Kalrez O Rings Chemical Compatibility

70 resistance to compression set.

Kalrez o rings chemical compatibility.

Mixtures with two or more different chemical types classes should be reviewed with the kalrez technical group or your authorized kalrez distributor before proceeding. Black or white an ace glass exclusive fluroelastomer compound with tfe additives. O ring compatibility plays a critical role in o ring performance â find the right material for your application and avoid o ring failures. O ring chemical compatibility fetfe fkm ptfe as an internal lubricant temperature range 18 to 204 c durometer.

Chemically induced swelling can cause o rings and sealing components made of other elastomers to extrude out of seal grooves resulting in seal failures. The selection tool rates all kalrez products in each industry in which kalrez is used. The kag can also assist in proper seal design for kalrez products in ten standard o ring groove designs. Elastomer o ring chemical resistance fluid compatibility rating a satisfactory b fair c poor u not suitable chemical kalrez nbr epdm vmq fvmq fkm t abietic acid a acetaldehyde a u abuuu acetamide a 6375 a ababu acetanilide a 6375 u acetic acid glacial a c abucu acetic acid 30 a b aabb acetic anhydride a cb c uub acetoacetic acid a acetone a ua c uuu.

Kalrez o rings from marco rubber are available in a wide variety of dupont perfluoroelastomer compounds including kalrez 4079 kalrez 6375 kalrez 7075 to meet extreme application conditions like high temperature o ring sealing and extreme o ring chemical compatibility. Kalrez 4079 compounds feature low compression set performance o rings. This chemical compatibility listing is based on using our standard compounds dupont kalrez 7075 and 6375 for the vast majority of chemicals and fluids. Application temperatures and pressures can be input for more accurate product selection.

Kalrez parts resist extreme volume swell when exposed to a wide variety of chemicals and solvents including concentrated nitric acid sodium hydroxide ethylene diamine and steam. Chemical resistance and fluid compatibility kalrez perfluoroelastomer parts combine the elastomeric properties of viton fluoroelastomer with the chemical resistance of teflon fluorocarbon resins. Kalrez o rings are engineered for the most demanding application conditions such as high temperature sealing or extreme o ring chemical compatibility. Buna n astm d1418 xnbr.