It was commonplace to see a 70-foot long mold shrink 3/32″ over the entire 70-foot length. While certain fillers will increase the density of epoxy, this does not correlate to higher physical properties or increased adhesion strength. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. This video on West System Epoxy Resin, Hardeners and Fillers. To avoid this, make deep castings in layers. Nu extra voordelig te bestellen bij Bootverfshop.nl.Eigen WEST SYSTEM 105 resin is a low viscosity, solvent free liquid marine epoxy resin. 105 Epoxy Resin is the base material on which all WEST SYSTEM 105 System epoxy compounds are built. The results are long-lasting. Epoxy is used very effectively as an adhesive, as a laminating resin for wetting out structural fabrics, and as a coating. The resulting surface is ready for you to prepare it for paint or gel coat. 105 Resin’s viscosity is approximately 1000 centipoise (cp) at 72 F (22C). Unlike polyester or vinylester resins, our epoxy virtually does not shrink after curing. 105 Resin. Because of this, it is beneficial to have some epoxy between the objects you are gluing together whether they are wood, fiberglass, or other materials. WEST SYSTEM Epoxies have been used successfully in boat construction and repair since 1969. WEST SYSTEM 105 Resin/207 Special Clear Hardener does not blush. When epoxy is used to fill holes drilled into wood, it will soak into the end grain. Of course, it is best to leave it to settle for a day or so. Shop, read reviews, or ask questions about WEST SYSTEM #105-A Epoxy Resin at the official West Marine online store. Simply remove the release fabric after cure, and it will take the blush with it. WEST SYSTEM epoxy can be cured in a wide temperature range to form a … This might look like shrinkage, but it’s not. Unlike traditional wood glues, WEST SYSTEM Epoxy is stronger than wood. It includes an epoxide resin, a full suite of epoxide hardeners and epoxy-related products, such as fillers and additives, as well as the application tools needed to use the products. We’ve formulated 105 Epoxy Resin (and its corresponding hardeners) without volatile solvents. For those who want to work with epoxy resin and hardener, each February Gougeon Brothers provides a Fiberglass Boat Repair Class for repair professionals. WEST SYSTEM 105 resin is a low viscosity, solvent free liquid This snowball effect increases until the epoxy cures—which in very large batches could take only a couple of minutes. West System 105B Epoxy Resin (126.6 fl oz) Bundle with 206B Slow Epoxy Hardener (27.5 fl oz) and 300 Mini Pumps Epoxy Metering 3-Pack Pump Set (3 Items) 4.6 out of 5 stars 190 $154.95 $ 154 . That represents shrinkage of just .01% on a laminate consisting of fiberglass and WEST SYSTEM Epoxy. Heating the resin/hardener components and then mixing them together results in a thinned epoxy mixture that, when cured, retains all the characteristics of epoxy cured at room temperature. West System's entire line of epoxy products are explained in this West Marine buyer's guide. West System 105B Epoxy Resin (126.6 fl oz) Bundle with 205B Fast Epoxy Hardener (27.5 fl oz) and 3… WEST SYSTEM carries a select range of reinforcements suitable for use in conventional and high performance applications such as marine, transportation, automotive, corrosive, and civil infrastructure. WEST SYSTEM Epoxies have been used successfully since they began in 1969. The marine epoxy revolution began with Gougeon Brothers in 1969.It was further fueled by the WEST SYSTEM Technical Manual, originally published in 1973.This popular epoxy user manual was the catalyst for the success of WEST SYSTEM Epoxy. You choose the filler that suits your project. As the heat dissipates, the difference in temperature between the top and bottom of the casting can shock the now solid epoxy and it may crack. WEST SYSTEM 105 Epoxy Resin, Hardeners, Fillers, Additives, Reinforcing Materials, Dispensing Pumps and Application Tools were designed and developed with the end-user in mind. There are three key factors for success with gel coat over epoxy: Gel coat manufacturers shy away from approving the use of non-air inhibited gel coat over epoxy because they’re concerned amine blush will interfere with the gel coat’s cure. WEST SYSTEM fillers expand the epoxy's versatility by altering it's consistency for specific applications. By Don Gutzmer. WEST SYSTEM 105 Resin is a low viscosity, solvent free liquid marine epoxy resin. It will flow out and self-level without “fisheyeing.” By combining it with blush-free 207 Special Clear Hardener, you can create a natural finish. Rot needs four major components in order to continue growing: Cutting off just one of these components is enough to cause the rot to go dormant. Each one worked perfectly.. Catalogue › Epoxy Resins, Coatings and Additives › WEST SYSTEM. Why WEST SYSTEM Epoxies? West System Resins & Hardeners Moisture Resistant Ideal for Structural Bonding Easy Mix Ratios. The epoxy is also comes packaged in convient Fiberglass Boat Repair Kit or the Handy Repair Pack. Epoxy thickened with fairing (low-density) fillers is easily sanded and shaped after it cures. Prevent the epoxy from soaking too far into the wood. You need to know that in larger quantities, epoxy cures much faster. Pouring epoxy in great depths creates the potential for the epoxy to get very hot due to the exothermic reaction resin and hardener have. Initially ATL supplied WEST SYSTEM® epoxy into the professional boat building industry in New Zealand for cold-moulded and traditional wooden boat manufacture and that market still remains intact today. These self-contained kits contain packets of the correct ratio of resin and harderner. WEST SYSTEM Epoxy resin and hardeners come packaged in four “Group Sizes.” For container size of epoxy resin, there is a corresponding container size of epoxy hardener. Formulated for use with WEST SYSTEM hardeners, it can be cured in a wide temperature range to form a high-strength solid with excellent moisture resistance. Any shrinkage that does occur generally happens while the epoxy is still liquid, but when an intense amount of heat is present, epoxy doesn’t stay liquid for very long. Moderating clamp force is all you need. 105 Epoxy Resin is the base material on which all WEST SYSTEM 105 System epoxy compounds are built. We designed 105 Epoxy Resin to wet out and bond with wood fiber, fiberglass, and reinforcing fabrics. Cellulose is the structure of the wood. However, the remaining three components: moisture, oxygen, and warmth, can still penetrate wood coated with solvented epoxy. When casting epoxy, heat buildup can become an issue. I have used West Systems, Total Boat and East Systems. All you need to do to remove the blush is wash the surface with plain water. While adding extra catalyst to polyester resins can lead to a faster cure, you should never add extra hardener to epoxy resin. 48 talking about this. WEST SYSTEM. Epoxy is strongest without filler added to it, but the fillers are necessary to: Rot eats away the cellulose fiber in wood. Spreading epoxy thin allows the heat to dissipate and slows its cure. It is a clear, pale yellow, low-viscosity liquid epoxy resin. This can result in uncured epoxy or compromised cure strength. Pair 105 Epoxy with corresponding letter size of 205 Fast Hardener, 206 Slow Hardener, 209 Extra Slow Hardener or 207 Special Clear Hardener. Epoxy reaches cure when the resin molecules cross-link with hardener molecules. Blended with hardener at the proper ratio, it cures to a hard, solid plastic with superior physical properties. West System West 105 Epoxy Resin from $64.99 CAN; West System West 205 Fast Hardener from $40.99 CAN; West System West 206 Slow Hardener from $40.99 CAN; West System West 207 UV-Resistant Hardener from $68.99 CAN; West System West 650 G/flex Epoxy from $34.99 CAN; West System West 655 G/flex Epoxy This highly moisture-resistant plastic adheres to a wide range of materials, making it ideal for projects that require water and chemical Resistance, and strong physical properties for structural bonding. Formulated for use with WEST SYSTEM hardeners, it can be cured in a wide temperature range to form a high-strength solid with excellent moisture resistance. West System is marktleider als het gaat om epoxy bedoeld voor maritieme toepassingen in de jachtbouw. WEST SYSTEM epoxy offers 3.5% to 4.5% tensile elongation at failure compared to 1% to 2% for typical polyester resins. This is why we recommend removing the rotten wood and replacing it with fresh wood that is sealed with several coats of WEST SYSTEM Epoxy. Addressing rot this way will make the repair area stronger than it was before the rot occurred. We continually formulate, test and improve WEST SYSTEM Resins and Hardeners and develop specialty epoxies to produce the most reliable and well-balanced epoxy systems available. WEST SYSTEM 105 Resin is a low viscosity, solvent free liquid marine epoxy resin. Our resin and hardener formulas, ingredients and combinations are tested to compare fatigue strength, compression strength, glass transition temperature, and peak exotherm. WEST SYSTEM dispensing pumps are designed for convenient and accurate metering of WEST SYSTEM resin…, WEST SYSTEM specialty epoxies offer physical properties that are different to 105 resin-based systems…. WEST SYSTEM 105 epoxy resin is formulated for use with the WEST SYSTEM hardeners. Some epoxy will remain on wood surfaces, and some of it will penetrate into the wood. Always mix epoxy resin and hardener as close as you can to the recommended ratio. It’s a myth that if you plan to gel coat over a repair, you must make the repair with polyester. This makes future joint failure much more likely. Applied with a roller, it offers excellent thin-film characteristics. Back in the late ’70s and early ’80s, Gougeon Brothers Inc. manufactured over 4,000 wind turbine blades and their molds using WEST SYSTEM Epoxy. Our products are formulated to provide maximum physical properties while being easy to use. Large pots of mixed epoxy can generate enough heat to cause a runaway exothermic reaction. Epoxy User Manual & Product Guide. ATL Composites offer a comprehensive range of application tools to ensure efficient and safe use of WEST SYSTEM…, Whether your project is big or small, WEST SYSTEM technical publications and DVDs provide detailed procedures and…, Dispensing and Mixing 105 Resin and Hardeners. From resin, hardner's, fillers and accessories, we carry it all. marine epoxy resin. WEST SYSTEM® epoxy is a versatile, 2-part, marine-grade epoxy that bonds and coats fibreglass, wood, metal, fabrics and other composite materials to … We’ve used gel coat over epoxy for decades. As long as the epoxy is contacting the entire surface of both substrates, no clamping pressure is needed. It’s then ready for you to prep for paint or gel coat. We cannot warranty decanted products because they may be diluted, contaminated, or not actually WEST SYSTEM products. It’s in our fiberglass boat repair videos and discussed it our magazine, Epoxyworks. The amount of penetration depends mostly on how the wood fibers are oriented. Avoid glue-starved joints by following the one- or two-step bonding method. Coating Quantity – How Much Epoxy Do I Need? Shop with confidence - get free … WEST SYSTEM 105 resin is a low viscosity, solvent free liquid marine epoxy resin. These epoxies set the standard for epoxy quality in … This can include, smoking, melting the mixing cup or even starting a fire. WEST SYSTEM Epoxy has a very low percentage of shrinkage. The resin and hardener is combined at a ratio of 5:1 or 3:1 depending on the hardener being used. With a relatively high flash point and no solvent odor, it’s safer to use than styrenated resins. But since WEST SYSTEM Epoxy is very strong and an excellent adhesive, it strengthens the wood and makes it waterproof. To make a permanent repair, replace the entire rotten area with fresh wood and sealed with epoxy. 95 Solvented epoxies are supposed to cut off rot’s food source by encapsulating and contaminating the wood that the rot spores consume. Here are some of the basic techniques we teach in the class, as well as helpful tips for working with WEST SYSTEM Epoxy. It has excellent thin film cure characteristics and resists micro- cracking better than polyester resin. As the epoxy cures, any blush will form on the outside of the release fabric. Estimating Epoxy Coverage for Fabric Application, Fiberglass Boat Repair & Maintenance (pdf), Common Mistakes in Fiberglass Repair (Webinar), The Gougeon Brothers On Boat Construction book, Health Effects from Overexposure to Epoxy, Call from outside the U.S.A. 1-989-684-7286, Mix your epoxy resin and hardener at the proper ratio (. We carry everything you may need to complete your project including expertise advice. Select your desired option below to share a direct link to this page. WEST SYSTEM 105 Epoxy Resin and Hardeners make up a versatile epoxy system that can be used for everything from basic, long-lasting repairs to the construction of high-performance composites. Glue starved joints are weaker than their counterparts. When purchasing resin and hardener, make sure both containers are labeled with the same Group Size letter (A, B, C or E). Rot spores will remain in the wood, and even when encapsulated in solvented epoxy, they will only go dormant. Do this by using smaller pours when casting, and working in a cool environment. This process is even easier if you use Release fabric. Modifying this epoxy with WEST SYSTEM fillers creates an excellent structural adhesive or fairing compound. Also, since this is a 2 part Epoxy, you should get the West System 207 Hardner as you will need them both (mixed!) to get it working! Estimating Epoxy Coverage for Fabric Application. WEST SYSTEM specialty epoxies offer physical properties that are different to 105 resin-based systems, but sharing the same high standards for … Buy West System Epoxy Resin at the best prices with fast delivery, quantities large and small, UK stockist. You’ll just need to add a couple of coats of varnish for UV protection. Once cured, it forms a high-strength solid that is functionally waterproof, and highly resistant to moisture vapor. Always buy WEST SYSTEM products in original, sealed factory containers. This is a good alternative that builds mil thickness quickly, saving time and effort. It worked absolutely fine. WEST SYSTEM offers two-part (resin and hardener) epoxy systems developed for use in boat building and boat repair. WEST SYSTEM offers two-part (resin and hardener) epoxy systems developed for use in boat building and boat repair. This fabric is applied to uncured epoxy, protecting the surface from contamination. I've even used West Systems hardener in East Systems epoxy and vice versa. Start with the Product Selection Guide to determine which products you need for your specific project. Replacing it is not as simple as brushing on a coat of solvent-thinned epoxy. When purchasing resin and hardener, make sure both containers are labeled with the same Group Size letter (A, B, C or E). Un-isolated rot pores will continue devouring the cellulose, causing more rot. Résine époxy WEST SYSTEM, plus de 40 ans d'expérience et d'innovation. Dispensing Pumps WEST SYSTEM dispensing pumps are designed for convenient and accurate metering of WEST SYSTEM resin… Sans retrait, sans odeur, sans solvants, souple, étanche à l'eau, économique. This is because epoxy generates heat as it cures and also cures faster at higher temperatures. Epoxy does more than sit on the surface of the wood. Solvented epoxy may replace some of the strength, but isn’t a permanent repair—it won’t restore the strength of the wood fibers. West System A Pack 105 Epoxy Resin & 205 Hardener - Boat Repair. I was using the epoxy resin for a small DIY project and it worked well and fast. CAUTION! The goal clamping is to simply ensure the epoxy contacts the entire surface for the duration of the cure time. Based on which hardener you choose, it cures at a wide range of temperatures. Epoxy thickened with adhesive (high-density) fillers makes structural bonds, bridges gaps, and fills voids. Developed specifically for boat building, boat repairs and the marine industry, and internationally marketed for 50 years, WEST SYSTEM epoxy is a versatile, high-quality, system that is easily modified for a wide range of coating and adhesive applications. Epoxy Adhesives : Speciality Epoxies. WEST SYSTEM epoxy cures to a high-strength plastic solid at room temperatures, by mixing specific proportions of liquid epoxy resin and hardener. WEST SYSTEM additives are blended with mixed epoxy to alter the physical properties of the epoxy when used as a coating. It also bonds well with a variety of metals. WEST SYSTEM offers two-part (resin and hardener) epoxy systems developed for use in boat building and boat repair. WEST SYSTEM epoxies are versatile. Call our Technical Staff toll-free: 866-937-8797 (Weekdays 9:00 AM to 5:00 PM EST), Outside of the U.S.A., call 1-989-684-7286. Developed by our in-house chemists, our epoxies formulations are proprietary, structural and marine grade. Excessive heat can make WEST SYSTEM Epoxy can shrink some. When there is too much of either resin or hardener, unlinked molecules are left over. This epoxy is also a great coating material. Blended with hardener at the proper ratio, it cures to a hard, solid plastic with superior physical properties. This is because solvented epoxy is a poor moisture barrier. The performance of WEST SYSTEM epoxy is matched by the breadth of the complete product line. 4.4 out of 5 stars 77. Face grain will not absorb nearly as much epoxy as end grain. WEST SYSTEM Epoxy resin and hardeners come packaged in four “Group Sizes.” For container size of epoxy resin, there is a corresponding container size of epoxy hardener. However, if you need an epoxy coated surface that is less of a vapor barrier, thinning WEST SYSTEM epoxy with solvent is a valid way to achieve this Thinning epoxy with heat. WEST SYSTEM. In fact, the standards used to calculate shrinkage of other resins (polyester and vinyl ester) aren’t used with WEST SYSTEM because it shrinks so little to measure that way. While exotherm is a normal part of the curing process, you must always keep it under control. 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