Buna O Rings Temperature Rating

O ring material quick reference guide rubber sealing materials.

Buna o rings temperature rating.

Nitrile 70 durometer o ring low temperature n0103 70 product series filter. Filter by clear all no filters selected. Oil resistant clean room buna n o rings. Buna buna n buna 70 8707.

1 to 249 f. These buna n o rings are made of fda listed material for use with food and beverage. Viton seals hold indefinitely at temperatures up to 400 f and can last up to 48 hours at temperatures up to 600 f. Parker s nitrile rubber nbr o rings are compatible with oils and gases.

Also notice that silicone has high rubber temperature resistance and also great low rubber temperature resistance. As a sealing option the crucial difference between buna and viton is the temperature range the materials function in. 250 to 499 f. N507 buna buna n buna 90.

Maximum temperature 249 to 0 f. O ring material family chemical compatibility temperature resistance and other properties all factor in to o ring material selection for an application. Material certification with shelf life cure date and. Low temperature 30 f minimum operating temperature.

Depending on the grade the working temperature range is considered to be 26 c to 205 230 c 15 f to 400 440 f. 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. 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. But for short working periods it will take even higher temperatures.

Filter by clear all no filters selected. O ring temperature ranges by o ring compound temperature guidelines for o rings and o ring compounds. 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. Get your parker account today.

Viton is the choice over buna for high temperature applications.