Compound 3405 is a 40 durometer black colored general purpose Buna N. It exhibits good resistance to compression set, petroleum - based oils and aliphatic fuels. This compound will remain non - brittle at low temperatures. This compound will meet or exceed the specifications listed and has the following physical properties: ASTM D2000 2 BG 410 B14 B34 EA14 EF11 EO34 F17; 5 BG 410 A14 B14 EO34 Information provided by Pressure Seals Inc. |