Signs and Symptoms. Because the signs of AS can be similar to those of other behavioral problems, it's best to let a doctor or other health professional evaluate a child's symptoms. Many kids are diagnosed with attention deficit hyperactivity disorder (ADHD) before a diagnosis of AS is made later.
Rubber begins to melt at approximately 180 degrees Celsius. At low temperatures, around 5 C to 6 C, there is a risk that rubber hardens because of crystallization. The optimum temperature for rubber is 20 C.
By comparison, the rubber koozie was at 50 degrees and the control was already up to 63.2 degrees. That's 11.5 degrees and 24.7 degrees warmer than the Yeti, respectively. And no, the Colster didn't sweat at all (though neither did the regular koozie). By the end of the two hours the results were even more dramatic.