Resorcinol ACS reagent, ≥99.0% Synonym: 1,3-Benzenediol CAS Number 108-46-3. These adhesives are used in industrial environments, and care must be taken to ensure they are used in accordance with their material safety data sheet. Fortunately I can still get it here in the UK. by: Mike Hi Doug, I'm a great fan of Resorcinol glue. It has also been shown to disrupt the endocrine system, specifically thyroid function. In higher doses it is toxic and can disrupt the function of the central nervous system and lead to respiratory problems. Resorcinol works by helping to remove hard, scaly, or roughened skin. Resorcinol–formaldehyde (RF) resins do not find use in conventional plastics applications but as reactive adhesives. Weldwood Resorcinol Glue (from DAP Products, popular in the wooden boat making industry) Aerodux-500 (popular for wood airplane construction) G-1131 (also called Penacolite or Cascophen, used in structural wood “glue-lam” beams) PRF Adhesive Chemistry: Let’s take a look at each of the three key constituents of this complex and proven adhesive system. Phenol Resorcinol adhesivesfulfils the requirements for the gluing of load bearing timber structures for interior and exterior use in accordance with DIN 1052 and EN 14080:2005. Phenol resorcinol formaldehyde adhesives are among the most common glues used for laminating timber in load bearing and non-load bearing constructions. See my page on Resorcinol Glue. GluesDirect distribute the full range of Casco’s Phenol Resorcinol Formaldehyde (PRF) adhesives, which are predominately used for finger jointing, glulam, stressed structural beam construction and marine applications. To do so may increase the chance of absorption through the skin and the chance of resorcinol poisoning. Resorcinol is weak gap filler so wood joints need to be close fitting and clamped under pressure to achieve good results. A two-part system which provides a waterproof, structural bond. Uses next to glulam and CLT: Japanese laminates and finger jointed solid timber. 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. Meet Andrew Kitchens, wooden boat builder, hobbyist and new friend of Gorilla Glue. To do so may increase the chance of absorption through the skin and the chance of resorcinol poisoning. I'm not an engineer or a chemist. Before taking this medicine . I read an article in Classic Boat about the guys in the SOF here, who built a new 150ft spruce spar for a classic. In the US you could try AIRCRAFT SPRUCE they do have it advertised, both cascophen and weldwood. Use Aerodux 185 liquid phenol-resorcinol resin adhesive mixed with a powder hardener provides cold-setting weatherproof and gap-filling adhesives especially suited to the manufacture of exterior high hazard structural components as defined in BS 5268 : Part 2. Resorcinol topical (for the skin) is used … It is strong, cures at room temperature and is highly waterproof. The following gluing procedures were used with each type of glue: 1. Some find the dark color of the glue objectionable. The factory does not have information about self life if it is stored in a refrigerator. Then apply a small … The type of uses and classifications may vary between different submissions to ECHA and for a full understanding it is recommended to consult the source data. Small Print. Wood Glue for Boatbuilding. Report No. In commercial practice resorcinol is seldom used on its own but in conjunction with phenol when condensing with formaldehyde. Application tools . EWG’s Skin Deep rates thousands of personal care product ingredients, culled from ingredient labels on products, based on hazard information pulled from the scientific literature and industry, academic and regulatory databases. Delivery form. PubChem Substance ID 24864714. Viscosity. There are many types of glue on the market and they are all advertised as having amazing properties. Linear Formula C 6 H 4-1,3-(OH) 2. Glue, Sealants & Adhesives. "We are very confident that these two products won't come under regulatory limits," he said. MDL number MFCD00002269. Such a material is Aerodux 185, introduced by Aero Research Ltd (now part of Ciba-Geigy) in 1944. Do not use more of it and do not use it more often than recommended on the label, unless otherwise directed by your doctor. I don't claim to be an expert. A little plasticity is necessary to allow for some wood movement, but slipping or stretching (often the result of constant long-term loads) that doesn’t snap back is called creep. 1711 dark brown 2520 greyish brown. Resorcinol glue is a very close relative of phenolic glues and it is available to woodworkers. Andrew2. 01-27-2016, 02:22 AM. There is no need to stick to one type for everything ;-) For the hull and any structural components clearly you will need the best. It does retain this dark color after it has dried on the wood. 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! Resorcinol Glue. Follow all directions on your medicine label and package. Resorcinol works by breaking down rough, scaly, or hardened skin. Resorcinol-resin glue (a) Glue-s-oread -- about 60 pounds per 1,000 square feet of joint area applied by double spreading (both contacting surfaces of a joint coated with glue). Per Vendor: There is a date printed on the glue and it expire 12 months from that date. Resorcinol Resin Cascophen Phenol Resorcinol Resin : Casco Phenol Resorcinol Formaldehyde (PRF) Adhesives Systems. Aerodux 185 be pressed using a hot press and for application the use of a suitable glue roller is recommended. Used not only for demanding and critical applications such as veneering of fire doors particularly when using FR rated sheet materials as well as bonding timbers such as Accoya and Teak. Directions for use. It is also used to treat corns, calluses, and warts. Beilstein/REAXYS Number 906905 . Resorcinol is used to produce resorcinol-formaldehyde resin to improve the adhesion of rubber and other materials in rubber products, wood adhesives, flame retardants, UV stabilizers, dyes, and others. If the packaging is left open when not in use the glue is susceptible to skin formation on the surface. Before using resorcinol and sulfur, wash the affected areas thoroughly and gently pat dry. Abstract. The adhesives are also suited to the production of heat resistant composite structures, e.g., fire-resisting doors. Liquid phenol-resorcinol resin adhesive for wood. Mix by weight. This type of glue is readily available from your aircraft supply company and can be used with success. 1711 liquid 2520 liquid. Products contain a 5 or 6 digit code. Resorcinol glue, or resorcinol-formaldehyde glue, is a two-component synthetic adhesive consisting of resin and a catalyst. Use resorcinol and sulfur only as directed. There are many epoxy glues on the market today. NACRES NA.21 Cured resorcinol and resorcinol/phenol adhesives are known to withstand exposure that are in fact less detrimental to the glue than to most timbers. [Article in Polish] Jarmundowicz W, Kasprzak H. The introduction of tissue adhesives in neurosurgery for treating cerebrospinal fluid fistulas has been a major advance in the operative technique. … All of the dominant consumption sectors are related to the automotive and construction industries, which have been impacted by the coronavirus disease 2019 (COVID-19) pandemic. This is why a finger-jointed piece of resorcinol glued lumber, when tested to failure, will have the lumber break, before the finger-joint. 1711 Phenol Resorcinol glue. Roller spreader, ribbon spreader etc. But there are all sorts of other glues beginning to appear, and there is much debate among home boatbuilders as to what the relative merits of some of these are. Example 513012, the second and third number in the sequence represents the year of manufacture and the last three represent the day of the year. Flexibility/Creep. The first two of these are very well known today, the third one not so common. It is made from naturally occuring phenolic compounds. Resorcinol is commonly used in hair dyes and acne medication. Aerodux 185 is a 2 Pack resorcinol resin adhesive. In addition to load bearing construction the adhesive system can also be used in boat building, for products exposed to high humidity such as windows and outer doors garden furniture, playground equipment etc. Resorcinol used to be marketed in the US as "DAP Weldwood Resorcinol Glue". This chapter reviews and presents a perspective of the special qualities of the resorcinol/formaldehyde resins as adhesives for wood and in a variety of other, commercial or potential uses, with the exception of their use as reinforcing resins and bonding agents in vulcanizable rubber compounds which was dealt with separately in Chapter 4. Apply enough resorcinol to cover the affected areas, and rub in gently. Do not use more of it, do not use it more often, and do not use it for a longer time than your doctor ordered. Proper use of resorcinol. Epoxy Glues . Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use. For about 40 years there were perhaps three glues that were commonly used in boatbuilding, Epoxy resin glue, Resorcinol glue and Urea Formaldehyde glue. As a conventional system, it is trusted by many manufacturers of wall beams, straight laminated beams and curved laminated beams (glulam). On masts. Colour. You can buy the same product as "Cascophen G-1131". As assembly glues for wood they comply with the highest requirements of all specifications, including resistance to boiling water. R1714 -3- (b) Closed assembly time -- 10 to 15 minutes, the longer assembly times being used at the lower temperatures. They have acquired a reputation for making laminated beams and other load bearing structures used in buildings. EC Number 203-585-2. The new glue uses polyphenols, with antioxidant properties, and polyaldehydes, regularly used in the perfume industry, to replace the resorcinol and formaldehyde in the glue, respectively, Furnon said. The glue was Resorcinol; it was dark red with a bad smell and I used it when I was building the Eventide yacht alongside our house in Higher Green, Ewell. It is the responsibility of the substance manufacturers and importers to consult official publications, e.g. You should not use resorcinol if you are allergic to resorcinol. Information on applicable regulatory frameworks is also automatically generated and may not be complete or up to date. I have been using a product called ‘Balcotan’ which is a one-component polyurethane but only above the waterline. So which one should you use when boat building? Some of these preparations are available only with your doctor's prescription. I make mistakes. Study the working properties of each glue in the chart to see if you can use what you have on hand, or if it’s time to go shopping. Resorcinol is used to treat acne, seborrheic dermatitis, eczema, psoriasis, and other skin disorders. To avoid this the packaging should be closed when not in use . Mixing ratio. Resorcinol adhesive has been popular in aircraft construction and was one of the early common marine glues. 3. Important Information. They mentioned 'melamine' glue, so I … That product has been discontinued for several years now. Molecular Weight 110.11 . Resorcinol may also be used for purposes not listed in this medication guide. The glue comes in two parts; a red syrup and a light brown powder that when mixed form glue. In the curing process, the formaldehyde or isocyanate reacts and creates an adhesive seam with new chemical bonds between the adhesive polymers and between the wood and the glue. It is very important that you use resorcinol only as directed. 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