حلقات O-Ring من HNBR مقاس 0.21 بوصة CS × 2.35 بوصة ID | AS568-332 | داش 332 | صلابة 90 (10/عبوة)

I needed a 90-durometer o-ring for a hydraulic repair and these fit the AS568-332 spec perfectly. The HNBR material feels tough and the rings seated well in the groove without any twisting.

Finally some HNBR rings in this unusual size that actually seal my hydraulic fitting without deforming. The 90 durometer feels much stiffer than the cheap ones I've tried, and so far no leaks after a week of use.

Finally found a seal that holds up against the heat cycling in my hydraulic press without getting brittle. The 90-durometer HNBR feels noticeably stiffer than standard nitrile, and it seated perfectly in the groove.