Fillers and Additives

An excellent thixotropic agent which is used to control the flow qualities of epoxy or fiberglass resin. In small quantities, it reduces the tenden...

406 Colloidal Silica is an epoxy thickening additive used to control the viscosity of the epoxy. It prevents epoxy runoff in vertical and overhead ...

A light-brown, flour-like, wood by-product most commonly used to thicken epoxy resin to a peanut-butter consistency for filleting (radiusing inside...

Details Made from hollow, water-resistant, and chemically-stable soda-lime-borosilicate glass Each bubble has a crush strength of 300 psi (2.0...

410 Microlight is the ideal low-density filler. When you blend it with epoxy, it creates a light, easily-worked epoxy fairing compound. It’s especi...

403 Microfibers Adhesive Filler is a fine fiber blend. Use it to thicken epoxy blended resin/hardener and create a multi-purpose adhesive. It’s mos...

404 High-Density Adhesive Filler is an epoxy thickening additive. We developed it for maximum physical adhesive properties in hardware bonding, or ...

An excellent thixotropic agent which is used to control the flow qualities of epoxy or fiberglass resin. In small quantities, it reduces the tenden...

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 fair...

Hollow reddish brown spheres used to make light weight fairing & filleting compounds. Good sanding feather edge sanding properties. Slightly be...

423 Graphite Powder is a fine black powder that can be mixed with epoxy to produce a low-friction exterior coating with increased scuff resistance ...

These are ground glass fibers that add moderate strength when added to resin. Shorter than Chopped Strand, they make a fiberous jelly-like product,...

Used as an epoxy thickener for strength and gap filling properties and to makes glues with good wetting ability. Colodial / Fumed Silica can be add...

405 Filleting Blend Adhesive Filler is a strong, wood-toned epoxy filler. Add it to your epoxy mix when making epoxy joints and fillets on naturall...

When mixed with your epoxy Phenolic Microballoons can be used as a fairing or filleting compound. These microballoons are a low density, light weig...

For use when epoxy must fill a void and provide extremely high strength and resistance to cracking (i.e. structural filleting, bonding of hardware,...

Non abrasive paint additive to produce anti skid decks.  When mixed with epoxy, latex or oil-based paints, stains, or sealers, it creates a skid-re...

Thin glass fibers chopped to 1/4” lengths. Chopped Strand adds strength and gap filling to any mixture of fillers and resin. This can be added to ...

Talc is a white to greyish-white fine powder which is made from finely ground talc, an extremely soft mineral compound composed of magnesium silica...

406 Colloidal Silica is a thickening additive used to control the viscosity of the epoxy and prevent epoxy runoff in vertical and overhead joints. ...

Thickening additive for epoxy, polyester and vinyl ester resins.  Mixes easily into resin without floating. Easy sanding and spreading. Use in plac...

While WEST SYSTEM Epoxy creates an excellent moisture barrier by itself, 422 Barrier Coat Additive is a proprietary blend designed to further impro...