Shaft seals sealing part is mostly made of rubber. The rigid not sealing part of the shaft seal is made of metal. Shaft seal is mostly applied where there is a need to avoid leakage of liquids, lubricants and other chemicals, or to separate, two different environments on the shaft. Shaft seals are used in automotive, chemical, food and many other industries. The most commonly used materials for the sealing lip of the shaft seals: NBR - Nitrile Butadiene Rubber, MVQ - Silicone, FPM - Viton, PTFE - Teflon.