حلقات O-Ring HNBR 0.103 بوصة CS × 2.236 بوصة ID | AS568-140 | داش 140 | صلابة 80 (35/عبوة)

I was a bit worried about getting the right fit for a high-heat hydraulic application, but these HNBR rings slipped on perfectly and showed no swelling at 250°F. The 80 durometer feels much more durable than the standard Buna-N I've used before, and the clear package labeling made sorting the 35 cou

These fit my pneumatic actuator seals perfectly. The 80 durometer is firm enough for the application, and the service range down to -40°F gives me confidence.

The 80-durometer hardness is spot on for my application—firm enough to hold pressure but still easy to seat in the groove. With the 300°F service rating, I've got confidence these will last where standard nitrile gives up.