What is the best adhesive to glue aluminium to aluminium? (2024)

FAQs

What is the best adhesive to glue aluminium to aluminium? ›

The strongest glue to bond your aluminium would be an epoxy adhesive. In order of strongest to least strong, the strength rating of each adhesive is as follows: Epoxies: Which can bond aluminium with a strength of up to 30 MPa* Methyl Methacrylate adhesives: They have a strength of up to 25 MPa when bonding aluminium.

EPOXY SYSTEMS - One component epoxy glues are ideal for aluminum bonding. They are easy to apply and cure fast when heated. Also 2K epoxy glues are suitable for aluminum. They generally form the strongest bonds.

There are two suitable options for this application. You can either use a two-part epoxy such as Araldite Super Strength, this will require you to mix the two parts together to use. Alternatively, you can use Liquid Nails Mirror Metal & Glass, a neutral cure silicone adhesive which is ready to use.

Cyanoacrylate – also known as instant adhesives, super glue, crazy glue, ca glue, etc. All grades will bond aluminum well. For very high strength use a metal bonder such as 170 or the original 910®. For bonding aluminum to dissimilar surfaces with different coefficients of thermal expansion consider toughened 737.

As previously discussed in our Guide to Gluing Metal, we recommend an epoxy glue for a stronger bond. Both an aluminium epoxy glue and watertight epoxy have the ability to bond aluminium to aluminium and contain the right attributes to keep it secure.

Polyurethane based glues (like Gorilla Glue) and cyanoacrylate based adhesives (like Gorilla Super Glue) will both work on metals, as will epoxies and contact adhesive; which glue is best depends on a few other considerations.

In short — yes, you can use J-B Weld to repair aluminium.

But the question is, what is the extent of the needed repair, and are you repairing something critical that can endanger you or someone else if the bond were to fail?

Loctite Epoxy Weld Bonding Compound is the best epoxy adhesive for metals like aluminum, steel, copper, bronze, and iron. It embeds bolts and screws into metal, is impact resistant, and is not affected by chemicals like gasoline, diesel fuel, motor oil, transmission fluid, hydraulic fluid and antifreeze.

Epoxy and polyurethane adhesives are the systems of choice in bonding aluminum alloys. Concerns regarding formation of a protective layer of aluminum oxide and galvanic corrosion must be addressed to ensure suitability and compatibility of the bonding compound.

Selleys Liquid Nails Instant Hold is our recommended adhesive for installing the Ultimate Tactile and both Aluminium and Reinforced Fibreglass stair nosings.

How do you join Aluminium with aluminium? ›

Most aluminium alloys can be joined by welding together; however, certain aircraft-grade aluminium and other special alloys are unweldable using conventional methods. Aluminium is commonly welded with gas metal arc welding (GMAW) and gas tungsten arc welding (GTAW).

The proper fastening method must be used when working with aluminum. When firmly fastening aluminum to other materials or connecting aluminum components, self-tapping screws have many advantages. They are the best option because they can drill their own hole and withstand loss from vibrations.

The combination of aluminum and stainless steel causes galvanic corrosion. In order to understand why you shouldn't use stainless steel and aluminum together, we first need to understand how galvanic corrosion works. Galvanic corrosion is the transfer of electrons from one material (anode) to another (cathode).

A bolted joint with a threaded fastener and a nut is the ultimate non-welded connection for aluminum–or any other machinable material. Generally, a properly applied bolted connection is as strong or stronger than the material around it when used in sheet or thin plate applications.

Some of the frequent alloying elements for aluminum include silicon, magnesium, manganese, zinc, molybdenum and copper. Among the strongest of these alloys are the aluminum-zinc grades.

E6000 has exceptional adhesion to wood, metal, glass, fiberglass, ceramics, masonry and concrete. It also adheres strongly to leather, rubber, vinyl and many plastics.