How many degrees of high temperature resistance PVC hose?

If the material of PVC hose is hard, then the high temperature of 70 degrees Celsius can be tolerated; If the material of PVC hose is soft, then the high temperature of 55 degrees Celsius can be tolerated. It should be noted here that no matter which material the temperature is temporary, because reaching such a high temperature for a long time is easy to lead to the aging and damage of the tube body, which greatly reduces the service life.