Conservators prefer hide glue because new glue reactivates old.) It is a dirty brown colour and tends to stain. Resorcinol is also used as a chemical intermediate for the synthesis of pharmaceuticals and other organic compounds. Resorcinol glue is an industrial strength adhesive commonly utilized for lumber and construction projects. They react with a specific hardeners and form a cross link (referred as curing). I have seen many glue joint failures with other adhesives, including resorcinol. Detailed Product Description: A high performance, two-component adhesive formulated to provide strong, durable bonds in severe service applications. Unfortunately it's not the easiest thing to find at the local hardware. One very important note regarding your choice of adhesives, use the type of glue recommended by the kit manufacturer if you are building a kit aircraft. You just won’t see gaps like this in an epoxy built boat – because it operates around gaps. That all changed with epoxy. … When a joint delaminates, it can be a failure of any one of the five links. Wet cleanup is with water. Hower, I don't know if you can still get it. NZ$18.29 Excl GST. Both are rather long open time adhesives that require no bonding pressure beyond firm contact and are commonly used for lamination and layup work. I recently bought a tiny scale to measure small lots of epoxy when the pumps create too much volume and waste. It was actually pretty easy -- I could whack it more softly than the Titebond III and still break the bond. It withstands direct sunlight. I would use West Systems (or similar) epoxy as used in the marine industry. Epoxy vs. resorcinol The WoodenBoat Forum is sponsored by WoodenBoat Publications , publisher of WoodenBoat magazine. All in quantity, s… The most common adhesive types are phenol-based phenol-formaldehyde (PF), phenol-resorcinol-formaldehyde (PRF), resorcinol-formaldehyde adhesive (RF), amino resin-based (melamine-urea-formaldehyde adhesive (MUF)), moisture-curing polyurethane adhesive (PU or PUR) and emulsion polymer isocyanate adhesive (EPI). Steve Costain replies: I used resorcinol years ago to build some outdoor screen panels, but today I would use West Systems for any outside purpose. But it doesn’t fill gaps like epoxy. The primary application for resorcinol glue is for exterior use where the bonding of wood materials must be water and weatherproof. What are the differences in the use of resorcinol and epoxy glue for boat or outdoor uses?—John Watson. It will bond some of the exotics that are virtualy un-gluable with epoxy, even the oily stuff like ABW or Lignum. GLUE GURU ONLY SELLS THE BEST QUALITY ADHESIVES. Epoxy is noted as a poor oak glue. Wet cleanup is with acetone. View Full Version : Epoxy vs. resorcinol. 09-30-2000, 08:29 AM. In my opinion on a traditional wood boat West is fine above the waterline, but if wood is to see a lot of water resorcinol is the ticket. Epoxy and Resorcinol cure chemically, in spite of oxygen, moisture, etc. I've heard that Resorcinol is the best adhesive for stuff like Ipe. All exterior/marine/aircraft ply is glued with resorcinol.But it doesn’t fill gaps like epoxy. What glue would be best for planking a wood- composite hull (strip planked cedar plus two layers of … Epoxy are by nature polymers that contain epoxide groups. Pro Carpenter's Glue has a greater wet tack than white glues, which allows faster gripping action and less slippage during the clamping process. Epoxy is gap filling – so if there are gaps between the ply and the deck substructure the epoxy will have no problems. It has the mots guts / longevity for wood when exposed to moisture for a long time. The previous cited report about resorcinol vs. epoxy gives many examples of epoxy joint failures and blames the adhesive. NZ$491.97 Excl GST. 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. For projects that might be … Carlsboats. Open time depends on mixture. The two most common among woodworkers are plastic resin glue (a urea formaldehyde adhesive) and Resorcinol (a phenolic adhesive). Pro Carpenter's Glue is a ready-to-use, multi-purpose, high tack, polyvinyl acetate woodworking adhesive ("aliphatic resin" glue). Pot life after mixing can be several hours. Resorcinol phenol formaldehyde (RF) Like epoxy, resorcinol phenol formaldehyde – normally referred to as resorcinol formaldehyde or RF – is a structural adhesive classified ‘Exterior’, ‘High Hazard’ to BS EN 301. Many of the criticisms of resorcinol – the tight fits and the high clamping pressure – are also limitations of the polyurethane and waterproof PVA glues. During the 60s and 70s those of us building and using plywood racing dinghies had an endless cycle of maintenance of leaky boats. Gorilla Glue Clear Gorilla Glue Wood Glue Super Glue Epoxy GorillaWeld Construction Adhesive Clear Grip Hot Glue Sticks Spray Adhesive Best For: Tough repairs on dissimilar surfaces, both indoors and outdoors. With a deck done in this way you don’t need to use any permanent fastenings (screws or nails). Both the resorcinol and urea-formaldehyde types, which are the most common alternative glues to epoxy, require high clamping pressure in the order of 7-14 kg/m2 for an effective bond. Epoxy retains its greyish appearance once cured, but this can be altered by adding wood dust. It's a 2 part mix like epoxy. Resorcinal will also pass the boiling test, if you plan on boiling your project. Each will have different properties that require different methods of assemble and clamping. Resorcinol requires a very tight glue line, unlike epoxy being easily starved if the glue line is too thin. Notice the black or reddish glue line . Some glues wick the moisture to the wood to 'dry', and some take moisture to cure (Urethane). Epoxy is the only glue at the moment which is reliably gap filling. With the Gorilla glue, nearly every piece broke nice and clean, right on the glue line! PVA (yellow glue or even the brown version) is never totally solid it will creep. dee;-D It has an open time of 30–40 min. Resorcinol—Mixed from powder and liquid resin. I use epoxy more often now that I can mix small batches. NZ$24.75 Excl GST. This article actually first appeared in the Duckworks forum. Karl, I can't give you a comparison of the joint strength of Gorilla Glue vs any particular epoxy … All exterior/marine/aircraft ply is glued with resorcinol. Rich14 | Apr 04, 2005 05:50am | #2. I would suspect that they are not as gap filling as epoxy and are still the same old dark colour. NO MORE LEAKS and thus the need for much less major maintenance. Epoxy Fillers and Epoxy Strength While certain fillers will increase the density of epoxy, this does not correlate to higher physical properties or increased adhesion strength. Michael Storer was the author or all of it (of course!). Resorcinol vs Epoxy Glue. Jon Siegel replies: I have not used all the variations of these products, but here are some observations based on my experience: Both are waterproof and weatherproof and both have to be mixed immediately before use. It sets overnight. It is used in the production of diazo dyes and plasticizers and as a UV absorber in resins. Do not breathe the ammonia fumes given off. Once cured, Resorcinol But epoxy is a very specific term to refer to a very specific glue. Epoxy will fail when subjected to same wet or heat conditions . Some formulations can glue wood with quite high moisture content. I guarentee.. Also Resorcinol is about the only glue that can bond teak or other waxy or resenous woods.. You can use gyprock screws put in with a battery powered drill (one with a clutch) – and pull them out when the glue has set up. Resorcinol is a very fine glue when you can make sure the fits between surfaces are very good and can get high clamping pressures. It stays secure in both wet and dry conditions and can withstand extremely hot or cold temperatures. Epoxy is the adhesive of choice for boat builders, where you may have an object actually submerged in water. PDA. This is a 30 year old hartley powerboat. 1-16 of 73 results for "resorcinol glue" Skip to main search results ... DAP 00204 Weld Wood Plastic Resin Glue, 4.5 Lb, Pail, Tan, Powder. Home » All Our Articles – Lugs, Setup, Boatbuilding, Repair » FAQ - Boat building materials and methods Design and Structures » Q&A Epoxy vs Resorcinol Glues. I would suggest that you get familiar with the thickeners that West System sells, epoxy can be thickened to the consistency of peanut butter and won’t drip—www.westsystem.com. I usually use glass when I do decks (not on small sailing dinghies though – too heavy). It is specially formulated for carpentry and cabinet making. Resorcinol is water proof and West is not. This particular resin is also quite thick, ALMOST the same consistency as a thin epoxy, at least 3 times thicker than resorcinol, remember this is not indented as a handyman's glue, it's intended to be quickly and easily spread evenly which does require a certain thickness so it flows rather than runs. Every adhesive used on … Keep painted or covered from direct sunlight. What are the differences in the use of resorcinol and epoxy glue for boat or outdoor uses?—John Watson. Try: Epoxy is the only adhesive suited for constant water contact but for typical outdoor projects, Titebond II, polyurethane, and urea formaldehyde will all hold their own. It came as a kit with the scale, a couple squeeze bottles, mixing cups and stirrers for about $40. for structral lamination one should use ureathen, resorcinol or epoxy. 4.7 out of 5 stars 116. However, unlike epoxy, it does not have gap filling properties, requiring joints to be close fitting and clamped under pressure to achieve good results. still available however, under the Cascophen G-1131 name (see link below) and is still made by Hexion as was the private label Weldwood brand. It is waterproof and non-flexible. The Forum is a free service, and much like the "free" content on Public Radio, we hope you will support WoodenBoat by subscribing to this fabulous magazine. There are gap filling resorcinols around now, but they don’t seem to be commonly available. Well fitted joints are important. In the US any glue is commonly referred to as “an epoxy” regardless of the chemical composition and properties. It has been stored in a shed for decades. It is a dirty brown colour and tends to stain. For an idea of how much Epoxy changed things in plywood racing dinghy building please read this article –, 正體字日本語русский языкελληνικάDeutschEnglishEspañolFrançaisItalianoMagyarNederlandsNorskJęzyk PolskPortuguêsSvenska, "KOMBI" - A 50/50 Sailing and Paddling Canoe, © Storer Boat Plans 2021 - Privacy Policy, All Our Articles – Lugs, Setup, Boatbuilding, Repair, FAQ - Boat building materials and methods Design and Structures, Boatbuilding 30 Year Review – Epoxy vs other Glues, Q&A Epoxy Resin vs Polyester Resin for Wood. This is a 30 year old hartley powerboat. Resorcinol is a very fine glue when you can make sure the fits between surfaces are very good and can get high clamping pressures. It makes general comparisons between the glues. It dulls blades quickly. QUILOSA FMS Adhesive - Instant Bond! Epoxy vs. Polyester. A glue product called Resorcinol Wood Glue was the bee's knees in woodworking circles and the boating industry for decades since ww2. Resorcinol remains a suitable adhesive for exterior and marine use. Plug the holes with epoxy and glass or dynel. That glue is Resorcinol or a cousin. Is a white powder mixed with water (like cascamite) but is activated by an acid painted onto the other surface. The border of every component is bonded to the hull skin vastly increasing the strength of the structure. Resorcinol is an analytical reagent for the qualitative determination of ketoses (Seliwanoff's test). It is clear in color. Epoxy—Mixed from two viscous liquids. If you make a structural laminate using PVA glue will eventually cause it to fail. It sets overnight. Resorcinol can be used as an adhesive for oak and oily woods. Resorcinol is good, better for gap filling and has nice long open time thou8gh it has a dark glue line. Here's some info about its pros and cons: https://www.christinedemerchant.com/adhesive-glue-resorcinol.html Epoxy is also a 2-part glue, making high strength bonds and is gap filling. Tough repairs requiring a durable bond. Resorcinol glue is similar to epoxy in the fact that it is a two part adhesive requiring the mixing of a resin and a hardener. CANTAC HSE-TAC Canister Clear 13.6kg NON-TOXIC. Then was run as a set of three articles on Duckwork’s main site. The latter of the two, Resorcinol, is both waterproof and heat resistant. This same adhesive is . Steve Costain replies: I used resorcinol years ago to build some outdoor screen panels, but today I would use West Systems for any outside purpose. Basically, the types of glue can be broken down into the following categories: Casein glues, plastic resin glues, resorcinol glues, epoxy glues, and polyurethane glues. :-> DD This is dependant on ambient temperature. As with Resorcinol, the two components must be mixed in the correct proportions for … It is waterproof and somewhat flexible. From a commercial production standpoint resorcinol is dramatically stronger than any flow-able epoxy. This was in reference to a deck repair – what glue to use to apply teak planking to a plywood substrate. Do not breathe the powder as it contains formaldehyde. It was strong and extremely weather and water resistant. I try to keep a hold of the larger view, in terms of seeing what really works for large numbers of boats. WOODLOK 2500 D3 Crosslink Adhesive. It is kind to blades. The other choice is resorcinal glue if you don’t need gap-filling ability. Although the greater ease of use and versatility of epoxy makes it much more popular, epoxy has poor UV resistance and in most structural applications has only a modest heat resistance, making it less than ideal for many outdoor uses. It also has no trouble with tyloses or tannins in White Oak, making for a much better bond (especially in laminations). Talk to a real glue expert and show them your work and see what he comes up with. With the Titebond III glue-up, it split on the solid wood every time, with chunks of splintered wood stuck securely to the glue line. I have found a Cascamite like glue called Aerolite306. It is dark brown in color. Resorcinol glue withstands temperature extremes from sub zero cold to tropical heat, as well as exposure to either salt or fresh water immersion. The WoodenBoat Forum > Tools / Materials / Techniques / Products > Epoxy vs. resorcinol. Happily, I’ve been involved in racing, the wooden boat revival and cruising boats, including many years doing maintenance and repainting. used in aeroplane production. Try to keep a hold of the chemical composition and properties a,. Different properties that require no bonding pressure beyond firm contact and are commonly used for and! 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