All in all, we spent hundreds of hours combing through thousands of user reviews to put together a comprehensive list of the best aluminum epoxy on the market. We then delved into these aluminum epoxy further and put together detailed reviews so that you can easily pick the best aluminum epoxy for your needs.
Best aluminum epoxy
1. J-B Weld 8272 MarineWeld Marine Epoxy - 2 oz.
Feature
Two-part epoxy cold weld system specially formulated for marine applicationsGreat for bonding aluminum, metal, composites, fiberglass and more
Sets in 4-6 hours at room temperature and cures dark grey in 15-24 hours
Once cured, it can be shaped, tapped, filed, sanded and drilled and will retain its strength above or under water
J-B Weld is proudly made in the USA
Description
J-B Weld MarineWeld Marine EpoxyJ-B MarineWeld is a specially formulated two-part epoxy cold weld system that provides for strong, lasting repairs for bonding different or similar surfaces, such as aluminum, metal, composites, fiberglass and others. MarineWeld sets in 4-6 hours at room temperature and is fully cured to a dark grey color in 15-24 hours. Once cured, it can be shaped, tapped, filed, sanded and drilled and will retain its strength above or below the waters surface. MarineWeld has a 1:1 mixing ratio and tensile strength of 3960 PSI.
Great for:
Use on:
Instructions
1. Prepare: Clean surface area of dirt, grease, oil, paint, or loose debris. For best results use a detergent or degreaser to first clean the surface, then roughen surface with file or coarse sandpaper to provide the best repair.
2. Mix: Squeeze equal parts from each tube onto a disposable surface and mix thoroughly.
3. Apply: Apply with appropriate tool in an even coat, weld bead or extruded shape as needed.
4. Dry: Sets in 4-6 hours. Cures in 15-24 hours. Allow 4-6 hours before handling and 15 hours (minimum) before putting object back in use.
J-B Weld is proudly made in the USA
2. Marine-Tex RM330K Gluvit Waterproof Epoxy Sealer - 2 lbs.
Feature
Seek, fill, and seal crack in fiberflass, wood and metal.Hard protective coating flexes with hull movements to bridge and seal hairline cracks.
Seals aluminum seams, rivets, and leaks around cabins or decks
Long working time allows for maximum penetration
Easily top coated with bottom or topside coatings an dmost paints.
Description
Gluvit 2 lb. unit Waterproof epoxy sealer Paintable waterproof epoxy seeks, fills, and seals cracks in fiberglass, wood and metal. Hard protective coating flexes with hull movements to bridge and seal hairline cracks. Deteriorated wood can be renewed with a few strokes to penetrate and strengthen stringers, decking and molding. Impact and abrasion resistant barrier coat minimizes fiberglass blistering and corrosion. Seals leaky aluminum seams, rivets, and leaks around cabins or decks. Gluvit fills minor cracks and pinholes. Long working time allows penetration into cracks to seal and strengthen. Easily top coated with bottom or topside coatings and most paints.3. Hy-Poxy H-450 Alumbond 6.5 oz Aluminum Putty Repair Kit
Feature
Epoxy metal weld for aluminumRepairs HVAC, radiators, engine blocks, boat hulls, equipment, appliances
Can be drilled, tapped, sanded, threaded and painted
Gives you a non rusting, non magnetic aluminum gray color, stays gray even after sanding/polishing
Made in the USA
4. STAR BRITE Epoxy Aluminum Putty Stick - Make Fast, Permanent Repairs - Even Underwater - Aluminum4 OZ. (087004)
Feature
Works underwater! Every boater should have this onboard for emergency and permanant repairsEasy to use - hand knead for 1 minute and apply to damaged area
Bonds in 5-10 minutes - Steel hard in 30 minutes Fully cured in 60 minutes and can then be sanded, drilled and tapped
Special additives cut through oxidation and anodization to maximize bonding to weathered aluminum
Withstands high temperatures and pressures making it ideal for manifolds, mufflers, & drive units
5. J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick - 2 oz.
Feature
J-B Weld Steelstik: A Hand Mixable Two Part Epoxy Putty Stick That Is Steel Reinforced & Non-Rusting To Quickly Repair Or Rebuild Anything Made Of Metal! J-B Weld Steelstik Is Certified By The Nsf And Is Safe For Contact With Potable WaterCure And Set Time: After Kneading The Two Part Formula Together By Hand, Steelstik Takes 5 Minutes To Set And Cures In 1 Hour. J-B Weld Steelstik Set And Cure Color Is Dark Grey
Product Features And Strength: J-B Weld Steelstik Has Lap Shear Strength Of 900 Psi, Can Withstand Continuous Temperatures Up To 350F (176C ) And Intermittent Temperatures Of 450F (232C), And Is Chemical Resistant Against Petroleum, Hydraulic Fluids And Other Chemicals When Fully Cured. Steelstik Can Be Molded, Shaped, Sanded, Drilled And Tapped
Surface Applications: Iron & Stainless Steel, Copper & Brass, Aluminum & Bronze, Fiberglass And Plastic & Pvc
6. TotalBoat Aluminum Boat Barrier Coat (Gallon, Gray)
Feature
High-build, two-component epoxy primer and barrier coat for excellent corrosion prevention on aluminum hulls and pontoon boats. Can be overcoated with bottom paints or other 1- and 2-part paintsProvides superior corrosion protection on all underwater metals
Fast drying, with no sanding needed between coats
For use above and below the waterline
Available in Gray in Quart or Gallon size kits. Coverage: Approximately 225 sq. ft./gallon @ 7 mils wet. Thinner: TotalBoat Epoxy Primer Thinner 200
7. Loctite 1360700 ADHESIVES_and_SEALANTS, 1 oz, Metallic Gray
Feature
Loctite, 2 oz, epoxy weld bonding compound glue, 2 part system, consists of an epoxy resin & a hardener, when mixed in equal VolumesAdds Extra shine to your product
Manufactured in China
Can be used as a convenient alternative to welding. For bonding metals such as iron, steel, aluminum, brass, bronze, copper and pewter.
It can be used as an adhesive for repairing, filling and rebuilding all metal and common surfaces.
It cures to a metallic gray finish and can be easily sanded, drilled, machined or painted when fully cured.
Does not shrink. Resistant to most shop fluids such as diesel, gasoline, anti-freeze, motor oil, hydraulic and transmission fluids.
Recommended for repairing machinery, appliances, tools, lawnmowers, automotive components, pipes, and embedding bolts and screws into metal.
8. MASTERCOOL 90934 Alum Bond A/C Repair Epoxy - 2 oz.
Feature
Hardness (Shore, ASTM D 1706): 83DCoefficient of Thermal Expansion: 40 x 10-6 cm/cm/ DegreeC
Compression Strength (ASTM D 695): 8600 PSI (59 M Pa)
Tensile Strength (ASTM D 638): 3500 PSI (24 M Pa)
Maximum Line Pressure (after 5 hours application time): 650 PSI
9. Devcon 10610 Aluminum Putty (F), 1 lb. Can
Feature
Size: 1 lbColor: Aluminum
Physical state/appearance: Paste
Repairs air conditioning system components
Fills porosity in aluminum castings
10. Polymeric Systems 457050 QuikAluminum 7" Epoxy Stick
Feature
QuikAluminum Epoxy Putty Stick is a hand-kneadable, fast-setting, aluminum-reinforced polymer compound for permanent repairs to anything made of aluminumIt also bonds to other metals, wood, glass, masonry and many plastics
It comes in a handy "Tootsie-roll" form with the curing agent encapsulated in the contrasting color base material
