6 best adhesives for metal

Ratings of the best repair products

Review of the best according to the editorial board. On the selection criteria. This material is subjective and does not constitute advertising and does not serve as a purchase guide. Before buying, you need to consult with a specialist.

There are many ways to connect two metal pieces. They can be welded or soldered, drilled and fixed with bolts, pierced with rivets … But all of them either violate the integrity of the part, or require heating to high temperatures, or are impracticable without special equipment. But glue for metal allows you to reliably connect the elements – even if they are tiny or you cannot heat them.

To make this extraordinary job easier, we've compiled a list of the 6 best metal adhesives for a secure and durable bond.

Rating of the best adhesives for metal

Nomination a place Name of product price
Rating of the best adhesives for metal 1 Weicon VA 110 (NSF certified) (60 g) RUB 3,630
2 Strong steel stick renewal composite 114 g RUB 3,256
3 Weicon RK-1500 two-component structural adhesive (60 g) RUB 1,978
4 Epoxy glue EpoximaxX 1.2 kg RUB 1,990
5 Special glue Poxipol 'Cold welding' (gray) 779 r
6 Super-glue universal Super Bison Super Glue Gel, 3 g RUB 138

Weicon VA 110 (NSF certified) (60 g)

Rating: 4.9

WEICON VA 110 (NSF CERTIFIED) (60G) .jpg

Why it is: Eco-friendly, safe for health composition.

The universal cyanoacrylate Wiecom VA 110 has passed NSF certification, which confirms its safe use and zero emissions of substances harmful to health. It can be used to glue parts and elements that come into contact even with water or food, including metal.

In addition, the adhesive is resistant to temperature influences and can be used in the range from –30 to 80 degrees. Among the advantages is fast curing, which on a metal base takes up to 20 to 50 seconds. However, full strength occurs 24 hours after placement. Upon completion of polymerization, it is characterized by very high shear strength – up to 20 N per square millimeter after sandblasting.

The adhesive is transparent and colorless, making the seam invisible. Weicom VA 110 is suitable not only for metal, but also for plastic, rubber, rubber and other materials.

Advantages

  • Very high strength, up to 20 N / mm2 after sandblasting;
  • NSF certification for safety and environmental friendliness;
  • Relatively fast polymerization.

disadvantages

  • Full polymerization requires 24 hours, during which it is not necessary to load the bonded elements;
  • It is not recommended to apply the composition with a layer thicker than 0.15 mm, which requires caution when using;
  • Comparative high cost.

Strong steel stick renewal composite 114 g

Rating: 4.8

Strong steel stick renewal composite 114 g

Why it is: Chemically stable, hardening as fast as possible.

Although this material is intended for quick repair of various products (including patching pipes), it can also be used as an adhesive for metal. It adheres well to the surfaces it is applied to and cures very quickly.

Unlike the previous composition in the ranking, this material is based on epoxy resins. Due to this, it has a plastic texture that makes it easy to apply to surfaces. It is enough to knead it in your fingers, give it the desired shape and place it at the junction or patch installation. For sufficient polymerization, 20 minutes is enough – after this time it will become hard and very resistant to any mechanical or other aggressive influences.

The glue is also distinguished by its high chemical resistance. It can come in contact with corrosive substances, including alkaline and acidic solutions, as well as ethers and alcohols.

Advantages

  • Chemical and mechanical resistance of the material;
  • Easy to use, can be placed as patches;
  • Fast drying in about 20 minutes.

disadvantages

  • Poor for thin, small seams, butt joints;
  • The inaccessibility of the composite in Russian retail stores;
  • Comparative high cost (due primarily to the rarity on sale).

Weicon RK-1500 two-component structural adhesive (60 g)

Rating: 4.7

TWO-COMPONENT CONSTRUCTION ADHESIVE WEICON RK-1500 (60 G) .jpg

Why it is: High strength, suitable for butt joint.

Weicon RK-1500 two-component structural metal adhesive is designed for bonding aluminum, steel and similar materials in various ways. It is suitable for butt, overlapping and other applications. The composition is distinguished by the highest strength – the resistance to stretching after drying is up to 26 N per mm2, and the operating temperature range is from -50 to 130 degrees, it can withstand short-term heating up to 180 degrees.

Due to the fast polymerization, with the correct use of the activator, the tempering strength is achieved within 5 minutes after application. The layer thickness can be up to 0.4 mm for one-sided application of the activator and up to 0.8 mm for double-sided application.

The adhesive can be used to securely bond materials with low surface adhesion. For example, they can attach glass to metal. The compound can also be used for bonding plastic, ceramic, etc.

Advantages

  • Suitable for creating a thick glue line up to 0.8 mm with double-sided application of the activator;
  • Suitable for smooth surfaces;
  • It can be used for gluing metal in a joint.

disadvantages

  • Careful application is required as this is a two-component metal adhesive;
  • 100% strength is achieved within 24 hours after application, but tempering stability occurs after 5 minutes;
  • The activator is very liquid and can spread.

Epoxy glue EpoximaxX 1.2 kg

Rating: 4.7

EPOXY ADHESIVE EPOXIMAXX 1.2 KG.jpg

Why it is: Low price – one of the cheapest adhesives for metal in the ranking.

EpoximaxX is an improved formulation of the classic EDP based on epoxy resins. Thanks to this, it was possible to reduce the time during which the composition hardens to only 3 hours. In addition, some other performance properties of this metal glue have also improved.

Thus, the heat resistance of the joint increased to 120 degrees. It can be used to connect objects heated during operation. It is also resistant to moisture.

The consistency of this glue for metal is liquid. This makes it suitable for brush application. It is intended to be used with an activator. It is recommended to use this material for overlapping parts, then high tensile strength, shear strength and other mechanical effects will be achieved. So, tensile strength is 60-80 MPa, depending on the materials on which it is applied.

Advantages

  • Low price;
  • Convenient when joining with an overlap, as it is easily applied with a brush;
  • High tensile strength up to 80 MPa.

disadvantages

  • Poorly suitable for butt joint;
  • Fluidity, which is important to consider when working with some details (for example, small ones);
  • Relatively long curing time on vacation.

Special glue Poxipol 'Cold welding' (gray)

Rating: 4.6

ADHESIVE SPECIAL POXIPOL COLD WELDING (GRAY) .jpg

Why it is: Short curing time, low price.

Poxipol's two-component epoxy metal adhesive cold weld has an extremely fast curing time. The necessary and sufficient hardness occurs within 10 minutes after application! And after an hour, it becomes so strong that the parts connected by it can be processed – drilled, sawed, cut, etc. However, it is worth considering that – like other epoxy-based adhesives – it takes about a day to fully cure.

The adhesive is characterized by increased resistance to aggressive external influences. It does not degrade on contact with moisture, direct sunlight, extremely high or low temperatures. Also, this glue is characterized by increased adhesion to most surfaces. The tightness and reliability of the 'Cold Weld' makes it suitable even for repairing water or gas lines.

The gray color makes it invisible on the metal surface.

Advantages

  • Fast hardening – 10 minutes is enough for tearing off, an hour is enough for mechanical stress;
  • Stability when exposed to an aggressive environment;
  • Very low price, one of the cheapest adhesives for metal in the ranking.

disadvantages

  • Full polymerization occurs one day after application;
  • Poorly suitable for butt joint;
  • Poor for small, inconspicuous seams, forms a thick layer between overlapping parts.

Super-glue universal Super Bison Super Glue Gel, 3 g

Rating: 4.3

SUPER-GLUE UNIVERSAL SUPER BISON SUPER GLUE GEL 3 G.jpg

Why it is: One of the strongest all-round super adhesives.

Universal superglue Bison Super Glue Gel is characterized by high strength and reliability. It is suitable for small household repairs of a wide variety of items, including those made of metal alloys. The special gel texture prevents leakage and spreading, making it much easier and safer to hold different parts together.

It is worth noting that this material takes a little longer to cure than conventional superglue – sufficient tear-off strength is achieved in 1-2 minutes. But it also reduces the risk of errors and increases safety in use, as well as simplifies overlapping joints – by moving the fastened elements, you can achieve an even distribution of the composition over their surface to increase reliability.

The material quickly and reliably fills pores and microcracks on the surface. This achieves increased durability.

Advantages

  • The thick composition simplifies application and protects from spreading;
  • Excellent filling ability;
  • Wide operating temperature range.

disadvantages

  • Small volume, only 3 grams, suitable only for small household repairs;
  • Relatively low resistance to aggressive chemical attack;
  • Comparative high cost.


Attention! This rating is subjective and does not constitute an advertisement and does not serve as a purchase guide. Before buying, you need to consult with a specialist.

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