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.
If a sample has not melted after two minutes, record it as âdid not meltâ. Note: The average temperature for a candle flame is approximately 1,000 Â°C. However, the exact temperature of the heat when it reaches your chemical will vary by altitude, room temperature, wick length, etc.