Epoxy are by nature polymers that contain epoxide groups. Plug the holes with epoxy and glass or dynel. It is a dirty brown colour and tends to stain. However, unlike epoxy, it does not have gap filling properties, requiring joints to be close fitting and clamped under pressure to achieve good results. Epoxy is noted as a poor oak glue. Resorcinal will also pass the boiling test, if you plan on boiling your project. I use epoxy more often now that I can mix small batches. Wet cleanup is with acetone. 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. Resorcinol is good, better for gap filling and has nice long open time thou8gh it has a dark glue line. I have seen many glue joint failures with other adhesives, including resorcinol. I guarentee.. Also Resorcinol is about the only glue that can bond teak or other waxy or resenous woods.. Open time depends on mixture. for structral lamination one should use ureathen, resorcinol or epoxy. 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. All in quantity, s… Tough repairs requiring a durable bond. It makes general comparisons between the glues. 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. Conservators prefer hide glue because new glue reactivates old.) It stays secure in both wet and dry conditions and can withstand extremely hot or cold temperatures. They react with a specific hardeners and form a cross link (referred as curing). I would suspect that they are not as gap filling as epoxy and are still the same old dark colour. 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. PDA. 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. Rich14 | Apr 04, 2005 05:50am | #2. NZ$24.75 Excl GST. 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. Resorcinol is water proof and West is not. This same adhesive is . But epoxy is a very specific term to refer to a very specific glue. But it doesn’t fill gaps like epoxy. 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. :-> DD 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. It is kind to blades. Epoxy vs. Polyester. It has been stored in a shed for decades. I try to keep a hold of the larger view, in terms of seeing what really works for large numbers of boats. As with Resorcinol, the two components must be mixed in the correct proportions for … From a commercial production standpoint resorcinol is dramatically stronger than any flow-able epoxy. 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. 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. 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. Notice the black or reddish glue line . Resorcinol can be used as an adhesive for oak and oily woods. The WoodenBoat Forum > Tools / Materials / Techniques / Products > Epoxy vs. resorcinol. That glue is Resorcinol or a cousin. What are the differences in the use of resorcinol and epoxy glue for boat or outdoor uses?—John Watson. … It is waterproof and non-flexible. I've heard that Resorcinol is the best adhesive for stuff like Ipe. Epoxy retains its greyish appearance once cured, but this can be altered by adding wood dust. Epoxy is gap filling – so if there are gaps between the ply and the deck substructure the epoxy will have no problems. 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. NO MORE LEAKS and thus the need for much less major maintenance. PVA (yellow glue or even the brown version) is never totally solid it will creep. View Full Version : Epoxy vs. resorcinol. It is specially formulated for carpentry and cabinet making. Epoxy is the adhesive of choice for boat builders, where you may have an object actually submerged in water. This is dependant on ambient temperature. It is waterproof and somewhat flexible. It sets overnight. It has the mots guts / longevity for wood when exposed to moisture for a long time. Wet cleanup is with water. That all changed with epoxy. 4.7 out of 5 stars 116. The primary application for resorcinol glue is for exterior use where the bonding of wood materials must be water and weatherproof. 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. Do not breathe the powder as it contains formaldehyde. It was actually pretty easy -- I could whack it more softly than the Titebond III and still break the bond. Resorcinol glue is an industrial strength adhesive commonly utilized for lumber and construction projects. All exterior/marine/aircraft ply is glued with resorcinol.But it doesn’t fill gaps like epoxy. It is clear in color. I have found a Cascamite like glue called Aerolite306. It will bond some of the exotics that are virtualy un-gluable with epoxy, even the oily stuff like ABW or Lignum. Epoxy—Mixed from two viscous liquids. Pro Carpenter's Glue has a greater wet tack than white glues, which allows faster gripping action and less slippage during the clamping process. Happily, I’ve been involved in racing, the wooden boat revival and cruising boats, including many years doing maintenance and repainting. 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 usually use glass when I do decks (not on small sailing dinghies though – too heavy). For projects that might be … The previous cited report about resorcinol vs. epoxy gives many examples of epoxy joint failures and blames the adhesive. Resorcinol is also used as a chemical intermediate for the synthesis of pharmaceuticals and other organic compounds. Resorcinol requires a very tight glue line, unlike epoxy being easily starved if the glue line is too thin. It dulls blades quickly. During the 60s and 70s those of us building and using plywood racing dinghies had an endless cycle of maintenance of leaky boats. Home » All Our Articles – Lugs, Setup, Boatbuilding, Repair » FAQ - Boat building materials and methods Design and Structures » Q&A Epoxy vs Resorcinol Glues. Carlsboats. This article actually first appeared in the Duckworks forum. It is used in the production of diazo dyes and plasticizers and as a UV absorber in resins. What glue would be best for planking a wood- composite hull (strip planked cedar plus two layers of … If you make a structural laminate using PVA glue will eventually cause it to fail. Resorcinol glue withstands temperature extremes from sub zero cold to tropical heat, as well as exposure to either salt or fresh water immersion. It has an open time of 30–40 min. 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. Epoxy will fail when subjected to same wet or heat conditions . Epoxy and Resorcinol cure chemically, in spite of oxygen, moisture, etc. With the Gorilla glue, nearly every piece broke nice and clean, right on the glue line! Once cured, Resorcinol It also has no trouble with tyloses or tannins in White Oak, making for a much better bond (especially in laminations). used in aeroplane production. Keep painted or covered from direct sunlight. Talk to a real glue expert and show them your work and see what he comes up with. Epoxy is the only glue at the moment which is reliably gap filling. 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. Both are rather long open time adhesives that require no bonding pressure beyond firm contact and are commonly used for lamination and layup work. In the US any glue is commonly referred to as “an epoxy” regardless of the chemical composition and properties. When a joint delaminates, it can be a failure of any one of the five links. Pot life after mixing can be several hours. Resorcinol is a very fine glue when you can make sure the fits between surfaces are very good and can get high clamping pressures. Unfortunately it's not the easiest thing to find at the local hardware. NZ$18.29 Excl GST. This is a 30 year old hartley powerboat. I recently bought a tiny scale to measure small lots of epoxy when the pumps create too much volume and waste. What are the differences in the use of resorcinol and epoxy glue for boat or outdoor uses?—John Watson. GLUE GURU ONLY SELLS THE BEST QUALITY ADHESIVES. It is a dirty brown colour and tends to stain. This was in reference to a deck repair – what glue to use to apply teak planking to a plywood substrate. Karl, I can't give you a comparison of the joint strength of Gorilla Glue vs any particular epoxy … There are gap filling resorcinols around now, but they don’t seem to be commonly available. Hower, I don't know if you can still get it. 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. It sets overnight. 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. It's a 2 part mix like epoxy. NZ$491.97 Excl GST. Do not breathe the ammonia fumes given off. All exterior/marine/aircraft ply is glued with resorcinol. It is dark brown in color. Resorcinol vs Epoxy Glue. Some formulations can glue wood with quite high moisture content. Michael Storer was the author or all of it (of course!). 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. The latter of the two, Resorcinol, is both waterproof and heat resistant. Resorcinol remains a suitable adhesive for exterior and marine use. Some glues wick the moisture to the wood to 'dry', and some take moisture to cure (Urethane). 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). Pro Carpenter's Glue is a ready-to-use, multi-purpose, high tack, polyvinyl acetate woodworking adhesive ("aliphatic resin" glue). With a deck done in this way you don’t need to use any permanent fastenings (screws or nails). This is a 30 year old hartley powerboat. CANTAC HSE-TAC Canister Clear 13.6kg NON-TOXIC. dee;-D It withstands direct sunlight. Detailed Product Description: A high performance, two-component adhesive formulated to provide strong, durable bonds in severe service applications. Many of the criticisms of resorcinol – the tight fits and the high clamping pressure – are also limitations of the polyurethane and waterproof PVA glues. Each will have different properties that require different methods of assemble and clamping. 09-30-2000, 08:29 AM. WOODLOK 2500 D3 Crosslink Adhesive. The two most common among woodworkers are plastic resin glue (a urea formaldehyde adhesive) and Resorcinol (a phenolic adhesive). Resorcinol is an analytical reagent for the qualitative determination of ketoses (Seliwanoff's test). It came as a kit with the scale, a couple squeeze bottles, mixing cups and stirrers for about $40. 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. I would use West Systems (or similar) epoxy as used in the marine industry. The border of every component is bonded to the hull skin vastly increasing the strength of the structure. 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. Then was run as a set of three articles on Duckwork’s main site. Epoxy vs. resorcinol The WoodenBoat Forum is sponsored by WoodenBoat Publications , publisher of WoodenBoat magazine. 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. QUILOSA FMS Adhesive - Instant Bond! The other choice is resorcinal glue if you don’t need gap-filling ability. Resorcinol is a very fine glue when you can make sure the fits between surfaces are very good and can get high clamping pressures. Is a white powder mixed with water (like cascamite) but is activated by an acid painted onto the other surface. 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