Tubular Heaters Heating Element Terminal Plastic Plugs Cups

Plastic Stoppers for Thermal Pin The stoppers are using for manufacturing of tubular heating elements .Before filling , plastic stoppers are mounted to the thermal pins. Resistance powder (MgO) , when the pipes filling , prevents the loss of the end of the pipe.Plastic stoppers of sizes , the diameter of the pipe to be used for filling and  diameter of used thermal pins . These stoppers are removed after the assembly process. Instead of porcelain or fireproof products are assembled.