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    • 407 Low-Density is a blended microballoon-based fairing filler for WEST SYSTEM Epoxy.
    • Add 407 to a mixture of epoxy resin/hardener to create a fairing putty.
    • Blended with epoxy to a “peanut butter” consistency, it will be easy to fair.
    • Cures to a dark red/brown color.
    • You can blend it into any WEST SYSTEM 105 Resin/20X Hardener combination, G/flex Epoxy 650, or G/5 Five-Minute Adhesive.
    Sku: B0006JJ9T8

    FILLER LOW DENSITY 12 OZ

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    • 410 Microlight is the ideal low-density filler.
    • When blended with epoxy, it creates a light, easily-worked epoxy fairing compound.
    • Especially suited for fairing large areas.
    • After epoxy thickened with 410 cures, it is about 30% easier to sand than most other epoxy-based fairing compounds.
    • Not recommended for use under dark paint, or other surfaces subject to high temperatures.
    Sku: B0006JJATC

    FILLER MICROLIGHT 5 OZ

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    Brand West System
    Material Epoxy Resin, Resin
    Compatible Material Fiberglass
    Item Form Paste
    Color off-white
    • THIS BLEND OF FINE FIBERS thickens mixed epoxy resin and hardener to create a multi-purpose adhesive. Its most popular use is for bonding wood. Epoxy thickened with microfibers has good gap-filling qualities but will still do an excellent job of wetting-out/penetrating into wood fibers. Use it to thicken any WEST SYSTEM Epoxy including 105 Resin-based epoxies, G/flex or G/5. Blended with epoxy, it will cure to an off-white color.
    • THICKEN EPOXY with this high-density filler to make a non-slumping adhesive that will bridge large gaps. It will strongly bond wood joints, saving you the time and labor involved in crafting tight joinery.
    • FOR MAXIMUM STRENGTH add only enough filler to completely bridge gaps between surfaces without sagging or running out of the joint or gap. A small amount should squeeze out of the joints when clamped. For thick mixtures, don’t fill the mixing cup more than 1/3 full of epoxy before adding filler.
    • THE AMOUNT OF FILLER you add controls epoxy's viscosity. There is no strict formula, just use your eye to judge what consistency will work best for the job at hand. The chart below offers guidelines to the differences between neat (unthickened) epoxy and three popular consistencies of thickened epoxy: "catsup," "mayonnaise," and "peanut butter."
    • FOR CONSISTENCY across a project that calls for several batches of epoxy that's thickened to the same degree, you can create your own epoxy/filler "recipe." Carefully measure the amount of filler you add to the first epoxy batch until it reaches the viscosity you need, keeping track of the total amount you've added. Mix the same amounts of resin, hardener, and filler for the remaining batches so they all have the same viscosity.
    Sku: B0006JJ9U2

    WEST SYSTEM 403-28 Microfibers, 20 oz

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    Brand West System
    Material Resin
    Compatible Material Wood
    Item Form Liquid
    Special Feature Wood-toned, Modifiable shade, Compatible with various West System products
    • West System 405 Filleting Blend Adhesive Filler is a strong, wood-toned epoxy filler.
    • Can be blended with other WEST SYSTEM Fillers to modify the shade of your epoxy mix.
    • Can blend it into any WEST SYSTEM 105 Resin/Hardener combination, G/flex Epoxy 650, or G/5 Five-Minute Adhesive.
    Sku: B005150RT8

    West System 405 Filleting Blend

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    • 406 Colloidal Silica is an epoxy thickening additive used to control the viscosity of the epoxy.
    • Prevents epoxy runoff in vertical and overhead joints.
    • Can be used to improve strength, abrasion resistance, and consistency of epoxy fairing compounds.
    • Cures to an off-white color.
    Sku: B0000AY1OC

    West System 406-2 Colloidal Silica 1.7 oz

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