◆ PE, PE applicable temperature: - 40 ℃ to 65 ℃ , instantaneous temperature: 80 ℃◆ Applicable temperature of PP and polypropylene: - 30 ℃ to 90 ℃, up to 110 ℃ instantaneously◆ PA, nylon 66 Applicable temperature: - 35 ℃ to 120 ℃ , instantaneous up to 140 ℃◆ Brass, iron screw◆ Applicable voltage range: 250 - 450V