WEST System Products Epoxy

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In addition to the classic 105 system with it's four different hardener options WEST System has a line of Specialty Epoxies that are all cure-compatible with each other as well as with the 105 System. For example, to speed the cure of 105/205 you would mix the batch of 105 with 205 hardener at the proper 5:1 ratio then separately mix a batch of the G/5 resin and hardener at the proper 1:1 ratio these two batches can then be combined and mixed together then put to use quickly!
WEST System Epoxy Metering Pumps are calibrated for accurate metering of WEST System Epoxy Resin and Hardener at the proper mix ratio, while eliminating mess and guesswork. WEST System reusable epoxy application tools were chosen with both the end user and the characteristics of epoxy, in mind. When cured, WEST System epoxy sticks tenaciously to most substrates including wood, metal, and fiberglass. However, 105 System epoxies do not adhere easily to smooth, high-density plastics without special preparation such as a flame treatment. This is why we prefer epoxy application tools made out of plastic. The smooth surface coupled with the flexibility of plastic allows you to pop cured epoxy off of the surfaces of these mixing tools so you can use them again and again. The square, beveled end of WEST System reusable mixing sticks will reach into the square corners of the WEST System Mixing Pots for thorough mixing of epoxy and blending of fillers. The opposite end of the each mixing stick is rounded, making it excellent for shaping a clean, 3/8? radius fillets for reinforcing epoxy bonded joints. WEST System poly mixing pots have squared corners to facilitate scraping the sides of the pot with a mixing stick. Simply flexing the WEST System roller pan or plastic spreaders will pop off the cured epoxy. Obviously, WEST System glue brushes and foam roller covers aren?t classified as reusable epoxy application tools, but they are excellent for applying epoxy. The density of the foam roller introduces very few bubbles while rolling epoxy onto a surface.
WEST System Epoxy Additives and Pigments are blended into mixed epoxy to enhance certain physical properties or alter the color or opacity. Blend epoxy additives or pigments into resin and hardener after they are already mixed at the proper ratio (1 pump resin to 1 pump hardener with calibrated Mini Pumps). Additives improve epoxy?s abrasion resistance or moisture resistance. WEST System Epoxy additives include Aluminum Powder, Barrier Coat Additive, Graphite Powder. WEST System Pigments are resin-based and change the color of epoxy. Pigments are available in white, black or gray.
WEST SYSTEM Epoxy fillers are used to thicken the basic epoxy resin/hardener mixture for specific applications. Each epoxy filler possesses a unique set of physical characteristics, but they can generally be categorized as either Adhesive (high-density) for bonding applications or Fairing (low-density) for sanding and fairing applications. Adding these filling agents to blended epoxy resin and hardener allows you to control the consistency of the epoxy, bridge gaps in joints, create either strong or sandable fillets with epoxy, or alter the cured density of epoxy making it easier to sand smooth.
WEST System offers a range of detailed publications that can help you get started with their Epoxy products. Whether you?re building a new boat, repairing an old boat, working with wood, fiberglass or other composites, doing home repairs or are in the repair profession, WEST System manuals, book, DVD, and YouTube videos are available to meet your needs.
WEST System 105 Epoxy Resin is the base material on which all WEST SYSTEM 105 System epoxy compounds are built. It is a clear, pale yellow, low-viscosity liquid epoxy resin. Blended with hardener at the proper ratio, it cures to a hard, solid plastic with superior physical properties. Based on which hardener you choose, it cures at a wide range of temperatures. Once cured, it forms a high-strength solid that is functionally waterproof, and highly resistant to moisture vapor. 105 Epoxy Resin was designed to wet out and bond with wood fiber, fiberglass, and reinforcing fabrics. It also bonds well with a variety of metals.
WEST System 205 Fast Hardener is a medium-viscosity epoxy curing agent. It is useful in a majority of bonding situations, and at lower temperatures. 205 Fast Hardener produces a rapid epoxy cure that develops physical properties quickly at room temperature. Mix it with WEST SYSTEM 105 Resin in a five-part resin to one-part hardener ratio. The resulting cured epoxy is a rigid, high-strength, moisture-resistant solid. The combination of 105 Resin/205 Fast Hardener has excellent bonding and coating properties. 205 Fast Hardener is not intended for clear coating. Pot Life at 72F (22C): 9 to 12 minutes Cures to a solid state: 6 to 8 hours Cures to maximum strength: 1 to 4 days Minimum recommended temperature: 40F (4C)
West System 206 Slow Hardener is a low-viscosity epoxy curing agent for use when extended working time or a longer cure time is needed. It also provides adequate working time at higher shop temperatures. When combined with 105 Resin in a five-part epoxy resin to one-part hardener ratio, the cured resin/206 Slow Hardener mixture yields a rigid, high-strength, moisture-resistant solid with excellent bonding and barrier coating properties. 206 Slow Hardener is not intended for clear coating. Pot life at 72F (22C): 20 to 25 minutes Cure to a solid state: 10 to 15 hours Cure to maximum strength: 1 to 4 days Minimum recommended temperature: 60F (16C)
Blush-free 207 Special Clear Hardener was developed for coating and fiberglass cloth application where an exceptionally clear, moisture-resistant, natural wood finish is desired. Blended with 105 Epoxy Resin, 207 Hardener will not blush or turn cloudy in humid conditions. Thin film applications roll out and tip off smoothly, requiring less sanding in preparation for finish coatings. Professional and first-time builders like 207 Special Clear Hardener because it is reliable, easy to use, as does not blush. Three coats or more can be applied in one day without additional surface preparation. Fewer coats are required to fill fiberglass weave and in most cases, the final coating can be sanded the following day. Boats can be built faster. Builders also appreciate the excellent fiberglass wet-out characteristics achieved with 105 Resin/207 Special Clear Hardener, yet it won?t drain from vertical surfaces like the very slow curing, low-viscosity epoxies. 105/207 Epoxy has strong physical properties, so it can be used as a structural adhesive for gluing and laminating. It has excellent compatibility with paints and varnishes. An ultraviolet inhibitor in 207 Special Clear Hardener helps provide a beautiful, long-lasting finish when used with quality UV filtering varnish. 105/207 cures clear and colorless. Mix Ratio: 3 parts resin : 1 part hardener Pot life at 72F (22C): 20 to 26 minutes Cure to a solid state: 10 to 15 hours Cure to maximum strength: 4 to 7 days Minimum recommended temperature: 60F (16C)
209 Extra Slow Hardener is formulated for use with WEST SYSTEM 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. Provides approximately twice the working time of 206 Slow Hardener. Forms a clear, amber-colored solid with good physical properties and moisture resistance for bonding and coating applications. Not intended for clear coating. Pot life at 72F (22C): 40 to 50 minutes Pot life at 95F (35C): 15 to 20 minutes Cure to a solid state at 72F (22C): 20 to 24 hours Cure to a solid state at 95F (35C): 6 to 8 hours Cure to maximum strength at 72F: 4 to 9 days Minimum recommended temperature: 70F (21C)
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Fiberglass Supply
11824 Watertank Rd
Phone 509-493-3464
Burlington, WA 98233
United States
Ph: 877-493-5333
Fax: 360-757-8284

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