Isikhumba sokwenziwa sePVC sisixhobo esenziwe ngeendlela ezahlukeneyo esisetyenziswa kakhulu kwimithwalo, iifenitshala, izihlalo zeemoto kunye nezihlangu. Sixatyiswe ngenxa yeendleko zaso ezifanelekileyo, ubume obufana nobesikhumba, uyilo olwahlukeneyo, ukulungiswa okulula (ukungangeni manzi, ukumelana namabala, ukucoca) kunye nokumelana nokuguguleka, siyindlela ethandwayo yesikhumba sokwenyani kwiimpahla zabathengi, iimoto kunye nemizi-mveliso yefenitshala.
Nangona kunjalo, iingxaki zokusebenza kwexesha elide ziyaqhubeka: umzekelo, izihlalo zeemoto ezivezwe elangeni zinokuqhekeka kwaye ziphele, ngelixa imiphetho yemithwalo inokuguquka ibe buthathaka phantsi kokutshintsha kobushushu. La manqaku entlungu athetha ukuba umgangatho wayo kunye nobomi benkonzo zixhomekeke kakhulu kwinkxaso yemveliso—ingakumbi iziqinisi zePVC. Phakathi kweentlobo eziphambili zesikhumba sokwenziwa (iPVC, iPU, imicrofiber), isikhumba sokwenziwa sePVC sesona sisetyenziswa kakhulu ngenxa yexabiso laso eliphantsi kunye nokuqina kokungena kwamanzi, okwenza ukuba sifaneleke kwiimveliso zobunzima obuphakathi ukuya kobuphantsi. Kubavelisi abagxile kumgangatho wesikhumba sokwenziwa sePVC, amaqabane athembekileyo afana neTopJoy, egxile kwizisombululo zePVC zokuqinisa, abalulekile ekusombululeni imingeni yokusebenza.
Iinkqubo zayo eziphambili zemveliso—ukugquma, ukugquma kunye nokugquma—zenzelwe ukusetyenziswa ngeendlela ezahlukeneyo: ukugquma ii-linings ezibhityileyo nezigudileyo; ukugquma ii-calender zefenitshala efanayo, ethe tyaba kunye nezixhobo zeemoto; ukugquma ii-foam zesikhumba esikhaphukhaphu, esithambileyo kunye neenkozo ezilinganisiweyo. Umngeni ophambili kwezi nkqubo bubushushu obuphezulu bokusebenza (180-220℃), obusongela i-resin ye-PVC kwaye bubangela iingxaki zomgangatho wemveliso ngaphandle kokhuseleko olufanelekileyo.
I-resin ye-PVC ibuthathaka kakhulu kubushushu; amaqondo obushushu aphezulu ngexesha lokuvelisa abangela ukuwohloka ngokulula, akhuphe i-hydrogen chloride eyingozi. Oku kukhokelela kwiziphene ezifana nokutshintsha kombala, ubume obungalinganiyo kunye nokuncipha kwamandla okuxinana, nto leyo enyusa amazinga enkunkuma kunye neendleko zokuvelisa amashishini.
Ngaphandle kwemingeni yemveliso, ulusu olungelwenziweyo lwePVC lukwajongene nemiba yokwaluphala ngexesha lokusetyenziswa. Ukuvezwa lilanga, ukufuma kunye notshintsho lobushushu kunokukhokelela ekuqineni, ekuqhekekeni nasekubonakaleni okufipheleyo, okuchaphazela ngakumbi ukusetyenziswa kwemveliso kunye nobomi bayo.
Iziqinisi ze-PVC zeTopJoyZijongana ngempumelelo nale micimbi yemveliso nokusetyenziswa. Zifunxa i-hydrogen chloride eyingozi ekhutshwa ngexesha lokuwohloka kwe-PVC ukuqinisekisa imveliso egudileyo kunye nokunciphisa amazinga eziphene, ngelixa zicothisa ukuguga kwendalo. Oku kwandisa ubomi benkonzo yemveliso kwaye kugcina ukusebenza okuzinzileyo, okubaluleke kakhulu kubavelisi ukuhlangabezana neemfuno zemarike kunye nokwakha ukuthembana kwabathengi. Ngamava obuchwephesha ekukhonzeni ishishini lesikhumba esenziweyo se-PVC, i-TopJoy inikezela ngezisombululo ezijolise ekuzinziseni ezihambelana neemfuno ezahlukeneyo zemveliso zeli candelo.
| IMVELISO | IIFOM | IBANGA | IZICELO | AMAGQABANTSHINTSHI |
| Ca Zn | Ulwelo | CH-401 | I-E-PVC | iinjongo jikelele |
| Ca Zn | Ulwelo | CH-431 | I-E-PVC | Ivumba Eliphantsi |
| Ca Zn | Umgubo | TP-9410 | I-E-PVC | Umaleko weFoam |
| Ca Zn | Umgubo | TP-9420 | I-S-PVC | iinjongo jikelele |
| I-Ba Zn | Ulwelo | CH-601 | I-E-PVC | iinjongo jikelele |
| I-Ba Zn | Ulwelo | CH-605 | I-E-PVC kunye ne-S-PVC | Ukwaleka okuphezulu, Uzinzo oluhle kakhulu lobushushu kunye nokubamba umbala |
| I-Ba Cd Zn | Ulwelo | CH-301 | I-E-PVC kunye ne-S-PVC | iinjongo jikelele |
| I-Ba Cd Zn | Ulwelo | CH-302 | I-E-PVC kunye ne-S-PVC | Ukwenza okuphezulu |
| K Zn | Ulwelo | YA-230 | I-E-PVC | Umlinganiselo we-Kicker, i-general foaming ratio |
| K Zn | Ulwelo | YA-332 | I-E-PVC | I-Kicker, Umlinganiselo ophezulu wokwenza igwebu |