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105 Resin is the base material of the West System family of products, on which all of the compounds are built. The resin is a clear, pale amber, low-viscosity liquid epoxy resin. 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. It is designed specifically to wet out and bond with wood fiber, fiberglass, reinforcing fabrics and a variety of metals. An excellent adhesive, 105 will fill gaps and bridge voids when modified with West System filler and can be sanded and shaped when cured. With roller applications, it possesses excellent thin-film characteristics to flow out and self-level without “fisheyeing”. The resin cures clear so that you can achieve a natural finish when coating with varnish. It has a relatively high flash point and no strong solvent odor, making it safer to work with than polyesters.
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105 Resin is the base material of the West System family of products, on which all of the compounds are built. The resin is a clear, pale amber, low-viscosity liquid epoxy resin. 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. It is designed specifically to wet out and bond with wood fiber, fiberglass, reinforcing fabrics and a variety of metals. An excellent adhesive, 105 will fill gaps and bridge voids when modified with West System filler and can be sanded and shaped when cured. With roller applications, it possesses excellent thin-film characteristics to flow out and self-level without “fisheyeing”. The resin cures clear so that you can achieve a natural finish when coating with varnish. It has a relatively high flash point and no strong solvent odor, making it safer to work with than polyesters.
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205 Epoxy 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. When mixed with the 105 Resin in a five-part resin to one-part hardener ratio, the cured resin/hardener mixture yields a rigid, high-strength, moisture-resistant solid with excellent bonding and coating properties. Mixing ratio is 5:1.
Potlife at 72° F.: 9 to 12 minutes
Cure to a solid state: 6 to 8 hours
Cure to maximum strength: 1 to 4 days.
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205 Epoxy 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. When mixed with the 105 Resin in a five-part resin to one-part hardener ratio, the cured resin/hardener mixture yields a rigid, high-strength, moisture-resistant solid with excellent bonding and coating properties. Mixing ratio is 5:1.
Potlife at 72° F.: 9 to 12 minutes
Cure to a solid state: 6 to 8 hours
Cure to maximum strength: 1 to 4 days.
Minimum recommended temperature: 40°F
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For use when extended working and cure time is needed or to provide adequate working time at higher temperatures. Not recommended for clear coating. Mixing ratio is 5:1.
Potlife at 72° F.: 20 to 25 minutes
Cure to a solid state: 9 to 12 hours
Cure to maximum strength: 1 to 4 days.
Minimum recommended temperature: 60°F
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Developed for coating and fiberglass cloth application where an exceptionally clear, moisture-resistant, natural wood finish is desired. 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.
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 sandd the following day.
105/207 has strong physical properties, so it can be used as a structural adhesive for gluing and l aminating. It has excellent compatibility with paints and varnishes. An ultraviolet inhibitor in 207 helps provide a beautiful, long lasting finish when used with quality UV filtering varnish. 105/207 cures clear and colorless.
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Developed for coating and fiberglass cloth application where an exceptionally clear, moisture-resistant, natural wood finish is desired. 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.
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 sandd the following day.
105/207 has strong physical properties, so it can be used as a structural adhesive for gluing and l aminating. It has excellent compatibility with paints and varnishes. An ultraviolet inhibitor in 207 helps provide a beautiful, long lasting finish when used with quality UV filtering varnish. 105/207 cures clear and colorless.
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A general purpose hardener used in extremely warm and humid conditions. Mixing ratio is 3:1.
Potlife at 95° F.: 15 to 20 minutes; at 72° F.: 40 to 50 minutes.
Cure to a solid state at 95° F: 6 to 8 hours.
Cure to maximum strength: 1 to 4 days.
Minimum recommended temperature: 70°F.
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A general purpose hardener used in extremely warm and humid conditions. Mixing ratio is 3:1.
Potlife at 95° F.: 15 to 20 minutes; at 72° F.: 40 to 50 minutes.
Cure to a solid state at 95° F: 6 to 8 hours.
Cure to maximum strength: 1 to 4 days.
Minimum recommended temperature: 70°F.
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For dispensing of West System brand 105 resin and 205 or 206 hardeners. Mounts directly on the resin and hardener containers and eliminates the mess involved with measuring by weight or volume. Calibrated to deliver the proper working ratio of 5 parts resin to 1 part hardener with one full pump stroke of resin for each one full pump stroke of hardener or 3 parts resin to 1 part hardener with one full pump stroke for each one full stroke of resin. Made of polypropylene. May be left mounted in resin and hardener cans. This pump set includes both 5:1 and 3:1 ratio hardner pumps. Pumps from sizes A, B and C West System Resins and Hardeners.
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A fine fiber blend used as a thickening additive with resin/hardener to create a multi-purpose adhesive, especially for bonding wood. Epoxy thickened with microfibers provides good gap-filling qualities while retaining excellent wetting/penetrating capabilities. Color: off-white. 6 oz. can.
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Creates a thickened adhesive with excellent compressive strength. For hardware bonding and other applications requiring a strong interface between different materials. 15.2 oz. canister.
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This strong, wood-toned filler is good for use in glue joints and fillets on naturally finished wood. It mixes easily with epoxy and lets you create fillets that are smooth and require little sanding. Its color is a consistent brown, so 405 can be used to modify the shade of other West System fillers. 8 oz. can.
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Thickening additive used to control the viscosity of the epoxy and prevent epoxy runoff in vertical and overhead joints. 406 is a very strong filler that creates a smooth mixture, ideal for general bonding and filleting. It is also the most versatile filler in the West System. Often used in combination with other fillers, it can be used to improve strength, abrasion resistance, and consistency of fairing compounds, resulting in a tougher, smoother surface. Color: off-white.
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Thickening additive used to control the viscosity of the epoxy and prevent epoxy runoff in vertical and overhead joints. 406 is a very strong filler that creates a smooth mixture, ideal for general bonding and filleting. It is also the most versatile filler in the West System. Often used in combination with other fillers, it can be used to improve strength, abrasion resistance, and consistency of fairing compounds, resulting in a tougher, smoother surface. Color: off-white.
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Creates an easily sanded fairing and surfacing compound. Cures to a rigid, lightweight material with good load-bearing strength for its weight. 4 oz. canister.
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- The ideal low-density filler for creating a light, easily-worked fairing compound especially suited for fairing large areas.
- Microlight™ mixes easily and is easier to sand than microballons.
- Feathers to a fine edge and is also more economical for large fairing jobs.
- Not recommended under dark paint or other surfaces subject to high temperatures.
- Cures to a tan color.
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- The ideal low-density filler for creating a light, easily-worked fairing compound especially suited for fairing large areas.
- Microlight™ mixes easily and is easier to sand than microballons.
- Feathers to a fine edge and is also more economical for large fairing jobs.
- Not recommended under dark paint or other surfaces subject to high temperatures.
- Cures to a tan color.
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- A two-part thickened epoxy adhesive in a convenient, self-metering cartridge.
- For permanent, waterproof, structural gap-filling and gluing.
- Bonds to wood, fiberglass, metals and masonry.
- With the included 600 Static Mixer attached you can dispense fully mixed adhesive right where you need it using a standard caulking gun.
- Working time is 42 minutes at 72°F, cures to a solid in 5–6 hours and takes high loads in 24 hours.
- Contains 190 ml of resin and hardener.
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A toughened, versatile, liquid epoxy for permanent waterproof bonding of fiberglass, ceramics, metals, plastics, damp and difficult-to-bond woods. With a modulus of elasticity of 150,000 PSI, it is a bit more flexible than standard epoxies and polyester, but much stiffer than adhesive sealants. This gives G/flex the ability to make structural bonds that can absorb the stress of expansion, contraction, shock and vibration. It is ideal for bonding dissimilar materials. It can be modified with West System fillers and additives, and used to wet-out fiberglass tapes and fabrics. Mixed at a 1:1 ratio, G/flex gives you 45 minutes of working time at room temperature. It reaches an initial cure in 7 to 10 hrs and full cure in 24 hrs. 8 oz. kit (2 4 oz. bottles).
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