Gaskets are mostly used as an insulator or seal between multiple mating surfaces so as to negate the inefficiencies of the mating surfaces. A good quality gasket being used alongside mating surfaces allow a certain level of cost cutting in the material used for the mating purpose. These gaskets more often than not prevent any form of leakages from the joined objects when they are exposed to high pressure.Talcork is one of the famous and successful gasket manufacturers in India. They produce high quality gasket materials which are generally carved out of best in class cork which in turn is bonded with synthetic rubber. The positive linkages of cork and rubber prevent strong adhesion between the mating surfaces and prevent any form of leakages from the joined surfaces. Given the nature and the demand of these materials, the substance used in the manufacture of the gasket must be elastic in nature (i.e. definitely not brittle) and at the same time have a lot of mechanical strength to overcome and not succumb to any form of pressure. This is where the cork and rubber combination proves to be the winner.The synthetic rubber used is mostly SBR, Nitrile or Neoprene. The substance cork has a natural compressibility which enables it to shrink on high pressure without breaking, and when combined with the strength and robustness of rubber makes the product an extremely viable and a utility product which could negate certain level of inefficiencies of the mating substances. The product also provides a high level of customization which can be leveraged depending on the need and demand of the customer. This customization is done by controlling the percentage of rubber and cork in the mixture. In cases, where in robustness is the primary need, the composition of rubber is on the higher side and similarly, where in compressibility is the need of the customer, the composition of cork increases.The chemical behaviour of the rubberised cork gasket materials are more so decided by the type of synthetic rubber used in the composition. Therefore, it is extremely important to understand the thermal, chemical and mechanical conditions before zeroing on the exact composition of the gasket. A few of the factors which should determine and help in zeroing on the composition are mentioned below:-1. Design of the sealing surface on which the gasket would be applied to2. Operational temperature and pressure that the gasket would be subject to3. Properties of the gasket materials used, and the substance which is to be sealed off.
Source : articlesbase.com
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