Iimethi zesikhumba ezenziweyo zePVC zinokulawula ngempumelelo uthuli kunye nobumdaka kumphezulu weemethi zonyawo, zigcine umoya ongaphakathi emotweni ucocekile kwaye umtsha nangaliphi na ixesha.
Iimethi zesikhumba ze-Bensen ze-PVC zinoqoqosho kwaye izinto zesikhumba kulula kakhulu ukuzicoca kwaye kulula ukuzisusa kunye nokutshintsha.