... Certificate:CE and ROHS 3.Material:SS304,SS316,SS321 etc Resistance heater cartridge 1.Tube diameter:3mm-30mm2.Certificate:CE ... ,SS321 etc4.Quality warranty : two years Features:Nickel chrome resistance wireAvailable in SS304 and SS316Maximum temperature 800 degreesApplications:Plastic ProcessingPackaging ... and voltageType of terminal Drawing of special type configuration Resistance heater cartridge