Jul 8, 2005 #1 Andy22 Mechanical Jul 15, 2003 19 I have a drawing that specifies 1/8" thick C.I.R. for a flange gasket material. I suspect that it is actually natural rubber but what does C.I.R. stand for?
I have a drawing that specifies 1/8" thick C.I.R. for a flange gasket material. I suspect that it is actually natural rubber but what does C.I.R. stand for?
Jul 12, 2005 #2 berti Chemical Feb 28, 2003 36 Hi andy22, only a guess. If you think it it natural rubber actually then C I R could -could !!- mean cis isoprene rubber which is the synthetic twin of NR. HTH Berti Upvote 0 Downvote
Hi andy22, only a guess. If you think it it natural rubber actually then C I R could -could !!- mean cis isoprene rubber which is the synthetic twin of NR. HTH Berti
Jul 27, 2005 #3 aholloway Materials Jul 27, 2005 5 Per ASTM D1418 (Vol 9.0) CIIR is chloro-isobutene-isoprene (chlorobutyl). Maybe someone left out the second "I"? Upvote 0 Downvote
Per ASTM D1418 (Vol 9.0) CIIR is chloro-isobutene-isoprene (chlorobutyl). Maybe someone left out the second "I"?
