Check this site out for all you want to know about o ring lubricants &
types:
http://www.efunda.com/designstandard...icone%20Grease

Larry

Richard J Kinch wrote:
: werwer writes:
:
: : Hardware store said use plumbers grease on these rings. Won't
: : grease cause the "rubber" to deteriorate?
:
: Most plumbing O-rings are nitrile rubber, for which petroleum grease
: is fine.