"@type": "WebPage", Required fields are marked *. Production. Glue spread, lay-up and pressing ... Resorcinol Adhesives. "@type": "Organization", The “Acorns” were slowed down this summer by the unexpected work of figuring out the prop shaft assembly. Gorilla Glue, and Gorgeon Brothers epoxy and fillers are my go to. This is why a finger-jointed piece of resorcinol glued lumber, when tested to failure, will have the lumber break, before the finger-joint. "url": "http://www.totalboat.com/wp-content/themes/total-boat-theme-Storefront-merge/dist/images/xtb-logo.png.pagespeed.ic.sE_9E4HgnO.png" "publisher": { I’d prefer […] 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. Resorcinol Resin. Chemistry: This is an “RF” adhesive system. Esthetically, it works best on dark woods. 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. 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. Traditional and seemingly faster to join the planks. It is the glue used in bentwood furniture, which is what all the structural in the Spruce Goose looks like. 01-27-2016, 02:22 AM #29. This product is one quart.) Eye doctors and safety engineers everywhere would be very upset, Your email address will not be published. salt water, most acids, organic solvents, lubricating oils and greases. Both glue … Notify me of follow-up comments by email. However, the failure of cross-sectional tissues along the annual rings was observed near the glue-line of all specimens during the delamination test. 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. 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. It stays secure in both wet and dry conditions and can withstand extremely hot or cold temperatures. Resorcinol Glue The De Havilland Mosquito was a fast light strike bomber and night fighter. "mainEntityOfPage": { "@type": "Organization", "@type": "BlogPosting", I used Resorcinol since my father introduced me to it in the early 50’s when I was 5 years old or so. What are they thinking. Resorcinol glue cures the best in warmer temperatures. 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. 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. After three water-saturating procedures, wet shear strengths of polyurethanes and the resorcinol were statistically comparable. The resorcinol glue had no failure modes in my experience! It is the best glue for your application. [4-year clinical experience with gelatin-resorcinol-formol glue in acute dissections of the ascending aorta]. Hey 1854, thanks for correcting me about my advice on clamping. One has to be aware of this. Department . 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. The present study was conducted with one main objective i.e. side of joints with one ammonium-salt-treated face bonded to an untreated face. "description": "The Acorn to Arabella team is attempting to glue together the longer boards for planking the Arabella. I’ve seen this using clear (fiberglass) epoxy resin to glue up wood projects. }, Any ideas. The platform is the original made in 1982. Resorcinol glue, or resorcinol-formaldehyde glue, is a two-component synthetic adhesive consisting of resin and a catalyst. Failure can cross the glue line, but the glue line cannot be the failure point. Since the resorcinol glue was outdated, I am not sure jumping to epoxy and significant testing was warranted. 4.4 out of 5 stars 155. 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. Butt joints and backing blocks are how my old boat was built. Wikibuy Review: A Free Tool That Saves You Time and Money, 15 Creative Ways to Save Money That Actually Work. Andrew2 . Cohesive failure usually involves over stressing glues that have become embrittled or stressors due to poor joint design. Initial dry-test results were slightly lower with formulation A-7 than with the more alkaline formulation A-8. Haven’t had any issues since the new glue and the heat boxes. { 1/4″ is as thick as was recommended (see Gougeon Bros.). That will give you the temp needed and also needs 24 hours to cure. Until the invention of epoxy resin, resorcinol was one of the most common marine glues. 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. That is why we have spent the past years working with local boatbuilders and customers to test, evaluate and develop the TotalBoat line. The setback means they have time to really consider if Resorcinol was the right glue to use for the planks and planking process. 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. Resorcinol glue is an industrial strength adhesive commonly utilized for lumber and construction projects. Watching a bit longer I don’t see them wearing safety glasses ever. of 8-12%. Most amateur failures are due to improper setting temperature. "author": { Resorcinol is produced in several steps from benzene, starting with dialkylation with propylene to give 1,3-diisopropylbenzene. Every adhesive used on wood has its failures. It is one of three isomeric benzenediols, the 1,3-isomer (or meta-isomer). When a joint delaminates, it can be a failure of any one of the five links. Too much clamping pressure can cause this sort of weak joint, too. Those handling the glue may find face masks necessary due to the pungent odor. And what kind of example is that to set? 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. It is arguably the best glue for their application. Commercial laminators, like Sentinel Structures, use steam platens. Is there any research out there on the long term strength of this glue? I re-read my note and I meant not to underclamp. A light duty staple gun such as the Arrow JT21 works very well. "logo": { Enter your email address to subscribe to this blog and receive notifications of new posts by email. Hello ... Cascamite Powdered Resin Wood Glue 1.5kg by Polyvine. The most recent was glued with Cascophene/Resorcinol from Aircraft & Spruce Co. Plastic Resin Glue. Page 1 of 1 Start over Page 1 of 1 . My 2¢ is that somebody didn’t do their homework. Although researchers from various firms have conducted studies on the adhesives used in glued truss systems, firefighters must not take this construction element lightly. I. ", For example, epoxy should not generally be used on oak, but resorcinol adhesive is an ideal alternative. The setback means they have time to really consider if Resorcinol was the right glue to use for the planks and planking process. glue joint failure. "@type": "ImageObject", The cured glue line, purple in color, is completely resistant to fresh or. Glue was past its shelf life. Customers also viewed these products. "image": "https://i1.wp.com/www.totalboat.com/wp-content/uploads/2019/10/Screen-Shot-2019-10-24-at-3.28.06-PM.png", Once cured, Resorcinol . "name": "TotalBoat", Boating enthusiasts find great benefit in using waterproof resorcinol glue. Resorcinol glue is an industrial strength adhesive commonly utilized for lumber and construction projects. "headline": "Acorn to Arabella: Gluing Planks - Problems and Solutions", But, an unforeseen hiccup has stopped their progress and made them question their processes up to now. I’ve checked HD, Lowe’s and Woodcraft to no avail. Thick, translucent epoxy for bonding, sealing, gap filling, filleting, and tabbing. The average joint strength and wood failure data are presented graphically in figures 1 through 15. I have had two aircraft propellers built in my shop in the last few years. I’m near Baltimore, MD….. Where DAP is headquartered…. normal lung and fails to stop the air leak. 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. View Profile View Forum Posts Private Message Senior Member Join Date Jul 2013 Location Aquitaine Posts 1,369. It is so popular and well-respected that it is the glue used by the United States Navy on their ships. to evaluate the integrity of phenol-resorcinoladhesive gluejoints on three Malaysian hardwood species, namely Seraya, Nemesu and Kempas. This is a purple adhesive which creates a purple glue line. It is incorrect to assume that the failure of a joint indicates a failure of link three, the … 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. With a project like this, there are always going to be ups and downs. Resorcinol used to be marketed in the US as "DAP Weldwood Resorcinol Glue". } I have a serious caution to offer about Resorcinol glue. 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. Previous page. Resorcinol has an expiration date, usually 9 months. "@id": "http://www.totalboat.com/2019/10/25/acorn-arabella-glue-failure-problems/" Directly from CP Adhesives which sells the Aerodux 185. 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. Resorcinol/Formaldehyde is irritating to the skin and eyes and can be toxic until it has cured. It was introduced in 1943 and I believe a part of the development of the Howard Hughs “Spruce Goose”. Brands vary with composition. It will also cure in temperatures lower than 70 degrees Fahrenheit (about 21 degrees Celsius), but the process usually will take much longer. Resorcinol in glue form is regarded as highly sturdy and dependable. Aerodux 185 2 Pack resorcinol resin adhesive. The pressure of the foaming action drives the glue into the wood. Dry wood failures by the polyurethanes were high and did not differ significantly from the resorcinol. 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]. Industrial Adhesives, Sealants & Lubricants; Resorcinol Adhesives; Urea Resin Adhesives; Industrial Sealants; Adhesive Caulk; Urethane Adhesives; Polyurethane Adhesives; Wood Glue; See … … injured by the acid of the glue and failed with shallow wood failure. Skip to main content.ca. What are the Different Types of Adhesive Glue? }. Two-part epoxy adhesive cures to a flexible solid that forms permanent structural bonds. All gussets should be clamped or stapled. 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. I used resorcinal prior to steam bending an oak scarf joint without any problems. All joints should be clamped until glue or epoxy dries. "dateModified": "2020-09-04" the failure of these glue lines meeting the standard requirement. A glue failure has them searching for a new solution. When using resorcinol glue, extra care should be taken to ensure the workspace is properly ventilated. 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. Most of these require a temperature above 50° F to work. Page 1 of 1 Start over Page 1 of 1 . Glue / Adhesive Types. }, Your email address will not be published. It is a white, water-soluble solid. 1-16 of 73 results for "resorcinol glue" Skip to main search results Eligible for Free Shipping. Kind of dumb don’t you think. Free Shipping by Amazon. Wet wood failures, however, were very low among polyurethanes, which is a sharp contrast to the high wood failure by the resorcinol. Re: Is Weldwood Plastic glue the same as resorcinol … The adhesive, introduced in 1943, has been popular in aircraft and boat construction. withstands continuous salt or fresh water immersion, outdoor exposure, and tropical or sub-zero temperatures. We focus on having the right products, people and technology to ensure our customers get the most out of their relationship with their boats. In prior posts, I’ve mentioned phenol-resorcinol glues. For those who want to be “in the know”, here is the straight scoop! You can buy the same product as "Cascophen G-1131". “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. This appeared to be I have seen many glue joint failures with other adhesives, including resorcinol. While resorcinol glue can be costly, it is still the preferred method of gluing certain types of wood. 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. Popular for restoring classic wood boats and yacht. https://www.cpadhesives.com/LiteratureRetrieve.aspx?ID=124231, Look at page 16 of this publication: It’s hard for me to imagine that the modern epoxies and urethane based wood glues would not be better that Resorcinal. 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. Mahogany planking is still good after eighty years. The joints also have to be perfect. An exception can be made with the wing rib gussets, as those staples can be left in place if desired. 4.6 out of 5 stars 20. 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. Resorcinol glue requires high clamping pressure (150-175 PSI is not uncommon), and it also requires curing at elevated temperatures. What are the Different Types of Wood Adhesive? 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. I have much better results priming with resin then sanding and then gluing. than the resorcinol. 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! CDN$ 73.17 Dap 00204 Weldwood Plastic Resin Glue, 4.5-Pound. Does anyone know where I could find some evidence one way or another? Avoid: PVAs. 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. This is a different process than I am familiar with. 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. Resorcinol (or resorcin) is an organic compound with the formula C 6 H 4 (OH) 2. 2007). What are the Different Types of Joint Glue. "datePublished": "2019-10-25", No ribbands? We are also now using heat boxes around the joints to speed up the set time. This glue has been around for years and there are volumes written about its use. "@context": "https://schema.org", Alix and Steve of Acorn to Arabella are attempting to glue together the longer boards for their next step of planking Arabella. Click here to download Product Technical Bulletin Packaging: Liquid resin comes packed in 1 pint can. 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Cascamite Powdered resin wood glue 1.5kg by Polyvine ( fiberglass ) epoxy resin to glue up wood projects often... They are back to the pungent odor formulation A-7 than with the rib... Resorcinol in glue form is regarded as highly sturdy and dependable an industrial strength adhesive commonly for... 24 hours to cure during winter months often leads to glue failure steps from benzene, starting with with! Introduced in 1943, has been popular in aircraft and boat construction is there any research there., Look at page 16 of this publication: https: //intrans.iastate.edu/app/uploads/2018/08/tb1512.pdf organic! The standard requirement which was something they needed help accomplishing can not be the failure of cross-sectional tissues along annual! Meta-Isomer ) product as `` Cascophen G-1131 '' stock then cutting the scarfs produced in several steps benzene. Woodworking in poorly heated spaces during winter months often leads to glue failure taken... Glue the De Havilland Mosquito was a job which has required a lot of machining which was they... Publication: https: //intrans.iastate.edu/app/uploads/2018/08/tb1512.pdf the video, they have time to really consider if resorcinol was the glue... When using resorcinol glue requires high clamping pressure ( 150-175 PSI is not uncommon,. And Gorgeon Brothers epoxy and significant testing was warranted glasses ever CP Adhesives which sells the aerodux 185 like... All specimens during the delamination test want to be marketed in the Spruce Goose looks like failure... Shop in the US as `` Cascophen G-1131 '' by email oak but! Sometimes called red glue and night fighter offer about resorcinol glue '' cured glue line can not be that. One year father introduced me to it in the know ”, here is the glue by. Annual rings was observed near the glue-line of all specimens during the test... On three Malaysian hardwood species, namely Seraya, Nemesu and Kempas resorcinol Adhesives conditions can! With Cascophene/Resorcinol from aircraft & Spruce Co ammonium-salt-treated face bonded to an untreated.... Ve checked HD, Lowe ’ s and Woodcraft to no avail to test, evaluate develop! 150-175 PSI is not uncommon ), and tabbing while resorcinol will glue use... Products that do not work glue and failed with shallow wood failure orders! Have seen many glue joint failures with other Adhesives, including resorcinol involves over stressing glues that have become or. 1943, has been around for years and there are always going be... Propellers built in my experience is why we have spent the past years working local... Cures to a flexible solid that forms permanent structural bonds have much better results priming with resin then and! The cured glue line can not be better that resorcinal to no.... Here is the glue line resorcinol glue failure dark brown or reddish brown ascending aorta ] with., the 1,3-isomer ( or meta-isomer ) straight scoop it was a fast light strike bomber night... Several years now dissections of the most recent was glued with Cascophene/Resorcinol aircraft. Purple adhesive which creates a purple adhesive which creates a purple glue line note... Over page 1 of 1 Start over page 1 of 1 joint without any problems has... Failures and blames the adhesive new posts by email not overclamp and took two days to cure a! Adhesive system the heat boxes around the road bumps Adhesives, including resorcinol or.! Where DAP is headquartered… seen many glue joint failures and blames the adhesive thick, translucent epoxy for,. In color, is completely resistant to fresh or curing at elevated.. Epoxies and urethane based wood glues would not be the failure point needed also! ’ s hard for me to imagine that the modern epoxies and based. Products that do not have the time or the Money to waste on products that do work... Require a temperature above 50° F to work $ 25 shipped by Amazon to upbeat. Have seen many glue joint failures and blames the adhesive, Lowe ’ s hard for me to in! The crew resawing the planking, they have time to really consider if resorcinol was right... Solvents, lubricating oils and greases Goose ” and there are volumes written about its.. At page 16 of this glue page 1 of 1 Start over page 1 of 1 Start over page of! Fields of medicine, pharmaceuticals, and Gorgeon Brothers epoxy and significant testing was.. The “ Acorns ” were slowed down this summer by the unexpected work of figuring out the prop assembly... Species, namely Seraya, Nemesu and Kempas is dark brown or reddish brown leak! Near the glue-line of all specimens during the delamination test was outdated, i familiar. Seen this using clear ( fiberglass ) epoxy resin, resorcinol was the glue! Is regarded as highly sturdy and dependable solvents, lubricating oils and greases would not be failure... Money that Actually work the workspace is properly ventilated hot or cold temperatures as! Their homework MD….. where DAP is headquartered… be published, evaluate and develop the line... Formulation A-8 advice on clamping all joints should be taken to ensure the workspace is properly ventilated be taken ensure. I believe a part of the development of the development of the foaming drives. Butt joints and backing blocks are how my old boat was built was observed near glue-line. Page 1 of 1 Start over page 1 of 1 Start over 1... To fresh or steam bending an oak scarf joint without any problems the... Wood glues would not be better that resorcinal consider if resorcinol was the right glue to use for planks!