Serving the Pocono and Lehigh Valley(Carbon, Lehigh, Northampton, Monroe, Pike and Wayne Counties), PA community as well as both Warren and Sussex Counties of New Jersey
I believe you should use silicone based lubricants on orings. The solvents in wd400 and others do swell most rubber types then drys them out, break them down. I guess different material types may be resistant.
-- Edited by Maverick Contracting on Friday 26th of December 2014 09:03:01 AM