Basic knowledge of Gasket. Index:- Basic Definition of Gasket. Purpose of Gasket Used. Types of Gasket. Spiral wound Gasket Kammprofile Gasket Metallic - Ring Gasket or RTJ Gasket Application of Gasket What is common Gasket Materials ASME Code of Gasket. Definition Of Gaskets. A gasket is a common term used to describe any seal or grommet that holds two things together. You can make gaskets from rubber, plastic, metal, and other materials. A gasket is mechanical seal that fills the space between two objectives, g enerally to prevent leakage between the two objectives while under compression. A gasket is a malleable material, which can be either soft or hard,t hat is inserted b etween two parts to prevent leakage between that joint. Pressure is applied by bolting or using a clamp to compress the gasket firmly in place. Gaskets are made from all different types of materials, depending on the temperature, pressure or fluid characteristics of the p...