10 Best Epoxy For Aluminums 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the J-B Weld 8272 MarineWeld Marine Epoxy is the one of the Best Epoxy For Aluminum on the market.

J-B Weld 8272 MarineWeld Marine Epoxy – Best Overall Epoxy For Aluminum

J-B Weld 8272 MarineWeld Marine Epoxy
  • JB MARINEWELD: Is a 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
  • COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects
  • EASY TO USE: MarineWeld sets in 4-6 hours and is fully cured to dark grey in 15-24 hours. Once cured, it can be shaped, tapped, filed, sanded and drilled. It retains strength above & below water
  • VERSATILE & DEPENDABLE: Great for in/outboard engines, boats, personal watercraft and deck accessories. It has a 1:1 mixing ratio and tensile strength of 3960 PSI
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond

MASTERCOOL 90934 Alum Bond A/C Repair Epoxy – Best Budget Epoxy For Aluminum

MASTERCOOL 90934 Alum Bond A/C Repair Epoxy
  • 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

Hy-Poxy H-450 Alumbond 6.5 oz Aluminum Putty Repair Kit – Best under $50

Hy-Poxy H-450 Alumbond 6.5 oz Aluminum Putty Repair Kit
  • 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

PC Products 167779 PC-7 Two-Part Heavy Duty Multipurpose Epoxy Adhesive

PC Products 167779 PC-7 Two-Part Heavy Duty Multipurpose Epoxy Adhesive
  • Two-part multipurpose epoxy adhesive paste works as a bonding agent, sealant, and filler for a range of indoor and outdoor applications
  • Bonds many materials, including fiberglass, wood, concrete, many metals, brick, glass, ceramic, and rubber
  • Seals oil, gas, and water tank leaks, as well as plumbing and masonry cracks
  • Fills holes, castings, and molds
  • Application temperature range is 35 to 115 degrees F, and service temperature range is -20 to +200 degrees F
  • PC-7 formulation provides extended working time, for large and critical jobs, which allow the user to reposition work or make changes.
  • High "wet grab" or tack of PC-7 Paste Epoxy makes overhead and sidewall work easy, without drip or sag.
  • PC-7 demonstrates excellent chemical resistance to mild acids, caustics, detergents, gasoline, fuel oil, salt and fresh water.
  • Note: PC-7 will not bond to wax paper, Teflon, Polyethylene and some other plastics. Test a small area when in doubt.

Devcon 10610 Aluminum Putty (F) – Premium Pick

Devcon 10610 Aluminum Putty (F)
  • Size: 1 lb
  • Color: Aluminum
  • Physical state/appearance: Paste
  • Repairs air conditioning system components
  • Fills porosity in aluminum castings

Star Brite 4oz Epoxy Putty Stick

Star Brite 4oz Epoxy Putty Stick
  • 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

J-B Weld 8265S Original Cold-Weld Steel Reinforced Epoxy

J-B Weld 8265S Original Cold-Weld Steel Reinforced Epoxy
  • JB WELD: Is The Original Cold Weld two-part epoxy system that provides strong, lasting repairs to metal and multiple surfaces. Perfect for household, automotive, marine and craft uses.
  • THE ORIGINAL COLD WELD: JB Weld was developed as an alternative to torch welding. Designed to be effective in extreme environments, once it sets, it creates a permanent bond stronger than steel.
  • EASY TO USE: Mixed at a ratio of 1:1, it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled after curing. At room temperature, J-B Weld sets in 4-6 hours to a dark grey color.
  • VERSATILE & DEPENDABLE: J-B Weld has a tensile strength of 3960 PSI & sets overnight. It can withstand temperatures up to 550ºF when cured. Great for use on brick, concrete, metal, fiberglass & more.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond.
  • Will set in 4-6 hours, and cure in 16-24 hours
  • Waterproof, petroleum, chemical, and acid resistant when fully cured
  • Can be drilled, tapped, machined, filed, sanded and painted
  • Stong and nontoxic after it has set and temperature resistant up to 500F
  • Tensile strength is 3,960 PSI

J-B Weld 8281 Professional Size Steel Reinforced Epoxy Twin Pack-10

J-B Weld 8281 Professional Size Steel Reinforced Epoxy Twin Pack-10
  • JB WELD: Is The Original Cold Weld two-part epoxy system that provides strong, lasting repairs to metal and multiple surfaces. Perfect for household, automotive, marine and craft uses.
  • THE ORIGINAL COLD WELD: JB Weld was developed as an alternative to torch welding. Designed to be effective in extreme environments, once it sets, it creates a permanent bond stronger than steel.
  • EASY TO USE: Mixed at a ratio of 1:1, it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled after curing. At room temperature, J-B Weld sets in 4-6 hours to a dark grey color.
  • VERSATILE & DEPENDABLE: J-B Weld has a tensile strength of 3960 PSI & sets overnight. It can withstand temperatures up to 550ºF when cured. Great for use on brick, concrete, metal, fiberglass & more.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond.

J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick

J-B Weld 8267 SteelStik Steel Reinforced Epoxy Putty Stick
  • B WELD STEELSTIK: Is a hand-mixable, steel-reinforced, non-rusting epoxy putty that quickly repairs or rebuilds anything made of metal. Steelstik will withstand temperatures up to 300 degrees F.
  • COUNT ON US: For more than 40 years, our products have earned a loyal following from people who take pride in their work. With each product we innovate, we continue to provide the world's strongest bond for your projects.
  • SIMPLE TO USE: SteelStik sets in 3-5 minutes. After 60 minutes, can be drilled, tapped, machined, ground, filed and painted. Curing to a dark grey color, it is rated at a tensile strength of 900 PSI.
  • VERSATILE & DEPENDABLE: Ideal for automotive, brick, ceramic, concrete, metal, underwater and wet use, exhaust systems, plumbing, stripped threads, rust damage, household repairs and more.
  • DO IT YOURSELF: Big or small, you can DIY it with J-B. Our heavy duty adhesives repair & restore it right the first time. JB Weld delivers the legendary performance of the World's Strongest Bond.

Permatex 84109 PermaPoxy 4 Minute Multi-Metal Epoxy

Permatex 84109 PermaPoxy 4 Minute Multi-Metal Epoxy
  • 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

Similiar Categories