- Elasticity
- The tendency of a material to return to its original shape after deformation.
- Elastomer
- A general term used to describe both natural and synthetic polymers possessing the resilience required to return to approximate original shape after major or minor distortion.
- Elongation
- Generally referred to in terms of tensile (pull apart) testing, elongation is the increase in length of a test specimen, expressed as a percentage of its original (unstretched) length…relative to a given load at the breakpoint.
- Extrusion
- The forced extension of part of the seal into the diametrical clearance gap of the gland, caused by excessive system pressure.
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