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DuPont™Vespel®
Vespel® combines heat-resisting and wear-resisting capabilities that surpass those of flouororesin. Vespel® displaces excellent performance and durability, even under severe conditions that do not permit the use of other resin or metallic materials, such as high PV, very high or low temperatures, no lubrication and vacuums.
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DuPont™Kalrez®
Although conventional fluorine-containing rubber cannot easily maintain its physical characteristics against chemicals such as ethers, amines, ketones, organic solvents, acids, or alkalis, Karlez® exhibits stable physical characteristics with respect to a large majority of these chemicals. In terms of heat resistance, Karlez®, which is a type of rubber, maintains its physical characteristics even at high temperatures up to about 300℃. 0-rings made of Karlez® are used as the main 0-rings in semiconductor equipment.
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