// //


Do you know what gaskets are? If you know them well and if you don't then this blog will help you to know what gaskets are. Read this blog for best information.

A Gasket is a mechanical seal which fills the space between two surfaces to prevent leaking generally. They are produced by cutting from fine or thin  sheet materials. Some gaskets are completely made up of metal. They are made from a flat and flexible sealing material which seals and does not let your liquid or gas move out. Gaskets are classified into 3 types:

  1. Metallic gaskets: In this the gaskets are made up of one metal or combination of two or three metals.
  2. Non-Metallic gaskets: They are also known as Soft gaskets. In this they are made up of rubber, fiber, polytetrafluoroethylene, graphite etc.
  3. Semi-Metallic gaskets: In this the gaskets are made from the mixing of metallic and non metallic components. For example: metals, rubber, fiber etc.

Whether gaskets are made up of Nitrile, neoprene, Buna, SPR, EPDM, Viton, Alfas etc. they all are known as Rubber gaskets.

Gaskets comes in many designs depending on few factors such as:

  1. Industrial usage
  2. Budget
  3. Chemical contact
  4. Physical parameters etc.

 The designs of gaskets are:

  1. Sheet gaskets: The example of material to make it are mineral, carbon and nitrile synthetic rubber. The applications using gasket sheets are acids, corrosive chemicals, steam or mild causatives. Flexibility and good recovery are the two factors which prevent breakage of a sheet gasket while installation.
  2. Solid material gaskets: The idea behind this is that metals can be used which cannot be punched out but they are cheap to produce. These gaskets are generally of higher quality than sheet gaskets and can deal with much higher temperatures and pressures. Metal choice is very difficult as the best quality of metals are used.
  3. Spiral-wound gaskets: It is a mix of metallic and filler components.It can easily withstand high temperatures and pressures. Spiral wound gaskets are mostly used in pipes, pumps, valves, heat exchangers, chemical attacks, high temperatures, pressures etc.
  4. Double-jacketed gaskets: It is a combination of filler and metallic materials. It is used on boilers and heat exchangers when bolting is available to set the gasket properly. It is a metallic tube with opening and closing of C-shaped with interior space. The material used in making these gaskets are copper, soft steel, nickel copper, stainless steel etc.
  5. Kammprofile gaskets:  These gaskets are the best friend of heat exchangers and custom flanges. They are hard and tough to destroy. They work in high temperatures, high pressures, and can take large bolt loads. The thickness of a kammprofile gasket is 0.5mm to 0.75mm.
  6. Flange gasket: Flange gasket is necessary for a Leak-free flange connection. These gaskets are made to work under extreme temperature and pressure and are available in a wide range of variety. The standard size of a flange gasket is 1/16’ to ⅛’. These gaskets are present in different sizes such as oval, round, octagonal etc.

Gaskets are mainly used in industries which deal in oil and gas, transportation, pulp and paper, electric generation etc. A Seal is a device or substance which is used to join two things and prevents them from coming apart or prevents anything from passing in between them. When a seal breaks, it is better to change the whole bearing rather than just changing the seal.

The six great material used to make gaskets are:

  1. Natural Rubber: Rubber is the best material for making gaskets and has a reason behind it that it is good all around and it should not be used with fuels, oils, solvents etc. It is for sure water resistant and can be used with any type of metal. It has the best qualities such as good shock and vibration resistance qualities.
  2. Silicone Rubber: It has few best properties which make it a best choice for gaskets such as flexibility, water resistant and electrical insulating properties.It gives best performance at high temperatures and pressures and it can remain functional between -60 and more than 400 degrees fahrenheit.
  3. Neoprene Rubber.
  4. Neoprene sponge.
  5. Cork.
  6. Compressed non-asbestos.


If you liked our information and want to know more about spare parts and auto parts then you can check our website (lmc.in) and blogs to grab more good knowledge. Comment down below for queries.


Q1. Gaskets are made of which material?

A1. Gaskets are normally made of thin material such as rubber, paper, metal, cork, fiberglass, polytetrafluoroethylene, plastic polymer etc.

Q2. Why are gaskets mainly made of a material known as ‘Rubber’?

A2. Gaskets are made up of Rubber as it can seal two surfaces together and prevent both from leaking such as liquid and gasses.

Q3. What points make gaskets leak?

A3. Few points to remember which make gaskets leak are:

  1. Constant exposure to high temperatures.
  2. Constant exposure to high pressures.
  3. Vibrations.
  4. Constant flow of hot fluids for a long period of time.

These are the few points which can cause your best gaskets or seals to leak.