... blue, gray,yellowTemperature-60°C~260°C ,up to 300C for short periods Hardness40-90 shore A, tolerance is ± 5 ... shore AFunctionAnti dust and water.Used in automobile PerformanceOzone, High/ Low temperature, Aging and oil resistance, ... UnionSupply Ability&MOQ60000 pcs/ month , 300pcsWe specilized in various rubber bellows for several years with the strength of sound qualtiy,competitve ...