Xa iiprofayili ze-PVC ze-foam zaziswa kwi-1970s, zabizwa ngokuba "umthi wexesha elizayo," kwaye ukwakhiwa kweekhemikhali yi-polyvinyl chloride. Ngenxa yokusetyenziswa ngokubanzi kweemveliso eziqinileyo zePVC ezinogwebu eziphantsi, zinokuthatha indawo phantse zonke iimveliso ezenziwe ngamaplanga.
Kwiminyaka yakutshanje, itekhnoloji yabavelisi beprofayili ye-PVC yogwebu nayo ihambele phambili ngokukhawuleza, ivumela iimveliso zogwebu ezomeleleyo ze-PVC ukuba zikhuliswe kumacandelo ezinto zokwakha kunye nokuhombisa, kunye noyilo lwempahla yefanitshala.
Ngokungongeza i-filler eyahlukileyo kwiimveliso ze-foam ze-PVC, iimpawu ezahlukeneyo zinikezelwa kwiimveliso eziqinileyo ze-PVC ze-foam. Yandisa ububanzi bokusetyenziswa kwemveliso kwenye indawo yokusetyenziswa kwezinto ezahlukeneyo zokwakha kunye nezixhobo zokuyila zokuhombisa. Kwangaxeshanye, iimveliso ze-foam ze-PVC zineempawu ezintle zokuhombisa.
Ubungqina bokufuma, anti-corrosion, i-flame retardant, i-non-toxic, kunye ne-PVC engenavumba izinto zeprofayili ye-foam Olu hlobo lwemveliso lunokuphucula ngokufanelekileyo indawo yokuhlala, kunye nenkqubo ye-PVC yamagwebu ngoku ngokuyintloko ukusetyenziswa kwe-PVC eqinile i-foam kunye ne-crust foam board, kunye nezinye izinto ze-PVC ze-foam zokuhombisa iiprofayili, ukwenza isikali seteknoloji yemveliso. Ukusetyenziswa kophando kuya kuxhaphaka ngakumbi kwiinkalo zokwakha, ukupakisha, ifenitshala, kunye nezinye iindawo.
Umphezulu webhodi ye-foam ye-PVC inokutshizwa, enokuthi iphephe ukutshintsha kombala womphezulu kwaye inenzuzo yobulukhuni bokulwa nokuqina komphezulu. Ke kukho indlela yethu eqhelekileyo yokuvelisa, kwintlama yomphezulu kwipleyiti yekristale, ukusetyenzwa ngokubanzi kuya ngokuzenzekelayo kumatshini wokutywina, kwaye umatshini wokutywina ozenzekelayo uya kuchaphazela ulwahlulo lwesakhiwo sohlobo lwe-roller kunye nohlobo lwe-crawler ezimbini, kodwa ukuba awusebenzisi igwebu elingenanto xa kucetyiswa ukuba kusetyenziswe kwaye umphezulu uncamathisele izinto ezinombala ofanayo, thintela ukuncamathelisa iphepha kuphuhliso lombala ocacileyo xa ubonisa umahluko ocacileyo woyilo.
Ixesha lokuposa: Jan-11-2023