Ucingo lwe-TW/THW luqilima okanye oluxineneyo, oluthambileyo olufakwe ubhedu olufakwe kwi-Polyvinylchloride (PVC).
I-TW imele i-thermoplastic, ucingo olungangeni emanzini.
Ucingo lwe-THW lukwayi-thermoplastic, ucingo olumelana namanzi, kodwa luyamelana nobushushu, luchazwa ngu-H egameni.