Industrial Adhesives
Adhesives
Monolith is a range of high quality adhesives used in a wide variety of industrial and domestic applications. They are effective in bonding a wide range of materials including metals, plastics and laminates and are easy to use. Monolith adhesives are available in a variety of formulations, including single component and two component, to achieve permanent bonds between different materials.
Bonding as a technological process
Bonding is a complete process in which pre-treatment (cleaning and surface activation) is one of the most important steps. Bonding is not only joining but also sealing.
Bonding involves the joining of various dissimilar materials, such as metal-glass, metal-rubber, plastic-metal, the joining of which poses problems due to their different physical and chemical properties.
Adhesives
What do we get from bonding?
Bonding is the use of an adhesive to create a material bond between two or more assembly parts. In addition to standard bonding applications, hybrid processes are becoming increasingly important, where the adhesive is combined with another function, such as sealing or heat dissipation. Bonded joints also often have ancillary functions such as sealing, fastening or securing. They are also used in joints shared with other joining techniques such as welding or riveting. Traditional joining methods, such as welding or anchoring, are gradually being replaced in industrial applications by efficient adhesive bonding processes. These processes offer a number of benefits, such as weight reduction or simplified part handling.
In many cases, the use of metal adhesives can replace traditional forms of metal joining, such as welding, riveting or bolting. In contrast, the use of adhesive is more convenient, less labour and time consuming, and cheaper. So, before deciding on traditional methods, consider whether the use of metal adhesive would be a better solution.
Traditional joining methods such as welding, riveting or anchoring are gradually being replaced in industrial applications by efficient bonding processes. These processes offer a number of benefits, such as weight reduction or simplified part handling.
The chemical bonding of plastics and metals has a number of advantages over other joining methods:
- Even load distribution,
- No damage to the materials
- No deformation of the parts being joined,
- the possibility of joining different combinations of materials
- Simultaneous sealing of the joint,
- Use of fewer components.
Adhesives Division
We divide adhesives by function into
- Structural, transferring loads that occur in a material system. Among these adhesives we distinguish
- methacrylic, acrylic
- epoxy
- Two-part polyurethanes
- For small surfaces where larger surfaces may present difficulties in curing the adhesive. These adhesives include
- Cyanoacrylates
- Anaerobic
- UV adhesives, which react to an external factor such as ultraviolet radiation
- Large area adhesives, which are suitable for use over large areas compared to the previous group of adhesives. Here we have the following adhesives
- Contact, solvent based
- Polyurethane, two-part adhesives that are chemically cured so that the product cures well within the joint.
In addition to adhesives, we also offer sealants with a bonding function. These include silanes (MS polymers), silicones and polyurethanes. Butyl tapes in ready-to-use form are also available.
Flexible bonding to metals can be achieved using silicone adhesives, MS polymers and flexible polyurethanes. Silicone adhesives are relatively chemically resistant and flexible, but do not give high bond strength. Some have very good temperature resistance. Polyurethanes are relatively inexpensive, but are not UV resistant and cannot withstand high temperatures. MS polymers can give higher strength and are weather resistant.
Surface treatment
When it comes to bonding metals, however, we have to take into account the individual properties of the materials. For example, stainless steel is very difficult to bond, whereas aluminium is much easier. Proper surface preparation is also very important. The surface must be clean, i.e. free of deposits, grease and dirt. It is advisable to lightly sand the surface with sandpaper to improve adhesion.
In the case of plastics, technological requirements (e.g. pre-treatment of the surface) and the time frame for applying the adhesive must also be met. The surface must be clean, i.e. free of deposits, grease and dirt.
For cleaning we recommend UL Cleaner. Isopropanol or acetone can also be used.
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605312850
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601536440
