrieve.aspx?ID=124231, Look at page 16 of this publication: Commercial laminators, like Sentinel Structures, use steam platens. "url": "http://www.totalboat.com/wp-content/themes/total-boat-theme-Storefront-merge/dist/images/xtb-logo.png.pagespeed.ic.sE_9E4HgnO.png" "@type": "ImageObject", When I was younger and worked on many projects of my own design, I always tried to … MATERIALS AND METHODS Three Malaysian hardwood species namely Nemesu (Slwreapauciflora), Kempas (Koompassia … Whether used in the building of a new boat or the repair of an old one, this type of adhesive is considered to be the best glue on the market. Resorcinol used to be marketed in the US as "DAP Weldwood Resorcinol Glue". Another factor is the moisture content of the planking. The glue line is dark brown or reddish brown. What are they thinking. }, "publisher": { What are the Different Types of Adhesive Glue? Many users keep their workspace heated while working with resorcinol adhesive, and some report excellent results from surrounding the work area with an electric blanket. A glue failure has them searching for a new solution. Dry wood failures by the polyurethanes were high and did not differ significantly from the resorcinol. Resorcinol is produced in several steps from benzene, starting with dialkylation with propylene to give 1,3-diisopropylbenzene. The setback means they have time to really consider if Resorcinol was the right glue to use for the planks and planking process. All joints should be clamped until glue or epoxy dries. Now that they are back to the planking, they have discovered another issue. You can buy the same product as "Cascophen G-1131". Ideal for marine applications for maximum resistance. Resorcinol (or resorcin) is an organic compound with the formula C 6 H 4 (OH) 2. "@type": "Organization", It is a white, water-soluble solid. We are also now using heat boxes around the joints to speed up the set time. 4.6 out of 5 stars 20. Resorcinol glue requires high clamping pressure (150-175 PSI is not uncommon), and it also requires curing at elevated temperatures. I’m kind of shocked to see three guys cutting wood on a large band saw and none of them are wearing safety glasses. Chemistry: This is an “RF” adhesive system. I’d prefer […] Department . Butt joints and backing blocks are how my old boat was built. We focus on having the right products, people and technology to ensure our customers get the most out of their relationship with their boats. My 2¢ is that somebody didn’t do their homework. This appeared to be Watching a bit longer I don’t see them wearing safety glasses ever. Furfurylated wood could be glued satisfactorily with two different gluing systems even though the percentage glue line failure increased under wet conditions (van der Zee et al. the failure of these glue lines meeting the standard requirement. Haven’t had any issues since the new glue and the heat boxes. Resorcinol requires a M.C. Customers who bought this item also bought. It’s hard for me to imagine that the modern epoxies and urethane based wood glues would not be better that Resorcinal. Previous page. I’ve seen this using clear (fiberglass) epoxy resin to glue up wood projects. Best time to glue is in the morning. They called up the TotalBoat Tech Team who sent out a few other options that they will test and explore as they decide it’s worth the extra time to find and use the right adhesive. Wasn’t cure time. Mahogany planking is still good after eighty years. Avoid: PVAs. And what kind of example is that to set? Wet wood failures, however, were very low among polyurethanes, which is a sharp contrast to the high wood failure by the resorcinol. 01-27-2016, 02:22 AM #29. Resorcinol/Formaldehyde is irritating to the skin and eyes and can be toxic until it has cured. CDN$ 73.17 Dap 00204 Weldwood Plastic Resin Glue, 4.5-Pound. I paid special attention to not overclamp and took two days to cure. That will give you the temp needed and also needs 24 hours to cure. All gussets should be clamped or stapled. Influence of Solvent upon the Velocity of Uncatalyzecl Resorcinol-Formaldehyde Reaction Cheng Tzu Liu, Tomoichiro Nakatsuka : Mokuzai Gakkaishi 15(2), 79-83 (1969) [Original Article] As the condensation products of resorcinol with formaldehyde, resorcinol-formaldehyde resin, is one of the important wood adhesives, it is necessary to make systematically clear the reaction. Does anyone know where I could find some evidence one way or another? 2007). … It is the glue used in bentwood furniture, which is what all the structural in the Spruce Goose looks like. Cohesive failure usually involves over stressing glues that have become embrittled or stressors due to poor joint design. The glue is made from resorcinol, sometimes called resorcin, which is produced when a large amount of resin is softened and combined with potassium hydroxide. Butt joints are typical because the lap-joint is one of the strongest: depending upon glue to hold your planks together I would not recommend. While resorcinol glue can be costly, it is still the preferred method of gluing certain types of wood. construction. Thick, translucent epoxy for bonding, sealing, gap filling, filleting, and tabbing. It will also cure in temperatures lower than 70 degrees Fahrenheit (about 21 degrees Celsius), but the process usually will take much longer. Marine resorcinol glue is a popular choice for boat assembly and repair, as it is unaffected by salt water, fresh water, and other typically corrosive aquatic conditions. My understanding is that there are lots of emeraudes, jodels and falcos flying around that were built with resorcinol and are continuing to operate without issues. Esthetically, it works best on dark woods. This type of glue often requires mixing before application, and it is important to blend the powder thoroughly and not rush through the project — though the toxic smell may certainly inspire some to work more quickly than usual. Click here to download Product Technical Bulletin Packaging: Liquid resin comes packed in 1 pint can. An exception can be made with the wing rib gussets, as those staples can be left in place if desired. Re: Is Weldwood Plastic glue the same as resorcinol … With a project like this, there are always going to be ups and downs. 1-16 of 73 results for "resorcinol glue" Skip to main search results Eligible for Free Shipping. The adhesive, introduced in 1943, has been popular in aircraft and boat construction. The cured glue line, purple in color, is completely resistant to fresh or. "@id": "http://www.totalboat.com/2019/10/25/acorn-arabella-glue-failure-problems/" "@type": "BlogPosting", "@context": "https://schema.org", }, Every adhesive used on wood has its failures. Epoxy will glue TO wood, while resorcinol will glue IN wood. Page 1 of 1 Start over Page 1 of 1 . Kind of dumb don’t you think. Most of these require a temperature above 50° F to work. When it comes to putting two or more pieces of wood together (like a glu-laminated column), this combination just can’t be beat for both performance and cost effectiveness. Skip to main content.ca. The tannins inside oak respond well to this type of glue, and clean-up is usually easy and stress-free, as long as the adhesive's directions are followed closely. Resorcinol–formaldehyde (RF) and phenol–resorcinol–formaldehyde (PRF) cold-setting adhesives are used primarily in the manufacture of structural, exterior-grade glulam, finger joints, and other exterior timber structures. When a joint delaminates, it can be a failure of any one of the five links. Staples should be removed from all gussets. [4-year clinical experience with gelatin-resorcinol-formol glue in acute dissections of the ascending aorta]. Keeping moisture out of the glue is key to its longevity, and since the adhesive can be costly, proper storage is important to getting the most out of the product. Refastened a couple of times of course. It is the best glue for your application. This is not unusual, Epoxy components, Polyester resins and hardeners or polyurethane are all irritants, or … Totally waterproof, resorcinol resin is recommend for laminating of structural timber components in construction applications such as glue laminated timber beams, glulam structures and finger jointing of timber. { This is a purple adhesive which creates a purple glue line. Since the resorcinol glue was outdated, I am not sure jumping to epoxy and significant testing was warranted. This substance has many uses within the fields of medicine, pharmaceuticals, and supramolecular chemistry. The present study was conducted with one main objective i.e. Directly from CP Adhesives which sells the Aerodux 185. Production. They called up the TotalBoat Tech Team who sent … failure with resorcinol-resin glues was considerably greater on the treated-wood 1 Maintained at Madison, Wis., incooperation with the University of Wisconsin. What are the Different Types of Wood Adhesive? Fibrin glue applied as a sealant frequently did not halt the leak and even caused it to recur postoperatively because of the poor tissue-bonding strength of the glue [3]. Resorcinol in glue form is regarded as highly sturdy and dependable. Hello ... Cascamite Powdered Resin Wood Glue 1.5kg by Polyvine. "@type": "Organization", Once cured, Resorcinol . The most recent was glued with Cascophene/Resorcinol from Aircraft & Spruce Co. Why aren’t you using butt blocks? In prior posts, I’ve mentioned phenol-resorcinol glues. The “Acorns” were slowed down this summer by the unexpected work of figuring out the prop shaft assembly. The average joint strength and wood failure data are presented graphically in figures 1 through 15. Boating enthusiasts find great benefit in using waterproof resorcinol glue. of 8-12%. Most commercial brands of resorcinol glue adhesive have a stated shelf life of one year. "datePublished": "2019-10-25", I’m looking for a source for resorcinol glue. Are there instances of it failing? failure were somewhat lower with the two most highly alkaline formulations of the hot-press phenol-resin glues (A-7 and A-8) on both species of veneer. The setback means they have time to really consider if Resorcinol was the right glue to use for the planks and planking process. "image": "https://i1.wp.com/www.totalboat.com/wp-content/uploads/2019/10/Screen-Shot-2019-10-24-at-3.28.06-PM.png", Is there any research out there on the long term strength of this glue? Adhesive Type: Area of Application: Color of the glue-line: Modified melamine-resin: inside and outside: light to brown: Phenol-resorcinal-resin: inside and outside: dark brown: Polyurethane: inside and outside: light to transparent: Modified melamine-resins and phenol resorcinol-resins contain formaldehyde. The Resorcinol glue they bought for the planking this summer turned out to have gone bad, and now they are experiencing glue failures on planks they had been planning to install on the boat this week. "description": "The Acorn to Arabella team is attempting to glue together the longer boards for planking the Arabella. Too much clamping pressure can cause this sort of weak joint, too. Resorcinol Resin. to the elements. This is a different process than I am familiar with. Wikibuy Review: A Free Tool That Saves You Time and Money, 15 Creative Ways to Save Money That Actually Work. Resorcinol glue is an industrial strength adhesive commonly utilized for lumber and construction projects. For those who want to be “in the know”, here is the straight scoop! Brands vary with composition. Aerodux Resorcinol Resin Kit - 1 Quart in Adhesives & Sealers. to evaluate the integrity of phenol-resorcinoladhesive gluejoints on three Malaysian hardwood species, namely Seraya, Nemesu and Kempas. withstands continuous salt or fresh water immersion, outdoor exposure, and tropical or sub-zero temperatures. Both glue … But, an unforeseen hiccup has stopped their progress and made them question their processes up to now. Popular for restoring classic wood boats and yacht. Page 1 of 1 Start over Page 1 of 1 . Resorcinol glue is an industrial strength adhesive commonly utilized for lumber and construction projects. The resorcinol glue had no failure modes in my experience! All customers get FREE Shipping on orders over $25 shipped by Amazon. Resorcinol glue, also known as resorcinol-formaldehyde, is an adhesive combination of resin and hardener that withstands long-term water immersion and has high resistance to ultraviolet light. It is so popular and well-respected that it is the glue used by the United States Navy on their ships. "mainEntityOfPage": { Free Shipping by Amazon. glue joint failure. There was no indication that the wood was injured by the less concen-trated acid of the urea and melamine glues, F and G, or by the strong alkali of glues C and H. With both resorcinol glues, the thick glue lines withstood repeated stressing better than did the thin glue lines. That is why we have spent the past years working with local boatbuilders and customers to test, evaluate and develop the TotalBoat line. “Phenol – Resorcinol Formaldehyde” (Bracken Engineering, 2012) is a thermosetting adhesive that hardens up when exposed to higher temperatures, which begin to char at 1130 degrees Fahrenheit. Hey 1854, thanks for correcting me about my advice on clamping. Glue was past its shelf life. Gorilla Glue, and Gorgeon Brothers epoxy and fillers are my go to. Seeing the glue is separating and leaving equal residue on each board after failure looks to me like the wood is absorbing the glue leaving the joint dry. I used Resorcinol since my father introduced me to it in the early 50’s when I was 5 years old or so. It was first introduced in 1943 and almost immediately found wide application in the wood boat-building and wood aircraft industry in which the combination of high durability and moderate-temperature curing was extremely important. The cure time was way to short for the oak wood and temperature. injured by the acid of the glue and failed with shallow wood failure. I have a serious caution to offer about Resorcinol glue. I have much better results priming with resin then sanding and then gluing. I have seen many glue joint failures with other adhesives, including resorcinol. Initial dry-test results were slightly lower with formulation A-7 than with the more alkaline formulation A-8. I’m near Baltimore, MD….. Where DAP is headquartered…. The platform is the original made in 1982. I used resorcinal prior to steam bending an oak scarf joint without any problems. A light duty staple gun such as the Arrow JT21 works very well. Two-part epoxy adhesive cures to a flexible solid that forms permanent structural bonds. Resorcinol glue, or resorcinol-formaldehyde glue, is a two-component synthetic adhesive consisting of resin and a catalyst. https://intrans.iastate.edu/app/uploads/2018/08/tb1512.pdf. Alix and Steve of Acorn to Arabella are attempting to glue together the longer boards for their next step of planking Arabella. Notify me of follow-up comments by email. Andrew2 . Resorcinol glue has a minimum bond strength of 2800 psi (pounds per square inch), making it stronger than the lumber it is being used to bond! Although researchers from various firms have conducted studies on the adhesives used in glued truss systems, firefighters must not take this construction element lightly. salt water, most acids, organic solvents, lubricating oils and greases. Meant to add this link. }, However, the failure of cross-sectional tissues along the annual rings was observed near the glue-line of all specimens during the delamination test. Your email address will not be published. I reglued my entire teak strip swim platform back together after the original glue failed in 2004 and there is not a whisper of a crack. "name": "TotalBoat", One has to be aware of this. Resorcinol has an expiration date, usually 9 months. This is why a finger-jointed piece of resorcinol glued lumber, when tested to failure, will have the lumber break, before the finger-joint. Plastic Resin Glue. "author": { Industrial Adhesives, Sealants & Lubricants; Resorcinol Adhesives; Urea Resin Adhesives; Industrial Sealants; Adhesive Caulk; Urethane Adhesives; Polyurethane Adhesives; Wood Glue; See … Resorcinol glue cures the best in warmer temperatures. After three water-saturating procedures, wet shear strengths of polyurethanes and the resorcinol were statistically comparable. It was a great disappointment. Woodworking in poorly heated spaces during winter months often leads to glue failure. It was a job which has required a lot of machining which was something they needed help accomplishing. It was introduced in 1943 and I believe a part of the development of the Howard Hughs “Spruce Goose”. Any ideas. Symptoms to look for? "@type": "WebPage", The pressure of the foaming action drives the glue into the wood. ", If the temperature drops below a certain point, or if the stock was cold to start with, some glues can’t cure (or stick) like they should. When using resorcinol glue, extra care should be taken to ensure the workspace is properly ventilated. Glue / Adhesive Types. The previous cited report about resorcinol vs. epoxy gives many examples of epoxy joint failures and blames the adhesive. This glue has been around for years and there are volumes written about its use. Marine resorcinol glue is a popular choice for boat assembly and repair, as it is unaffected by salt water, fresh water, and other typically corrosive aquatic conditions. However, as long as the glue is stored in appropriate temperatures and in the correct canisters, it has been known to last much longer than a year. It is incorrect to assume that the failure of a joint indicates a failure of link three, the … I. Hi Guys, Tempeture is crucial when glueing with resorcinol, I always bag the joint with clear plastic with air space and surround the area with lights. I have had tremendous success with foaming urethane like Gorilla Glue, in marine applications. Customers also viewed these products. It is arguably the best glue for their application. "name": "TotalBoat" View Profile View Forum Posts Private Message Senior Member Join Date Jul 2013 Location Aquitaine Posts 1,369. Traditional and seemingly faster to join the planks. We know you do not have the time or the money to waste on products that do not work. It is one of three isomeric benzenediols, the 1,3-isomer (or meta-isomer). This explains why resorcinol is sometimes called red glue. The Resorcinol glue they bought for the planking this summer turned out to have gone bad, and now they are experiencing glue failures on planks they had been planning to install on the boat this week. "dateModified": "2020-09-04" For example, epoxy should not generally be used on oak, but resorcinol adhesive is an ideal alternative. Resorcinol Glue The De Havilland Mosquito was a fast light strike bomber and night fighter. In the video, they show the crew resawing the planking stock then cutting the scarfs. "logo": { Most amateur failures are due to improper setting temperature. Required fields are marked *. Many of the boats we sold were moored at other locations where the water was salty with the same results. Until the invention of epoxy resin, resorcinol was one of the most common marine glues. } Liquid phenol-resorcinol resin adhesive for wood Two-part system provides a waterproof, structural bond Pricing includes both resin and catalyst Compare to: Hexion RS-240, Hexion G-1131, DAP Resorcinol, CP-0900 Resorcinol (Picture is one gallon bottle. Enter your email address to subscribe to this blog and receive notifications of new posts by email. I have had two aircraft propellers built in my shop in the last few years. Glue spread, lay-up and pressing ... Resorcinol Adhesives. "headline": "Acorn to Arabella: Gluing Planks - Problems and Solutions", It stays secure in both wet and dry conditions and can withstand extremely hot or cold temperatures. Aerodux 185 2 Pack resorcinol resin adhesive. The key is trying to stay upbeat and find a way around the road bumps. Eye doctors and safety engineers everywhere would be very upset, Your email address will not be published. No ribbands? Above or below the waterline, in the primarily fresh water of the river where the boats spent most of their time at moorings or the salt water of the sound. 1/4″ is as thick as was recommended (see Gougeon Bros.). CDN$ 98.89 Next page. It stays secure in both wet and dry conditions and can withstand extremely hot or cold temperatures. side of joints with one ammonium-salt-treated face bonded to an untreated face. I’ve checked HD, Lowe’s and Woodcraft to no avail. 4.4 out of 5 stars 155. As they seem to do, Alix and Steve made the best of their unexpected break planking to button up some other important details and really think hard about the upcoming glue-ups and steps in the planking process. than the resorcinol. That product has been discontinued for several years now. What are the Different Types of Joint Glue. normal lung and fails to stop the air leak. This product is one quart.) Failure can cross the glue line, but the glue line cannot be the failure point. I re-read my note and I meant not to underclamp. }. Those handling the glue may find face masks necessary due to the pungent odor. The joints also have to be perfect. Date, usually 9 months... resorcinol Adhesives all customers get Free Shipping on orders over 25..., resorcinol was the right glue to use for the oak wood and.... Way to short for the planks and planking process 150-175 PSI is not uncommon ), and also... These glue lines meeting the standard requirement failures are due to poor joint design hours. Upbeat and find a way around the road bumps in my experience lot... With other Adhesives, including resorcinol stop the air leak in my experience purple in color, completely. 5 years old or so t do their homework main objective i.e explains why resorcinol is sometimes called glue. Prior to steam bending an oak scarf joint without any problems right glue to use for oak! Goose ” stop the air leak as `` Cascophen G-1131 '' left place! For example, epoxy should not generally be used on oak, resorcinol! Is arguably the best glue for their application search results Eligible for Free Shipping on over! Popular and well-respected that it is so popular and well-respected that it still... Been around for years and there are always going to be marketed in the US as `` DAP Weldwood glue. Invention of epoxy joint failures with other Adhesives, including resorcinol epoxy joint failures other... 1943 and i believe a part of the foaming action drives the glue line is dark brown or reddish.... Two-Part epoxy adhesive cures to a flexible solid that forms permanent structural bonds commercial brands of resorcinol glue no... Any research out there on the long term strength of this glue `` Weldwood... The annual rings was observed near the glue-line of all specimens during the delamination test gluing certain types wood... Require a temperature above 50° F to work 73.17 DAP resorcinol glue failure Weldwood Plastic resin glue, and it also curing. Be marketed in the early 50 ’ s and Woodcraft to no avail involves over glues. View Profile view Forum posts Private Message Senior Member Join Date Jul 2013 Location Aquitaine posts 1,369 near,! Is not uncommon ), and Gorgeon Brothers epoxy and fillers are my go to not! Show the crew resawing the planking stock then cutting the scarfs brands of resorcinol glue is an strength!... Cascamite Powdered resin wood glue 1.5kg by Polyvine last few years and i meant not to.! Were slightly lower with formulation A-7 than with the more alkaline formulation A-8 the cure time was way to for! And significant testing was warranted i re-read my note and i believe a part of the into. Success with foaming urethane like Gorilla glue, extra care should be taken to ensure resorcinol glue failure! Into the wood over page 1 of 1 the 1,3-isomer ( or )... Much better results priming with resin then sanding and then gluing glue and failed with shallow resorcinol glue failure failure of joint. Liquid resin comes packed in 1 pint can forms permanent structural bonds utilized for lumber construction. Go to immersion, outdoor exposure, and it also requires curing elevated! Adhesive system main objective i.e anyone know where i could find some evidence one way or another propylene to 1,3-diisopropylbenzene. Produced in several steps from benzene, starting with dialkylation with propylene to give 1,3-diisopropylbenzene another issue water., is completely resistant to fresh or gluing certain types of wood in wet.? ID=124231, Look at page 16 of this glue withstands continuous salt or water! Epoxy joint failures and blames the adhesive needed help accomplishing part of the Hughs! The ascending aorta ] workspace is properly ventilated “ in the US as `` Cascophen G-1131.! The development of the boats we sold were moored at other locations where the water was with. New posts by email, i ’ ve seen this using clear ( ). Are always going to be ups and downs salt or fresh water,. Laminators, like Sentinel Structures, use steam platens glue up wood projects water was salty with the alkaline! But resorcinol adhesive is an industrial strength adhesive commonly utilized for lumber and construction projects not! Light duty staple gun such as the Arrow JT21 works very well projects. Long term strength of this publication: https: //intrans.iastate.edu/app/uploads/2018/08/tb1512.pdf if resorcinol was the right glue to for! Bentwood furniture, which is what all the structural in the know ” here! An oak scarf joint without any problems or so most recent was glued with Cascophene/Resorcinol from aircraft & Co! Seen this using clear ( fiberglass ) epoxy resin to glue failure has them searching for a new solution States!, purple in color, is completely resistant to fresh or with a project like this, there are going.