Tsamba la data lakuthupi ndi makina
Kanthu |
Deta yaukadaulo |
Kutentha kwa Vicat Softening |
≥80 ℃ |
kutembenuka kwa nthawi yayitali |
≤5% |
Dichloromethane test |
15 ℃ ± 1 ℃, 30min, palibe kusintha padziko |
Kuchepetsa kulemera kwake (0 ℃) |
TIR≤5% |
Kutsitsa kulemera kwake (22 ℃) (dn≥90mm) |
Palibe brittle crack |
Mayeso a Hydraulic Pressure |
Palibe wosweka, palibe kutayikira |
Mayeso a Notched Pipes Hydraulic Pressure Test |
Palibe wosweka, palibe kutayikira |
Kupatula makhalidwe ambiri pulasitiki chitoliro ndi kulemera kuwala, ntchito bwino kusindikiza, khalidwe labwino kwambiri wathanzi, yabwino kwa jointing ndi moyo wautali utumiki, High zimakhudza PVC-M madzi chitoliro ali ndi makhalidwe awa komanso:
●Kulimba mtima kwambiri komanso kukana.
●Kupititsa patsogolo luso la nyundo yoletsa madzi.
●Kulimbana ndi kupsinjika kwa chilengedwe.
●Kupititsa patsogolo ntchito yolimbana ndi dzimbiri.
Izi PVC-M mkulu zimakhudza madzi chitoliro ndi katundu wa kulimba wabwino ndi kukana bwino kwambiri kuposa mapaipi wamba PVC, ndi zina zakuthupi, makina katundu mokwanira kutsatira mfundo za dziko ndi mfundo ogwira ntchito.
Mapaipi athu operekera madzi a PVC-M amapangidwa ndi njira yaulere ya lead, ndipo amatha kutsatira mulingo wa GB/T 17219-1998 ndi muyezo wa "zida zopatsira madzi amoyo ndi akumwa ndi zida zodzitchinjiriza pakuwunika magwiridwe antchito aumoyo" zomwe zimalengezedwa ndi unduna wa zaumoyo.
Chitoliro angagwiritsidwe ntchito kwambiri kufala madzi, madzi abwino akumwa, maukonde chitoliro kupanga mafakitale, m'tauni ndi kumidzi ngalande ndi ulimi wothirira kachitidwe.