Hot metal adhesives can include epoxy adhesives and polyurethane adhesives. Sealants, thermoset adhesives UV curing adhesives silicon adhesives acrylic adhesives and other chemical adhesives are also available. These are the main components of the different types of adhesives used in industries to bond metal together. Names not only describe the chemical composition of various adhesives but also the adhesion properties. A specific type of adhesive is used depending on what type of bond is desired and the metals being bonded.
Acrylic adhesives are well-known for their exceptional environmental resistance. They can withstand extreme weather conditions like rain, snow, and frost. Acrylic adhesives are also faster than other resin-adhesives and can be used for quick jobs. Super glue, also known as Cyanoacrylates, is an acrylic adhesive that sets instantly upon contact. This type of adhesive uses surface moisture. The best adhesives for bonding metals that will be exposed to high temperatures are Phenolic, Melamine and Urea formaldehyde. These thermosetting bonds are strong and can withstand high heat for long periods. This adhesive is popular for bonding industrial parts because they are frequently exposed to high heat.
Polyurethane adhesives provide a strong bond but also a lot of flexibility. These industrial metal adhesives are also resistant to impact and can pass durability tests. Sealants are also available in rubber and silicone adhesives. These rubber sealants offer the greatest flexibility. Silicone-based adhesives or sealants are stronger and more durable. They also offer high resistance to high temperatures.
All of the adhesives mentioned above are defined by their chemical makeup. However, there are other adhesives that can be defined by their adhesion characteristics. Hot metal adhesives include pressure sensitive and contact adhesives as well as thermoset and UV curing adhesives. You can soften hot metal adhesives by heating them and then cooling off to harden again. This allows you to reposition metal parts in the event of a mistake or for precise measurements. Thermoset adhesives can be set in place using heat, or a combination of pressure and head. The UV curing adhesives cure using ultraviolet radiation or other forms of radiation. They provide a permanent bond that doesn’t require heat.
There are many industrial metal adhesives available. It is up to you to determine what your job is and what requirements the bonds must meet. There is an adhesive that can work with almost any type of adhesive, regardless of whether they require flexibility or extreme heat tolerance.