105 Epoxy Resin ® / 205 Fast Hardener ® General Description . It is used in a majority of situations, at lower temperatures and to produce a rapid cure that develops its physical properties quickly at room temperature. 205 Fast Hardener is a medium-viscosity epoxy curing agent. 105/205 . Dry the surface with plain white paper towels. Scrape the sides and bottom of the pot. Applying fabrics to surfaces or laminating in molds is another use. WEST SYSTEM 205 Fast Hardener® is a medium-viscosity epoxy curing agent. We use cookies to optimize site functionality and improve your overall experience. We’ve formulated 205 Fast Hardener to cure well at temperatures as low as 40°F (4°C). 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, Always dispense 105 Resin and 205 Fast Hardener at the proper mixing ratio. All pack sizes in stock now for fast delivery, A pack 1.2kg, B pack 6kg & C pack 30kg. Final cure time depends on the hardener speed and the temperature the epoxy is exposed to. Altering the amount of hardener will seriously compromise the epoxy’s ultimate strength. This can help the resin and hardener complete their cross-linking. 3. WEST SYSTEM. It is useful in a majority of bonding situations, and at lower temperatures. This 105A Epoxy Resin is the base material on which all West System 105 System epoxy compounds are built. Never alter the amount of hardener because this can seriously compromise the epoxy’s ultimate strength. It is used at lower temperatures to produce a rapid cure that develops its physical properties quickly at room temperature. Cures to a solid state: 6 to 8 hours When coating at cold temperatures, the slower cure can result in a waxy/greasy film on the surface of the cured epoxy, called amine blush. Match the group size of the hardener you select to the group size of the 105 Epoxy Resin with which it will be used. 2. This will increase the chemical reaction between resin and hardener. For group size "E" and larger sizes, we suggest use of either the 306-23 Special Purpose Resin/Hardener pump (Model 128845), which dispenses hardener and 105 Epoxy Resin at a ratio of 3:1, or the 306-25 Special Purpose Resin/Hardener pump (Model 335703), which dispenses hardener and 105 Epoxy Resin at a ratio of 5:1. Gradually make a full pump stroke downward, then let rise all the way up on its own. Don’t use rags, because they can contaminate the surface with laundry softeners and anti-cling ingredients. 205 Fast Hardener produces a rapid epoxy cure that develops physical properties quickly at room temperature. WEST SYSTEM 105 Epoxy Resin is a clear, pale yellow, low-viscosity liquid epoxy resin. Resin viscosity is approximately 1000 centipoise (cP) at 72 F (22C).

105 Epoxy Resin is designed specifically to wet out and bond with wood fiber, fiberglass, reinforcing fabrics and a variety of metals when mixed at the proper ratio with a WEST SYSTEM Epoxy hardener. 205 standard hardener is used in the majority of situations to produce a rapid cure. They are also good for coating wooden surfaces to create a clear moisture barrier. It is formulated without volatile solvents and does not shrink after curing. This resin is a clear, light-amber, low-viscosity epoxy, which, when mixed with one of the WEST SYSTEM hardeners, is formulated to wet out wood fibre, fibreglass and a variety of metals. Based on which hardener you choose, it cures at a wide range of temperatures. The combination of 105 Resin/205 Fast Hardener has excellent bonding and coating properties. West System 105 Resin / 205 Hardener – TDS West System 205 Fast Hardener – SDS. This is because a small pot has less surface area, which prevents heat from dissipating too quickly. West Marine has compiled one of the Web's most comprehensive collections of technical boating information articles. Elevate the temperature of the partially cured epoxy. Use a mixing stick shaped to reach the pot’s corners. The West System 205 Fast Hardener is formulated to cure well at temperatures as low as 40-degree-F #205 Fast Hardener, mixed at a 5:1 ratio with #105 Resin, results in a pot life of 9-12 minutes at 72°F, with solid cure in 6-8 hours. Add one of six WEST SYSTEM fillers to thicken the mixture as needed. 205 Fast Hardener is not intended for clear coating. The resulting cured epoxy is a rigid, high-strength, moisture-resistant solid. These hardeners are also a good choice for barrier coating, where multiple coats of epoxy create moisture protection. To pre-warm, place the resin and hardener containers under a warming lamp or in a warm-water bath. 105 System . For group sizes "A", "B" and "C", 205 and 206 Hardeners are mixed with 105 Epoxy Resin in a ratio of 5:1. Pot Life at 72F (22C): 9 to 12 minutes It’s a good way to boost the epoxy’s physical properties, even after a week at cold temperatures. Leave clamps in place until the epoxy has cooled. CAUTION! The combination of 105 Resin/205 Fast Hardener … Let the mixed epoxy sit in the pot a little longer before applying. West System Fiberglass 205 Fast Hardener. 205 Fast, 206 Slow and 209 Extra Slow Hardeners when mixed with 105 Epoxy Resin work well for wetting out porous surfaces before bonding with thickened epoxy. It is useful in a majority of bonding situations, and at lower temperatures. Cold temperatures increase an epoxy’s viscosity, making it harder to dispense, mix and apply. 205 Hardener 205 Fast Hardener® is a medium-viscosity epoxy curing agent. When mixed with the 105 Resin in a five-part resin to one-part hardener ratio, the cured mixture yields a rigid, high-strength, moisture-resistant solid with excellent bonding and coating properties. West System 105 is a two-part marine grade epoxy resin that is ideal for boat repair and boat maintenance. 205 Fast Hardener produces a rapid epoxy cure that develops physical properties quickly at room temperature. The West Advisor articles have answered boaters' questions and provided solutions to boating problems for more than 20 years. 105 Resin. We cannot warranty decanted products because they may be diluted, contaminated, or not actually WEST SYSTEM products. 866-937-8797 . Able to rapid cure epoxy even in low temperatures. Finally, sand any remaining glossy areas with medium-grit sandpaper. When working with cold epoxy, give the pump head much more time to return to the top of the stroke. Pre-warmed resins and hardeners will not cling as much to your mixing equipment. It is a clear, pale yellow, low-viscosity liquid epoxy resin. You can change your cookie settings through your browser.To learn more about cookies, please see our Privacy policy. 205 Fast Hardener is a medium-viscosity epoxy curing agent. Minimum recommended temperature: 40°F (4°C), Estimating Coverage for Fabric Application, 105/205 Fast Hardener Technical Data (pdf). When mixed at the proper ratio with a WEST SYSTEM hardener, it is designed specifically to wet out and bond with many materials. 105 Resin, and hardener either 205, 206 or 207 clear coating, can be sold separate. As a general rule. Gougeon Brothers, Inc. P.O. The resulting cured epoxy is a rigid, high-strength, moisture-resistant solid. They’ll also blend more easily, ensuring thorough mixing. First time users If this is the first time you have used WEST SYSTEM epoxy, begin with a small batch test to get the feel for the mixing and curing process, before applying the mixture to your project. Blended with hardener at the proper ratio, it cures to a hard, solid plastic with superior physical properties. Allow the epoxy additional time to cure before you remove clamps or stress the joints. WEST SYSTEM 105/205 6 Kg B pack Stadard hardener. Warming resin and hardener reduces their viscosity so they flow easily through their dispensing pumps. The cure rate of 105 Epoxy Resin can be adjusted to ambient temperature and desired working time. Mix with West System Resin in a five part resin to one part hardener ratio. Always buy WEST SYSTEM products in original, sealed factory containers. Mix it with WEST SYSTEM 105-C Resin in a five-part resin to one-part hardener ratio. Touch device users, explore by touch or with swipe gestures. October, 2014 . Mix it with WEST SYSTEM 105 Resin in a 1. ... 205 Fast Hardener. Bay City, MI 48707 . It is a clear, pale yellow, low-viscosity liquid epoxy resin. Generally, higher temperatures require shorter cure times. Mix with one of four WEST SYSTEM Hardeners. Stir the resin and hardener thoroughly for at least 2 minutes in a small pot. Cures to maximum strength: 1 to 4 days Choose the right hardener to control the cure time of 105 Epoxy Resin at the temperature at which you will work. #206 Slow Hardener, mixed at the standard 5:1 ratio with #105 Resin, has a 20-25 minute pot life at 72°F with 12-18 hours required for solid cure. #205 Fast Hardener, mixed at a 5:1 ratio with #105 Resin, results in a pot life of 9-12 minutes at 72°F, with solid cure in 6-8 hours. It is useful in a majority of bonding situations, and at lower temperatures. Additional information. Start with 105 Resin, the basic ingredient of all WEST SYSTEM epoxy compounds. When used with Fast Hardener 205, or Slow Hardener 206, the ratio is 5 parts resin to 1 part hardener. 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. Choose the right hardener to control the cure time of 105 Epoxy Resin at the temperature at which you will work. It has a minimum recommended working temperature of 40°F. Weight: N/A: Size.44 Pint PN# 205-A, .86 Quart PN# 205-B, .94 Gallon PN# 205-C, 11.31 Gallon PN# 205-E. 205 Fast Hardener is a medium-viscosity epoxy curing agent. Read more about Cold-Temperature Bonding in Epoxy Basics, or at Epoxyworks. It has a minimum recommended working of temperature of 60°F. 205 Fast Hardener is used, in the majority of situations, at lower temperatures to produce a rapid cure that develops its physical properties quickly at room temperature. Amine blush is easy to wash away with plain water and a 3M Scotchbrite pad. WEST System 105 Epoxy Resin is the base material on which all WEST SYSTEM 105 System epoxy compounds are built. 300 Mini Pump Kit for group size A, B or C. When autocomplete results are available use up and down arrows to review and enter to select. When mixed with the 105 Resin in a fiv Spring-Fitting-Out-Checklist Articles Page, 6 to 8 Hours (Working Time 60-70 Minutes) at 72 F. Select a hardener for its intended use and for the cure speed best suited for your job in the temperature range in which you are working. Signature required for receipt of shipment. Always dispense 105 Resin and 205 Fast Hardener at the proper mixing ratio. There are several things you can do to ensure a full cure when using epoxy in low temperatures. 209 Extra Slow Hardener, mixed at a 3:1 ratio with #105 Resin, results in a pot life of 20-25 minutes at 72°F, with 10-15 hours required for a solid cure. Box 908 . 650-8 G-Flex Epoxy Resin WEST SYSTEM Epoxy Resin A Packs (1.2kg) The cured epoxy offers a high strength, rigid, and moisture resistant coat. ... 209 Extra Slow Hardener is formulated for use with WEST SYSTEM Brand 105 Resin for general coating and bonding applications in extremely warm and/or humid conditions or when extended working time is desired at room temperature. Keep a steady pressure on each pump. A warmer, lower-viscosity mixture flows smoothly during application and readily penetrates porous surfaces. WEST SYSTEM 300 Mini Pumps are calibrated to dispense the correct resin-to-hardener ratio with one full pump stroke of resin for every one full pump stroke of hardener. To measure 105 Resin with 207 or 209 Hardener by volume, combine 3 parts resin with 1 part hardener ( by weight, combine 3.5 parts of resin with 1 part of hardener). To prevent thermal shock, elevate the temperature of the epoxied surface. 105 resin mixed with the 205 standard hardener is used in the majority of situations to produce a rapid cure. Delivery is only applicable within the contiguous United States. Don’t let the water evaporate. When applying heat to cure epoxy, don’t exceed 140°F (60°C). As an adhesive, 105 mixtures will bridge gaps and fill voids when mixed with West System fillers and can be sanded and shaped when cured. When used with the Clear 207 hardener, the ratio is 3 parts resin to 1 part hardener. When used with 105 Resin, the cured mixture yields a high-strength, rigid solid which has excellent cohesive properties and provides an outstanding moisture vapour barrier with excellent bonding & coating properties. It is a clear, pale yellow, low-viscosity liquid epoxy resin. Remove this byproduct of the curing process before you apply the next coat of epoxy. Dispense the epoxy into a smaller diameter pot. Three hardeners are offered: 205 Fast, 206 Slow, 209 Extra Slow and 207 Special Clear Hardener. WEST SYSTEM 105-205 cured resin/hardener mixture yields a high-strength, rigid solid which has excellent cohesive properties and provides an outstanding moisture vapour barrier with excellent bonding & coating properties. West System 2 part epoxy is available in 300g Mini pack, 600g Junior pack, 1.2kg A pack or 6.0kg B pack and is an excellent adhesive for maximum strength. Blended with hardener at the proper ratio, it cures to a hard, solid plastic with superior physical properties. Only logged in customers who have purchased this product may leave a review. WEST SYSTEM 105 Resin is a low viscosity, solvent free liquid marine epoxy resin. If you can’t pre-warm the resin and hardener, do not force the dispensing pumps up or down. Select your hardener to give you the pot life you want at the temperature and conditions in which you will work. Select your hardener to give you the pot life you want at the temperature and conditions in which you will work. Between applying coats of epoxy, prepare the cured epoxy surfaces. West System 205 Fast Hardener is a medium-viscosity epoxy curing agent. Additional shipping fees may apply. Product Overview. Mix it with WEST SYSTEM 105 Resin in a five-part resin to one-part hardener ratio. The combination of 105 Resin/205 Fast Hardener has excellent bonding and coating properties. Other uses include laminating or bonding sheets or layers of materials with tight fitting joints. Remember, cold epoxy resin and hardener are thicker and more difficult to pump. 207 and 209 Hardeners are mixed with 105 Epoxy Resin in a ratio of 3:1. Blended with a hardener at the proper ratio, it cures to a hard, solid plastic with great physical properties. 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 205 FAST HARDENER A medium-viscosity epoxy curing agent, it is used in a majority of situations, at lower temperatures, and to produce a rapid cure that develops its physical properties quickly at room temperature. 105 A-Size Epoxy Resin (Model 323733, shown above) should be paired with an A-size container of 205, 206, 207 or 209 Hardener. The West System Epoxy Resin 105/205 Standard Set has been used in the marine industry for over forty years to build and repair boats.. Its practical uses are not simply limited to the marine industry, as the same techniques can be used to build high strength outdoor furniture, restore historic buildings or repair damaged vehicles. westsystem.com . Reviews There are no reviews yet. Standard Shipping (ground service) is used to ship items that are considered hazardous. 205 Fast Hardener is a medium-viscosity epoxy curing agent. To make sure you get the  proportions right, we highly recommend purchase of the 300 Mini-Pump Kit, which meters the hardener and resin in the exact proportions you need. 205 Fast Hardener is a medium-viscosity epoxy curing agent. 209 Extra Slow and 207 Special Clear Hardeners when mixed with 105 Epoxy Resin work well for clear fabric application, such as applying fabrics to wooden surface, where a clear, natural finish is desired. 205 Fast Hardener. The 205 Fast Hardener is a medium viscosity epoxy curing agent for West System 105 Epoxy Resin. We offer hardeners in "A", "B", "C" and "E" group sizes. To ship items that are considered hazardous this will increase the chemical reaction between Resin and hardener thoroughly at. Actually WEST SYSTEM 105-C Resin in a majority of bonding situations, moisture. 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