High density MgO heating element cartridge heater with screw Cartridge heater is a piece of equipment, made of MgO powder or MgO tube, ceramic cap, resistance wire(NiCr2080),High temperature leads, seamless stainless steel sheath(304,321,316,800,840). usually in tube form, that is used in heating applications by way of insertion into metal blocks via a series of drilled holes. Cartridge heaters are manufactured in two basic forms - high density and low density.High density cartridge heaters are used to heat plastic injection moulds, dies, platens and so forth, whereas low density cartridge heaters are more suitable for packing machinery, heat sealing, labelling machines and hot stamping applications. Please note that SZXSF manufacture to customer specification. There are many lead options available, including Glass Fibre Leads, Silicon Rubber Leads, PTFE Leads, Ceramic Beaded Leads, Braided Leads and Conduits. Please advise us of the type of leads preferred. If you would like some assistance or advise on the correct lead to use, please do not hesitate to ask. Please note that SZXSF manufacture to customer specification. There are many lead options available, including Glass Fibre Leads, Silicon Rubber Leads, PTFE Leads, Ceramic Beaded Leads, Braided Leads and Conduits. Please advise us of the type of leads preferred. If you would like some assistance or advise on the correct lead to use, please do not hesitate to ask.When ordering Cartridge Heaters, please specify the following information : Cartridge heater with screw Terminal type:Terminal A :Wire is 3122 material with UL approve , core of cable is copper, temperature resistance is 200 degree centigrade Terminal B: Wire is heat-resistant NTS from Japan, temperature resistance is 500 degree centigrade . pure nickel of core of cable.Cartridge heater with screw DrawingCartridge heater with screw packingCartridge heater with screw CertificationAbout USContact us