10 Best Epoxy For Aluminums 2024

Hy-Poxy H-450 Alumbond 6.5 oz Aluminum Putty Repair Kit – ⭐ Best Overall Epoxy For Aluminum

H-450 by HY-POXY

• Weight: 0.44 pounds

• Epoxy metal weld for aluminum
• Repairs 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

MASTERCOOL 90934 Alum Bond A/C Repair Epoxy

90934 by MASTERCOOL

• Release date: 05/16/2014
• Color: Black/Blue
• Weight: 0.02 pounds
• Dimensions: 3 x 1 x 0.1 inches

• Hardness (Shore, ASTM D 1706): 83D
• Coefficient 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

J-B Weld 8272 MarineWeld Marine Epoxy

8272 by J-B Weld

• Release date: 08/10/2018
• Color: 2oz.
• Weight: 0.15 pounds
• Dimensions: 8 x 5 x 1.5 inches

• J-B WELD MARINEWELD: A two-part epoxy cold weld system that provides strong, lasting repairs to multiple surfaces. Perfect for all DIY marine and watercraft repairs.
• CURE AND SET TIME: After mixing the tubes at a 1:1 ratio, it takes 4-6 hours to set and 16-24 hours to cure. Once cured J-B Weld MarineWeld can be tapped, filled, sanded, molded and drilled. J-B Weld MarineWeld’s set and cure color is dark grey.
• VERSATILE AND DEPENDABLE: J-B Weld MarineWeld is steel reinforced, has a tensile strength of 5020 PSI and can withstand temperatures up to 550 degrees Fahrenheit (287 degrees Celsius). When fully cured, MarineWeld is waterproof and resistant to petroleum, chemical and acid. It retains strength above & below water.
• SURFACE APPLICATIONS: Aluminum, Fiberglass, Metal, Plastic/Composite, Wood.
• DO IT YOURSELF: Big or small, you can DIY it with J-B Weld. Our heavy duty epoxy and adhesives repair & restore it right the first time. J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond.

Permatex 84109 PermaPoxy 4 Minute Multi-Metal Epoxy – 💲 Best Budget Epoxy For Aluminum

84109 by Permatex

• Weight: 0.15 pounds
• Dimensions: 1.1 x 3.8 x 8 inches

• Versatile, easy-to-use, multi-metal dark grey epoxy adhesive that eliminates the need for welding or brazing
• Water and solvent resistant epoxy sets in 4 minutes with no clamping needed; permanent strength up to 4500 PSI
• Fills gaps and will not shrink; when cured can be drilled, sanded, threaded or filed
• Temperature Range: -60°F to 300°F (-51°C to 149°C)
• Suggested Applications: Ideal for complex, multi-piece assemblies; bonds rigid materials including aluminum, brass, chrome, copper, iron, stainless steel, and steel; use to seal welded seams, fill metal cracks, and mount metal components

Devcon 10610 Aluminum Putty (F)

230-10610 by Devcon

• Color: Aluminum
• Weight: 1 pounds
• Dimensions: 11.9 x 7.3 x 8.3 inches
• Warranty: Manufacturer

• Size: 1 lb
• Color: Aluminum
• Physical state/appearance: Paste
• Repairs air conditioning system components
• Fills porosity in aluminum castings

Marine-Tex RM330K Gluvit Waterproof Epoxy Sealer

RM330K by Travaco

• Release date: 08/21/2010
• Weight: 1.8 pounds
• Dimensions: 5.5 x 4.5 x 5 inches

• Gluvit barrier coat seals and protects hulls and decks
• Provides superior protection for fiberglass, wood, aluminum, and steel
• Seals leaky seams and rivets in aluminum hulls, and leaks around fiberglass cabins or decks
• Hard protective coating flexes with hull movements to bridge and seal hairline cracks
• Fills minor cracks and pinholes
• Note:Epoxy Sealer” is 1.8 pounds. and the Gluvit Catalyst” is .268 pounds.

Star Brite 087004 Epoxy Aluminum Putty Stick

87004 by Star Brite

• Release date: 10/09/2012
• Weight: 0.33 pounds
• Dimensions: 6 x 6 x 9 inches

• Works underwater! Every boater should have this onboard for emergency and permanant repairs
• Easy 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

TotalBoat TotalFair Marine Epoxy Fairing Compound for Fiberglass – 👑 Premium Pick

409337 by TotalBoat

• HIGH-STRENGTH, LIGHTWEIGHT TWO-PART EPOXY FILLER smooths out the rough spots and fills the voids; ideal for filling and fairing dents, holes and gouges on your boat, canoe or other watercraft. Marine-grade putty is also great for home, rv and auto repair
• SUPER SMOOTH FINISH FOR PERMANENT, WATERPROOF REPAIRS: Marine filler bonds strongly to damaged areas and cures without pinholes on wood, aluminum, steel and fiberglass repair areas; cured TotalFair is waterproof; use above and below the waterline
• EASY TO MIX AND APPLY: Foolproof 1 to 1 mix ratio - just mix the blue and yellow components until they turn green. Creamy smooth consistency makes it easy to spread and feather to a fine edge; won't sag on vertical and overhead surfaces
• CURES FAST. EASY TO SAND AND PAINT: Quick-drying compound is ready to sand in just 3 hours at 80°F; cured fairing compound sands easily; compatible with latex and epoxy primers and paints
• CHOOSE KIT SIZE: 2-PINT KIT, 2-QUART KIT or 2-GALLON KIT. NOTE: TotalBoat Gelcoat should not be applied directly over TotalFair or gelcoat will not cure properly. Before applying gelcoat, apply TotalBoat 2-Part Epoxy Primer or TotalProtect over TotalFair

Eastwood Epoxy Steel Aluminum Fiberglass Primer and Sealer Activator Quart

EPC611QT by Eastwood

• Color: Clear
• Weight: 2.5 pounds

• Activator for Epoxy Primers
• Mixes 1:1 with Epoxy Primers 50242ZP
• Excellent Adhesion And Corrosion Resistance
• Applied Over Steel, Aluminum, Fiberglass, Body Fillers, Existing Finishes

Hy-Poxy H-259 Alumfast Rapid Cure Aluminum Filled Epoxy Putty

H-259 by HY-POXY

• Weight: 0.13 pounds

• Aluminum reinforced epoxy putty repair stick
• Rapid 1 minute bonding
• Non rusting
• It adheres to most surfaces and can be machined and used under water as well
• Made in the USA