West System - Resin- 105-A 1quart

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AD-MMS-Resin 105-A 1qt
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Made in the USA

West System Resin

**NOTE** We can not ship this item internationally

Extra Slow

1 quart (32fl oz)

105 Epoxy Resin® is the base material on which all West System 105 System epoxy compounds are built. The resin is a clear, pale yellow, 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.

105 Resin is formulated without volatile solvents and does not shrink after curing. It has a relatively high flash point and no strong solvent odor, making it safer to work with than polyester or vinylester resins. Resin viscosity is approximately 1000 centipoise (cp) at 72 F (22C),

105 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 hardener. An excellent adhesive, 105 mixtures will bridge gaps and fill voids when modified with West System fillers and can be sanded and shaped when cured. With roller applications, it has excellent thin-film characteristics to flow out and self-level without “fisheyeing.” 105 Resin/207 Hardener mixtures cure clear so you can achieve a natural finish when coating with varnish.

Store at room temperature. Keep containers closed to prevent contamination. With proper storage, resin and hardeners should remain usable for many years. Over time, 105 Resin will thicken slightly and will therefore require extra care when mixing. Repeated freeze/thaw cycles during storage may cause crystallization of 105 Resin. Warm resin to 125°F and stir to dissolve crystals.

Hardeners may darken with age, but physical properties are not affected by color. After a long storage, verify the metering accuracy of the pumps and mix a small test batch to assure proper curing.

Tip: West System is a 2 part epoxy system that is measured by volume or weight. The volumes are NOT 50-50. We suggest you also purchase the set of 3 mini-pumps that will dispense the resin and hardener in the correct proportions. The upside to the pumps are they are very easy to use, the downside is they tend to dispense just a little more than you need. If you want to use small amounts, measure by volume using the weight ratio's listed on the containers.

Tip: Most epoxies can easily be colored by adding a drop or two of clothes dye. Start with just a drop or two. It doesn't take much.

Tip: Leave the mixing cup on the bench to cure right along with your knife. When checking the cure, check the mixing cup instead of the knife in case it hasn't set up yet. If you have a large cup full sitting to cure, be careful of heat this generates when curing. I have had a cup of this epoxy get so hot it scorched my plywood workbench top.

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