Fillers & Additives
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Vendor:Boat SuppliersAerosil - Cabosil (Fumed Silica)
Fumed silica (Cabosil / Aerosil) thickens epoxy, polyester or vinylester into a non-sag paste for structural bonds and...Regular price $8.95 USDSale price $8.95 USD Regular priceUnit price $8.95 per qt -
Vendor:Boat SuppliersQ-Cells
Q-cells are hollow glass microspheres that turn epoxy or polyester into a light, easy-sand fairing compound. Best for...Regular price $7.95 USDSale price $7.95 USD Regular priceUnit price $7.95 per qt -
Vendor:Boat SuppliersBoat Suppliers Fairing Compound
A pre-blended lightweight fairing filler: just add epoxy, trowel, and sand to a fair, primer-ready surface. No measuring...Regular price $13.95 USDSale price $13.95 USD Regular priceUnit price per -
Vendor:Boat SuppliersPhenolic Microballoons
Phenolic microballoons make a low-cost, ultra-light fairing and void-filling putty in epoxy or polyester. Sand very easily; cure...Regular price $18.95 USDSale price $18.95 USD Regular priceUnit price per -
Vendor:Boat Suppliers3M Glass Bubbles
3M Glass Bubbles are premium hollow glass microspheres for a lightweight fairing compound that sands clean and resists...Regular price $7.95 USDSale price $7.95 USD Regular priceUnit price per -
Vendor:Boat SuppliersCotton Flock
Fine cotton fiber that makes one of the toughest gap-filling fillers for epoxy or polyester. Grips into a...Regular price $6.90 USDSale price $6.90 USD Regular priceUnit price per -
Vendor:Boat Suppliers1/2" Chopped Strand Fiberglass
Loose 1/2 inch E-glass fiber for heavier-duty structural reinforcement than 1/4 inch. Longer strands build tougher, higher-strength bonds...Regular price $13.95 USDSale price $13.95 USD Regular priceUnit price $13.95 per lb -
Vendor:Boat Suppliers1/4" Chopped Strand Fiberglass
Loose 1/4 inch E-glass fiber that adds real tensile and impact strength to epoxy or polyester bonds, castings...Regular price $13.95 USDSale price $13.95 USD Regular priceUnit price $13.95 per lb$7.74 USD -
Vendor:Boat Suppliers1/32" Milled Fiber
Fine 1/32 inch milled E-glass for strong adhesive bonds and fillets without much bulk. Mixes smoother than chopped...Regular price $8.95 USDSale price $8.95 USD Regular priceUnit price per -
Vendor:Boat SuppliersAlumina Trihydrate (ATH)
A fine white mineral filler (ATH) that adds flame and smoke resistance to epoxy, polyester or vinylester castings...Regular price $5.85 USDSale price $5.85 USD Regular priceUnit price per -
Vendor:Boat Suppliers1/4" Chopped Carbon Fiber
1/4 inch chopped carbon fiber adds light, stiff reinforcement to epoxy or polyester castings and repairs, no continuous...Regular price $17.95 USDSale price $17.95 USD Regular priceUnit price per -
Vendor:Boat Suppliers1/2" Chopped Carbon Fiber
1/2 inch chopped carbon fiber: longer strands for stiffer, stronger castings and repairs where structural stiffness is the...Regular price $17.95 USDSale price $17.95 USD Regular priceUnit price per -
Vendor:Boat SuppliersNon-Skid Additive For Gelcoats & Paints
A tough polymer grit you mix into gelcoat, paint or epoxy for a safe, slip-resistant deck texture. Fine,...Regular price $11.38 USDSale price $11.38 USD Regular priceUnit price per -
Vendor:Boat SuppliersLiquid Colored Pigments
Shop liquid colored pigments for vibrant, custom finishes. Find high-quality pigments compatible with resins and gelcoats, perfect for...Regular price $6.95 USDSale price $6.95 USD Regular priceUnit price per -
Vendor:Boat SuppliersLiquid Transparent Colored Pigments
This liquid pigment is designed for incorporation into polyester, epoxy, and vinyl ester resins, producing a colored transparent...Regular price $6.95 USDSale price $6.95 USD Regular priceUnit price per -
Vendor:West SystemWest System 403 Microfibers
West System 403 Microfibers are a fine cellulose-based thickening and reinforcing filler designed to blend seamlessly with epoxy...Regular price $20.67 USDSale price $20.67 USD Regular priceUnit price per$23.77 USDSale -
Vendor:West SystemWest System 404 High Density Filler
West System 404 High Density Filler This high density filler by West System is designed to act as...Regular price $27.97 USDSale price $27.97 USD Regular priceUnit price per$33.56 USDSale -
Vendor:West SystemWest System 405 Filleting Blend Filler
West System 405 Filleting Blend When mixed with a 105 Resin EpoxyHardener mix the 405 Filleting Blend is...Regular price $25.71 USDSale price $25.71 USD Regular priceUnit price per$30.85 USDSale -
Vendor:West SystemWest System 406 Colloidal Silica Adhesive Filler
West System 406 Colloidal Silica Adhesive Filler West Systems 406 Colloidal Silica is used as an epoxy thickening...Regular price $20.67 USDSale price $20.67 USD Regular priceUnit price per$23.77 USDSale -
Vendor:West SystemWest System 410 Microlight
West System 410 Microlight 410 Microlight is a low density filler that is ideal for making light and...Regular price $30.13 USDSale price $30.13 USD Regular priceUnit price per$36.16 USDSale -
Vendor:Sea HawkHawk Epoxy F1 High Load Adhesive Fiber Filler
Hawk Epoxy F1 High Load Adhesive Fiber Filler The Sea Hawk Hawk Epoxy F1 High Load Adhesive Fiber...Regular price $10.49 USDSale price $10.49 USD Regular priceUnit price per$13.99 USDSale -
Vendor:Sea HawkHawk Epoxy F2 Structural Adhesive Filler
Hawk Epoxy F2 Structural Adhesive Filler The Sea Hawk Hawk Epoxy F2 Structural Adhesive Filler is an easy...Regular price $7.99 USDSale price $7.99 USD Regular priceUnit price per$10.99 USDSale -
Vendor:Sea HawkHawk Epoxy F5 Light Density Fairing Filler
Hawk Epoxy F5 Light Density Fairing Filler The Sea Hawk Hawk Epoxy F5 Light Density Fairing Filler is...Regular price $11.99 USDSale price $11.99 USD Regular priceUnit price per$15.99 USDSale -
Vendor:Sea HawkHawk Epoxy F6 MicroSphere Fairing Filler
Hawk Epoxy F6 MicroSphere Fairing Filler The Sea Hawk Hawk Epoxy F6 MicroSphere Fairing Filler is an easy...Regular price $11.99 USDSale price $11.99 USD Regular priceUnit price per$15.99 USDSale
Fillers & Additives
Shop fillers and additives for customizing marine epoxy and resin. Find high-quality thickeners, fairing compounds, and bonding agents for strong, smooth, and durable finishes.
Popular here: fumed silica, microballoons, Q-cells, 3M glass bubbles.
Related categories: Epoxy Resin, Polyester Resins, Gelcoats.