حلقات O من السيليكون | AS568-436 | داش 436 | متوافق مع FDA | صلابة 70 | أحمر (14 / عبوة)

The 70 durometer feels just right for my hydraulic seal replacement, and the red color makes them easy to spot during assembly. I’ve had no leaks since installing these, which is a huge relief after struggling with cheaper alternatives.

Finally, a set of o-rings that actually handle the 400+ degree steam cycles in our lab without crumbling. The red silicone material is noticeably more pliable than standard black ones I've tried, and the package of 14 was just enough for a full rebuild of our manifold. They seated perfectly with no

Just replaced some old seals in a hot water valve with these red silicone o-rings, and the 70 durometer feels just right for a tight seal. They slipped on easily and should handle the temperature swings perfectly.