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An introductory guide to Rubber Bonding Adhesives

An introductory guide to Rubber Bonding Adhesives

Rubber bonding adhesives are a wide range of industrial bonding agents that are suitable for bonding all types of rubbers. Since there are varieties of rubber, each has a specific adhesive that produces the right bond strength when they are used to make products.


Rubber bonding adhesives available in the market

Numerous engineered adhesives are used to bond the various types of existing industrial rubbers. When it comes to industrial bonding rubbers, there is a wide range of options that includes solid, solvent-based, or water-based options. Many engineered rubber bonding adhesives are made to very high-quality specifications. These special types of industrial adhesives have been recognized and used by various industries. Rubber bonding adhesives can be applied when bonding rubber to rubber or rubber to various other substrates.

Best Top Electronics Adhesive Glue Manufacturers In China
Best Top Electronics Adhesive Glue Manufacturers In China

Bonding rubber with adhesives

Rubber is a unique type of material with a flexible surface that makes adhesion very difficult. Rubber adhesion can be very difficult because it comes with lots of factors to be considered. Since there are numerous types of rubber bonding adhesives, it can be very difficult to find the right type of adhesive to bond the rubber. It takes in-depth knowledge to know what type of rubber adhesive to use on a specific type of rubber. Since there is a wide range of adhesives available in the market, it can be overwhelming to choose the right type of rubber bonding agent for specific applications. The first stage of using a rubber bonding adhesive is to know the nature of the rubber you are working with.


Types of rubber

There are two main types of rubber. These are:

  • Natural rubber: This is a waterproof and highly resistant material that is made from latex that is obtained from trees. The rubber can be vulcanized for it to be used for commercial or industrial purposes.
  • Synthetic rubber: These are artificial elastomers that are made by processing chemicals. They are called rubbers because they are elastic. There are numerous types of synthetic rubbers like silicone, butyl, SBR, EPDM, nitrile, and so on.


Industrial application of rubber

Rubber is a useful industrial material that can be applied in numerous industries. Rubber is a versatile material that can be manufactured with various properties. Due to its versatile nature, it can be spongy, foamy, soft, or hard. Rubber as an industrial material can be used in various industries such as:

  • Construction and manufacturing
  • Transportation
  • Medical Industry
  • General consumer products


Rubber bonding adhesives used in the industry

Due to the wide range of rubbers that are used in industrial applications, there are also a corresponding number of rubber bonding adhesives. These include:

Structural acrylic adhesives: Structural acrylic adhesives are used in industrial applications because of their special property of curing slowly. In comparison to other types of rubber bonding agents, they are known to cure very slowly. This is why they can be used easily for accurate spreading and alignment. This is a special type of rubber that helps in bonding very tough rubber. Examples include polyethene, polypropylene, and so on.


Silicone adhesives: these are special rubber bonding glues that are used in various industries. They are very versatile and will bond rubber and various other materials. As industrial adhesives, they can be used to bond rubber. Silicone adhesives are known for their flexible and strong bonds that work with various surfaces. There are numerous silicone adhesives in the market that can be used for rubbers. Silicone adhesives have such properties:

  • It comes with flexible and strong bonds
  • Great for electrical conductivity and insulation
  • They resist moisture, chemical, and temperature.
  • Excellent UV resistance


Cyanocrylate adhesive: This type of adhesive is also known as super glue. It is the most excellent rubber bonding adhesive. On application of a very small quantity, it almost becomes rigid and strong. While most rubbers are joined using cyanoacrylates, other types may fall on joining. If the joining process refuses to work, this may be due to the nature of the rubber. This means that the surface will have to be primed or prepared sufficiently before bonding is done.


Epoxy adhesives: Epoxy adhesives are one of the best glueing options when it comes to bonding different types of rubbers. You can easily use this bonding agent for all the types of rubbers that you have in the market. Due to their versatility, many manufacturing facilities rely on the high strength and durable bonds of this adhesive. If you are considering bonding rubber to other materials, then this is the best option. With an epoxy adhesive, you can easily bond rubber to various substrates like ceramics, glass, metal, plastics, and so on. In addition, it does not crack or shrink on application. Other benefits of this rubber bonding adhesive include:

  • It works to resist impact
  • It resists water and other forms of moisture
  • Curing time for epoxies can be accelerated with heat
  • Comes with an excellent structural strength that helps resist heavy loads
  • Never shrinks or crack when exposed to different temperature ranges.
  • Great for various surfaces


Important tips for bonding rubber

Rubber can be a very difficult material to bond in industrial applications. This is why it is very important to use the right type of adhesive. If you apply the wrong adhesives, this can sufficiently damage the substrates or stop them from sticking together. When it comes to the best rubber bonding adhesives, many production facilities use cyanoacrylates. This adhesive is highly recommended for rubber-to-rubber applications. When bonding rubber, it is important to clean the surfaces properly. This ensures that you get rid of the lubricants and the mould releasers on the surfaces for a great bond.

Best Industrial Epoxy Adhesives Glue And Sealants Manufacturers In USA
Best Industrial Epoxy Adhesives Glue And Sealants Manufacturers In USA

Rubber bonding adhesives: Preparing the rubber substrates

If you are looking to bond rubber to any other substrate, you must prepare the surfaces. This is what you need to do to ensure that the bond is successful. You can begin by degreasing with a solvent which helps to get rid of mould releases, slip additives, and various other lubricants. It is recommended to quickly wipe the surface by using acetone or isopropanol.


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