DC volt thick polyester film etched heater are transparent film heater.The layer are two PET film.The heating element are etched foil.The thickness is about 0.3mm.Features & Specifications Standard thickness0.3mmMin. size10x20mmMax. size200x500mmShapeMany shape can be customizedMin. Operation temperature-40℃(-104℃)Max. Operation temperature80℃(176℃)Heating elementEtched foilVoltage range1.5 v,3.7 v,5 v,7.4 v,9 v,12 v,24 v,36 v etcWattage density0.03 w/cm² to 0.1 w/cm²Acid & Alkali ResistanceStrongHIPOT1500 v/1s,leakage current less than 5 mACertificateRoHS,CETypical Applications •Heating shoes and insoles •Beauty EquipmentMounting Methods •Pressure Sensitive Adhesive(3M9448 etc) •Mechanical fasteners All of our heaters can be customized,so please tell me your requirement.We will customize for you.Welcome to visit our factory.