Buna O Rings Temperature Rating

O ring material family chemical compatibility temperature resistance and other properties all factor in to o ring material selection for an application.

Buna o rings temperature rating.

However before you choose silicone for an o ring seal due to it s o ring temperature range there are also other silicone shortcomings so make sure that it can withstand your particular environment by going to our rubber properties section and rubber chemical resistance chart. O ring material quick reference guide rubber sealing materials. Parker s nitrile rubber nbr o rings are compatible with oils and gases. Buna buna n buna 70 8707.

Depending on the grade the working temperature range is considered to be 26 c to 205 230 c 15 f to 400 440 f. Nitrile 70 durometer o ring low temperature n0103 70 product series filter. Find o ring temperature ranges in the attached o rings temperature guide for o ring compounds and general elastomers including viton fluorosilicone nitrile silicone epdm kalrez neoprene and aflas materials. Viton seals provide an indefinite seal for temperatures up to 400 f and for temperatures up to 600 f they offer an excellent seal for more than 48 hours.

But for short working periods it will take even higher temperatures. As a sealing option the crucial difference between buna and viton is the temperature range the materials function in. Nitrile 90 durometer o ring low temperature mil aero n0507 90 product series filter. Low temperature 30 f minimum operating temperature.

Maximum temperature 249 to 0 f. 250 to 499 f. Filter by clear all no filters selected. Viton seals hold indefinitely at temperatures up to 400 f and can last up to 48 hours at temperatures up to 600 f.

Material certification with shelf life cure date and. Viton is the choice over buna for high temperature applications. Oil resistant clean room buna n o rings. 1 to 249 f.

Get your parker account today. Degrees in fahrenheit f degrees in celsius c polymer type 25 to 450 4 to 232 aflas 75 to 250 59 to 120. While both viton and buna seals both serve as great sealing options at moderate temperatures viton is far superior to buna for high temperature applications. O ring temperature ranges by o ring compound temperature guidelines for o rings and o ring compounds.

Filter by clear all no filters selected.