Umbhobho wePVC ongafihliyo uFaka iTee yePVC ecacileyo kunye nomgangatho weDIN ANSI

I-1, ifomula ekhethekileyo yePVC, umbhobho othe tye kunye nezixhobo zinombala ocacileyo.

I-2, udonga lwangaphakathi olugudileyo lwePVC olucacileyo ngokuthe ngqo, akukho lula ukuqokelela ukungcola kwaye luchaphazela ukuthuthwa kwamanzi.

I-3, inokuqonda ngokucacileyo isalathiso kunye nemeko yokuthutha ulwelo ngaphakathi kombhobho, olungele ukubeka iliso kwinkqubo.

I-4, Inokongezwa kwipayipi ngaphandle kokuthuthwa kweekhemikhali ezibalulekileyo okanye eziyingozi, ngokubeka iliso kunye nokukhusela.

I-5, Ngokuqhelekileyo isetyenziswe kwinkqubo yemibhobho yekhemikhali kunye nokutya.

Umbhobho wePlastiki kunye nombhobho wentsimbi, umbhobho wentsimbi, ekwakhiweni, umphezulu wombhobho kufuneka ube ngaphezu kwe-permafrost layer ye-20 centimeters ezantsi, kuba amanzi eqandisela kwi-0 ℃, thabatha 4 ℃ xa umthamo ungowona mkhulu, ngeli xesha. iya kuba nokwandiswa umthamo, umbhobho yeplastiki kunye neminye imibhobho, efanayo, uya kugqabhuka ngokungenakuphepheka, ngoko ke nakummandla osemazantsi akukho ngumkhenkce, ngokubanzi kuthathelwe ingqalelo uxinzelelo, ukulayisha, ukulima kunye nezinye izinto, ngoko ke Imimiselo efanelekileyo ifuna a ubunzulu bokungcwatywa buziisentimitha ezingama-70 okanye ngaphantsi.