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).
warranty and apply to temperature ranges 0 to 55 Â°C, unless otherwise noted. 95th percentile values indicate the breadth of the population (approx. 2Ï) of. performance tolerances expected to be met in 95 percent of the cases with a 95. percent confidence, for any ambient temperature in the range of 20 to 30 Â°C.