18 kuNhlolanja 2026 — Ngokuthuthuka okuqhubekayo kwezindinganiso zokonga amandla zasekhaya kanye nokuphishekela kwabathengi izinto zasekhaya ezinekhabhoni ephansi kanye nezingangenisi mvelo, imichilo yokuvala iminyango yesiqandisi, njengezingxenye eziyinhloko zokonga amandla zemishini yesiqandisi, isiqede ukuthuthukiswa kwezinto ezibonakalayo kanye nobuchwepheshe. Isizukulwane esisha semichilo yokuvala ifriji ye-TPE elastic thermoplastic siye sathatha indawo yemichilo yokuvala yendabuko ye-PVC, saba ukucushwa okujwayelekile kweziqandisi ezintsha zasekhaya nezentengiselwano, okuthuthukisa ngempumelelo ukusebenza kahle kwesiqandisi kanye nempilo yesevisi yemishini yesiqandisi.
Imichilo yokuvala iminyango yesiqandisi iyizinto ezibalulekile ukuqinisekisa ukuthi imishini yokuqandisa ayingeni moya. Ukuvuza komoya kwezikhala zeminyango kuyimbangela eyinhloko yokwanda kwemvamisa yokusebenza kwe-compressor, ukusetshenziswa kwamandla aphezulu kanye nesikhathi esifushane sokugcina ukudla okusha. Imichilo yokuvala ifriji ye-PVC yendabuko inezinkinga ezingokwemvelo ezifana nokumelana nokushisa okuphansi, ukuqina nokuguga kalula, kanye nokuqina okungekuhle. Ngemva konyaka owodwa kuya kwemibili yokusetshenziswa, ithambekele ekugobekeni kwegebe, ukugoba komphetho kanye nokunamathela okungekuhle, okuholela ekuvuzeni komoya obandayo. Idatha ikhombisa ukuthi amafriji anemichilo yokuvala i-PVC endala azosebenzisa amandla awo nsuku zonke ngo-20% kuya ku-30%, futhi umphumela wokugcina ukudla okusha uzoncishiswa kakhulu.
I-TPE refrigerant sealing strip esanda kuthuthukiswa ixazulula ngokuphelele izinhlungu zemikhiqizo ye-PVC yendabuko. Le nto entsha inokumelana nokushisa okuphansi kakhulu, igcina isimo esithambile nesinwebekayo isikhathi eside endaweni ephansi yokushisa kusukela ku-20°C kuya ku-0°C, ngaphandle kokuqina noma ukuqhekeka. Ukuqina kwayo nokusebenza kwayo kokufaka kungcono kakhulu kunezinto ze-PVC, ezingalingana eduze nohlaka lomnyango wesiqandisi ukuze kufezwe ukuvalwa okungenasikhala. Ngokuphathelene nokusebenza kokuvikela imvelo, izinto ze-TPE azinabo ubuthi, azinaphunga, ziyaphinde zisetshenziswe, futhi azikhiqizi izinto eziyingozi ngesikhathi sokusetshenziswa isikhathi eside, zihlangabezana nezindinganiso zakamuva zokuvikela imvelo kanye nokuphepha kwemishini yasekhaya emhlabeni jikelele.
Ekwakhiweni kwesakhiwo, umucu omusha wokuvala usebenzisa isakhiwo sokuvala esinezimbobo eziningi esihlanganisiwe, esithuthukisa ukuqina kokucindezela kanye nekhono lokulwa nokuguquka. Ngisho nangemva kokuvulwa nokuvalwa njalo kanye nokukhishwa isikhathi eside, singagcina isimo sokulingana esizinzile. Umucu wokuvala onamandla aphezulu owakhelwe ngaphakathi unamandla amakhulu okufaka umswakama, oqinisekisa ukuthi umnyango wesiqandisi uvaliwe kahle ngaphandle kwezikhala ezikhululekile. Kumafriji anezicabha eziningi, amafriji ahambisanayo kanye namafriji aqondile ebhizinisi anemizimba emikhulu yeminyango, isakhiwo sokuvala esiqinisiwe esenziwe ngokwezifiso sigwema ngempumelelo inkinga yokuvuza komoya wendawo okubangelwa ububanzi obukhulu bomzimba womnyango.
Idatha yocwaningo lwemakethe ikhombisa ukuthi imakethe yomhlaba wonke yokuvala iminyango yesiqandisi izofinyelela amaRandi ayizigidi eziyizinkulungwane ezingu-1.78 ngo-2030, ngesilinganiso sokukhula saminyaka yonke esingu-5.2%. Njengoba izinqubomgomo zemishini yasekhaya yokonga amandla zithandwa emhlabeni wonke, isidingo sokufaka esikhundleni semishini yokuvala ifriji esebenza kahle siyaqhubeka nokukhula. Njengamanje, izinhlobo zemishini yasekhaya ezivamile sezisebenzise ngokugcwele imishini yokuvala i-TPE emikhiqizweni emisha, kanti imakethe endala yokulungisa isiqandisi nayo iyachuma. Abahlaziyi bemboni bathi ngokuthuthukiswa okuqhubekayo kobuchwepheshe bemishini yokuqandisa, imishini yokuvala ifriji izothuthukela ekuvikelweni kwemvelo okwengeziwe, ukusebenza kahle okuphezulu, imisebenzi yokulwa namagciwane kanye nokuhlanza okulula, okuthuthukisa kakhulu intuthuko yokonga amandla kanye nekhwalithi ephezulu embonini yemishini yasekhaya.
Isikhathi sokuthunyelwe: Juni-15-2026