Ib qho khoom siv insulating ua los ntawm cov ntawv cable ua lub substrate thiab tshwj xeeb hloov kho epoxy resin coated rau ntawm daim ntawv cable.Lub kauj muaj lub peev xwm zoo heev los tiv thaiv axial luv-circuit stress;txhim kho cov perma nent cuam tshuam tsis kam ntawm cov kauj tiv thaiv tshav kub thiab quab yuam yog qhov zoo rau lub neej thiab kev ntseeg siab ntawm trans qub.