1. I-Polyvinyl chloride, eyaziwa ngokuba yi-PVC, isebenza njengeyona nto iphambili yesi sixhobo. Izinto ezongezelelweyo zinokudibaniswa ukwandisa i-ductility yayo. Umphandle wale nto uqatywe ngepeyinti, undoqo wayo ngokuyintloko yipolyvinyl chloride, kwaye ingaphakathi layo lifakwe umaleko wokuncamathelisa owenziwe kwizinto zokwenziwa.
2. Imibhobho yePVC iyonwabele ukuthengisa kunye nokusetyenziswa kwemarike ebalulekileyo. Le mibhobho iza kwiindidi ezahlukeneyo, ngokuyintloko ihlelwe ngokusekelwe kumacandelo awo ahlukeneyo, ekhokelela kwiimpawu ezahlukeneyo. Umzekelo, imibhobho ye-PVC-U ibonisa ukuxhathisa okuqinileyo kunye nobulukhuni, ibenza ukuba bafanelekele ukukhutshwa kwamanzi okanye ukuxinzezeleka kwenkqubo yokucoca umoya. Kwelinye icala, imibhobho ye-PVC-O, inguqulelo eguquliweyo, iqhayisa amandla amangalisayo kunye nokuchasana kwempembelelo.
Unikezelo lwamanzi umbhobho wePVC
umbhobho wepvc wokuthunga
pvc umbhobho wombane
imodeli |
I-PVC -63 |
Pvc -110 |
I-PVC-160 |
I-PVC-250 |
I-PVC-315 |
I-PVC -450 |
I-PVC-630 |
Isicelo (OD) |
16-63 |
20-110 |
50-160 |
70-250 |
110-315 |
200-450 |
315-630 |
Imodeli ye-Extruder |
50/110 |
55/110 |
65/132 |
80/156 |
80/156 |
92/188 |
92/188 |
Umthamo |
150 |
180 |
250 |
350 |
400 |
450 |
750 |
1. Kwimihlobiso yasekhaya, abanye abanikazi bezindlu bakhetha iipayipi ze-PVC zokuhambisa amanzi ngenxa yeempawu zabo ezigqwesileyo zokuxininisa, nangona ukuguquguquka kwabo kungaphantsi kancinci kwezinye iipayipi zeplastiki. Njengemibhobho yokuhambisa amanzi, ukuxhathisa kwabo okuphantsi, okubangelwa ngokukodwa kwiindonga ezigudileyo zombhobho, kunciphisa ukungqubana kunye nokuvala ingozi.
2. Ukukhetha imibhobho ye-PVC-U inika iingenelo ezifana nokuxhathisa i-acids, i-alkalis, kunye nokuhlwa, kubenza ukuba bangabi sengozini yokulimala kwiindawo ezifumileyo okanye kwi-acidic layers zomhlaba.
3. Ngaphaya koko, imibhobho yePVC ibonisa ukungangeni kwamanzi ngendlela engaqhelekanga, iqinisekisa ukutywinwa okuqinileyo nokuba kukuncamathisela okanye ngokudibanisa.
4 Nangona kunjalo, banemida; umzekelo, ayilungelanga imibhobho yamanzi ashushu kwaye ingasetyenziselwa unikezelo lwamanzi abandayo kuphela. Ukongeza, abanakuqeshwa ngokuthe ngqo njengemibhobho yamanzi okusela ngenxa yokuguquguquka okuncinci kunye nokuchaphazeleka kokuqhekeka.