Kwiminyaka yakutshanje, izinto ezininzi ezitsha ziye zavela, ukwenzela ukuba izinto ezinexabiso eliphezulu kwixesha elidlulileyo zitshintshe ngokuthe ngcembe kwixabiso, ngakumbi kwizicathulo kunye nemibhobho.

Kakade ke, ezinye izinto zibonakala zikwimeko entle. Emva kophando, unokuqonda ukuba zeziphi ezinye zezinto.

Ngokomzekelo, izinto ezimbini ze-pvc kunye ne-pu, abantu abaninzi baye bahlala benamathandabuzo, ngoko ke umahluko phakathi kwezinto ze-pvc kunye ne-pu?

Umahluko phakathi kwe-pvc kunye nezixhobo ze-pu

Isikhumba sePU sinzima ngakumbi kunePVC yesikhumba kwinkqubo yokuvelisa. Ngenxa yokuba i-PU isiseko selaphu sisixhobo se-PU se-canvas esinamandla afanelekileyo, ngaphezu kokugqunywa kwilaphu eliphezulu, ilaphu lesiseko lingabandakanywa phakathi ukuze liyenze Imbonakalo ayinakububona ubukho belaphu.

1. Iimpawu ezibonakalayo ze-PU yesikhumba zingcono kune-PVC yesikhumba, ukumelana ne-tortuosity, ukuthamba, amandla aphezulu, kunye nokuphefumula (akukho PVC).

Ipateni yesikhumba yePVC yenziwe ngokucinezela okushushu kweerola zepateni yentsimbi. Ipateni ye-PU yesikhumba ishushu icinezelwe kumphezulu wesikhumba esigqityiweyo kunye nohlobo lwephepha lepateni. Emva kokulinda ukupholisa, isikhumba sephepha sihlukaniswe kwaye siphathwe phezulu.

Ixabiso le-PU lingaphezulu kwe-PVC eliphindwe kabini, kwaye ixabiso le-PU lesikhumba kunye neemfuneko ezithile ezikhethekileyo ngamaxesha angama-2-3 aphezulu kune-PVC yesikhumba.

Ngokuqhelekileyo, iphepha lepateni elifunekayo kwi-PU yesikhumba inokuchithwa kuphela emva kwamaxesha ama-4-5. Ixesha lokusetyenziswa kwepatheni ye-roller lide, ngoko ke ixabiso lesikhumba sePU liphezulu kunelo lesikhumba sePVC.

2. Indlela yokwahlula iPU kunye nePVC ilula.

Ukusuka kwiikona, ilaphu elisisiseko lePU lijiyile kakhulu kunePVC. Kukho kwakhona umahluko kwimvakalelo. Ukuziva kwePU kuthambile. I-PVC ivakala inzima ngakumbi.

Ungasebenzisa umlilo ukutshisa, incasa yePU ilula kakhulu kunePVC.