Sponge Rubber Gaskets Dealers in Kolkata

• Moulded: Up to 1000 mm Max.
• Extruded: 75 mm

Sponge Gaskets are usually used to fill the space between two or more highly irregular mating surfaces, generally to prevent leakage from or into the joined objects while under compression. We manufacture over 500 different types of Sponge Rubber Gaskets. We can also manufacture sponge gaskets as per our customer sizesdrawings and customized technical requirements. Sponge rubber, also called "expanded" or "cellular" rubber, is manufactured by including a gas-forming ingredient (blowing agent) in the rubber formulation. As the rubber vulcanises, it reaches a temperature at which the blowing agent decomposes and gas bubbles form, creating individual cell structures in the rubber. This is followed by a curing until vulcanization is complete. The vulcanization process preserves the cell structure formed by the gas in the interior of the component. This makes the final gasket softer, easier to compress and lighter in weight. Hence sponge gaskets require much lesser force to compress as compared to solid rubber gaskets.

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