View Single Post
  #28  
Old 11-05-13, 08:48
hrpearce's Avatar
hrpearce hrpearce is offline
WO8 C15A 142736
 
Join Date: May 2007
Location: Batlow Road near the Cow & Calf
Posts: 1,958
Default

Quote:
Originally Posted by Paul Dutton View Post
Rubber is measured in SHORE ratings. Standard O rings are 70 Shore and harder ones are 90 shore. 60 shore would be very soft, too soft in my opinion! Would 90 shore be too hard tho and cause premature breakup? Im a hydraulics engineer so I only understand seals...!!!
Paul it all depends on what scale you are using, there are several these are the three most commonly used.
Attached Thumbnails
P5110590 (Small).JPG  
__________________
Robert Pearce.
Reply With Quote