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Reinforcement & Shaping Fillers for Epoxy Systems

Manufacturer & Supplier of Epoxy Fillers

Delta Polymers has in stock epoxy fillers for sale, which includes reinforcement and shaping fillers. These fillers are powdered materials that are added to an epoxy system to impart specific and desired physical characteristics depending on the application used for the system. Each particular filler possesses its own unique set of physical attributes, however their use in an epoxy system can be loosely placed into two general categories. High-density fillers are used in the manufacturing of strong, but hard to sand systems that are used mostly in structural applications like bonding, adhesion, and reinforcement. Low-density fillers are used in light and easily sanded epoxy systems that are applied where it must be shaped, filled or faired because of cosmetic concerns. For more information about our selection of epoxy products, including the manufacturing and sale of epoxy fillers, please reach out to us today.

Contact Delta Polymers

On top of manufacturing and selling epoxy fillers, we also sell metallic epoxy floor, concrete epoxy, and epoxy mortar among many other epoxies as well. Contact us today for a quote.

When to Use Epoxy Fillers

There are certain times when to use epoxy fillers. Here are some of those certain times.

Adhesive Bonding and Gap Filling

Use a high density filler for maximum strength bonds for bonding hardwood floors and metals or for filling in large gaps. Mix epoxy and a high density filler of your choice until the mixture is the density of mayonnaise.

Filling Smaller Holes

To fill small holes, such as nail or screw holes, mix milled glass fiber into epoxy until you get the desired consistency.


The application of laminating involves gluing together strips of wood, planks, core materials, or plywood sheets and then clamping them together to hold them in place until properly cured. To create the glue needed for this application, mix milled glass fibers with epoxy until the mixture is the consistency of ketchup.


Fairing is when you make a surface level by filling in all of the low spots or by reshaping the voids. It is very common in boats and many DIY home repairs to fix dents, dings, and gouges. Microballons mixed with epoxy creates an ideal fairing compound because micoballons make the compound easier to sand smooth, once cured. Once complete, if the putty needs to thicken a little more so it stays in place better, adding something like silica can help. The end result should be something that has the consistency of peanut butter.


A fillet is a continuous bead of mixed, thickened epoxy applied to the angle joint formed where two parts meet, like, for example, two pieces of plywood. Fillets create a strong structural brace without the need for fasteners. Fillets are primarily used in wooden boating building and repair, but can be used for DIY home repairs on trim and window frames.

The use of wood flour is ideal for fillets, because it absorbs the epoxy to create a stiff, strong putty that is the color of wood. When it comes to fillets, it is more effective to combine fillers than to use wood flour alone. And the end result of this mixture should have the consistency of peanut butter. On top of creating a strong bond between surfaces, this mixture is also good for filling wood cracks with epoxy, filling holes in wood with epoxy, and filling large voices in wood with epoxy.

Call our New York Epoxy Resin System Headquarters in Bay Shore, Long Island

Toll Free at (800) 966 5142
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