How to pronounce “uncured” in English

In fact, we're going to test out unprocessed rubber against rubber processed in this way.- Okay, so this is uncured rubber and I'm gonna see how far I can pull it.Uncured rubber is very soft and stretches really far before easily breaking.

Now, yeah, now it's like wicked hard, yeah.Now at 393 kilopascals, the uncured rubber broke after extending just under 900% of its original length.At the same stress, the cured rubber had only stretched around 5%.