Glossary for Seals, Gaskets, O-Rings, Orings, Rubber.
This is perhaps the most comprehensive glossary of seal, gasket, packing and molded rubber parts terms available on the internet.
Simply click any letter below to search through the glossary.
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
For more information visit: www.sealsfast.com
U-Cup - a type of seal used in a hydraulic or pneumatic cylinder. It's cross section is U-shaped to allow oil to energize the seal body to properly block oils and seal correctly.
U-cups - A "U" shape cup sealing ring designed to seal in one direction along a shaft or rod in a hydraulic or pneumatic cylinder.
Undercure - Degree of cure less titan optimum. May be evidenced by tackiness, loginess (lack of snap or resilience), or inferior physical properties.
Ultimate Elongation - The maxi- mum elongation prior to rupture.
Undercure - State of vulcanization less than optimum. It may be evidenced by tackiness or inferior physical properties.
U-Packings - A "U" shape cup sealing ring designed to seal in one direction along a shaft or rod in a hydraulic or pneumatic cylinder.