O Ring Materials

Below is a summary of the different commonly used o ring materials and types.
O ring materials. Silicone and kalrez o ring materials are also widely used especially in high temperature applications. Bs o rings are defined by a standard reference. Each material page has a table with the available datasheets in pdf. Buna nitrile buna is the most widely used o ring elastomer compound.
O ring material family chemical compatibility temperature resistance and other properties all factor in to o ring material selection for an application. Typical part number for a metric o ring id x cs material shore hardness 2x1n70 defines this o ring as 2mm id with 1mm cross section made from nitrile rubber which is 70sh. Metric o rings are usually defined by the internal dimension x the cross section. Safety datasheets are available here.
O ring materials and types. We offer o ring materials in custom and industry standard sizes. Fkm also known as viton a registered trademark name of the chemours company is fluorocarbon a brand of synthetic rubber and fluoropolymer elastomer. Some of the common types of o ring materials include ptfe nitrile buna neoprene epdm rubber and fluorocarbon viton.
The information below along with consultation with the resources.