Etsa bonnete ba hore re bua tse tharo, e lokela ho ba: ppr, pvc, pe
1. Boholo bo sebelisitsoe ka polasetiki. jj.
Taba ea bobeli, boholo ba lipipi tsa polasetiki hangata li hlahisoa ho latela bophara ba bophara ba bophara bo kantle. Joalo ka tro e joalo ka pp
3. Bophelo ba ts'ebeletso eaMF Ball Valve X9011e ikemiselitse ho latela GB / T18252-2000 "Sistimi ea polasetiki - boikemisetso ba li-hydroptatic tse eketsehileng". Ena ke mokhoa oa ho hlakisa lipalo le ho bolela thepa ea nako e telele ea thermoplatics kapa lingoloa tse tsoang liphethong tsa liteko tsa hydrostatic matla a matla a hydrostatic ea lipeipi. * Boholo ba tšebeliso e kaholimo mokhoa ona ho bala, tlasa boemo ba mocheso ba 20 ℃, polasetiki ea polasetiki ka kakaretso e na le lilemo tse 50.
Taba ea bone, lisebelisoa tsa bold bakeng sa liphaephe tsa polasetiki ke mochini o bolileng, o botsoang liphaephe ka mochini oa lilding.
5. Ho na le mekhoa e 'meli ea ho kenyelletsa liphaephe tsa polasetiki: ho chesa le sekhomaretsi.
6. Melao ea liphaephe tsa polasetiki li kenyelletsa haholo:
1. PRpproplene): GB / T18742.1, GB / T18742.2 t18742.3
2. PVC (Polyvinyl chloride): GB / t10002.1-2006, GB / t10002.2-2003
3. PE (polyethylene): gb15558, GB / t13663
4. Hdpe (e ntlafalitsoeng
Peipes ea polasetiki e kenyelletsa PPP (PVC (Polyvinyl Chride), PB (Polyethyd High-Dentle Polypropingne (PP), polyvinyl chlonide (pvc), polyethylene (Pe.) le polymer tse ling.
Pulupe ea polasetiki ke nako e akaretsang ea lipeipi tse entsoeng ka thepa ea polasetiki. Lipipipi tsa polasetiki li na le litšobotsi tsa boima ba 'mele, bohloeki le polokeho, polokeho ea metsi, ea pholoso, e joalo ebile e bonolo ebile e bonolo ebile e bonolo Lilemong tse 10 tse fetileng, li khantšoa ke nts'etsopele ea naha ea incuetic, liphaephe tsa naha ea ka li bile le nts'etsopele e potlakileng tlasa semelo sa nts'etsopele ea lik'hemik'hale. Ka 2010, tlhahiso ea bochaba ea lipeipi tsa polasetiki e fetisitse lithane tse limilione tse 8, tseo Guangdong le Shandong li ikarabellang ka tsona ho 42% ea tlhahiso. Liphororo tsa polasetiki li na le menyetla e mengata ea liphaephe tsa moetlo oa meriana le liphaephe tsa konkreite masimong a mangata, kahoo li sebelisoa haholo libakeng tse ngata.
Nako ea poso: Jan-24-2022