حلقات O من HNBR | CS 0.103" × ID 0.237" | AS568-108 | داش 108 | صلابة 80 (200 / عبوة)

The cross-section on these 108s is noticeably precise—they seated perfectly in the groove without any extra effort. After a day cycling between hot oil and cold water, no leaks at all.

The temp range on these is what sold me—I needed something that could handle both deep cold and heat without getting brittle, and these are holding up perfectly so far. The 80 durometer feels firm enough for a snug seal, and getting 200 in a pack means I won't be scrambling for spares mid-job.

The 80-durometer HNBR material feels properly stiff and dense, exactly what I need for a high-temp sealing application. I've been running these at 280°F for a few weeks now and they still hold their shape with zero leaking. Having the full 200-count pack means I don't have to worry about running out