A: Vocal problems, like polyps, are not restricted to singers. While singers require peak performance of their voice, other voice professionals, such as teachers, lawyers, clergy, salespeople and receptionists, are also at higher risk for many vocal cord problems.
The permissible operating temperature range of nitrile rubber is â40 to +100 Â°C (â40 to +210 Â°F). For brief periods, temperatures of up to 120 Â°C (250 Â°F) can be tolerated. SKF also offers a special nitrile rubber compound with a temperature range between â55 and +110 Â°C (â65 and +230 Â°F).
Two common surface temperature limits are 65 Â°C for metal (T ME) and 85 Â°C for plastics (T ME) during the. normal operation of the product. The temperature limits increase to 105 Â°C (TME) during an abnormal operation. test condition. Surface temperature limits are specified in the standards.