Onetsetsani kuti mwanena zitatu, ziyenera kukhala: PPR, PVC, Pe
1. Mapaipi apulasitiki ogwiritsidwa ntchito kwambiri ndi awa: PPPR (Polypropylene), pvc (polyvinyl), polybuten), pelthylene) etc.
Chachiwiri, kukula kwa mapaipi apulasitiki nthawi zambiri kumafotokozedwa malinga ndi mainchesi akunja. Monga PPT PRU: De63
3. Moyo waMF Mbale Vartve X9011imatsimikizika malinga ndi GB / T182525222222222222222-2000 Pulogalamu Yapamwamba - Kutsimikiza kwa Mphamvu ya Mphamvu Yautali ya Mapazi a Thermoplastiction Mapazi a Thermoplasticy. Iyi ndi njira yolumikizirana ndikusintha mphamvu yayitali ya zinthu za thermoplastic zinthu kapena zolemba chifukwa cha zotsatira za ma hydrostatic mphamvu ya mapaipi. * Ambiri mwa omwe ali pamwambawa amagwiritsa ntchito njirayi kuwerengera, pansi pa kutentha kwa 20 ℃, chitoliro cha pulasitiki nthawi zambiri chimakhala ndi moyo zaka 50.
Chachinayi, zida zoumba za mapaipi apulasitiki ndi makina owumba jakisoni, omwe amapangidwa m'mapaipi ndi makina a jakisoni.
5. Pali njira ziwiri zolumikizira mapaipi apulasitiki: otentha otentha ndi guluu.
6. Miyezo ya mapaipi apulasitiki makamaka ikuphatikiza:
1. Prps (Polyppoplene): GB / T18742.1, GB / T18742.2, GB / T18742.3
2. PVC (Polyvinyl chloride): GB / T10002.1-2006, GB / T10002.2-2003
3. Pe (Polythylene): GB155558, GB / T136633
4. HDPE (Onjezani Kuchulukitsa Kwambiri Polyethylene): GB / T19472.2-2004
Mapaipi apulasitiki makamaka amaphatikizanso PPPR (Polypropylene), pvc (polyvinyl), pb (polybuten), petpe (zowonjezera), zida zogwiritsidwa ntchito ndi Polypropylene (ma pp), polyvinyl chloride (pvc), polyethylene (pe) ndi ma poizoni ena.
Pipe ya pulasitiki ndi mawu opangira mapaipi apulasitiki. Mapaipi apulasitiki ali ndi mawonekedwe olemera, ukhondo ndi chitetezo, madzi ang'onoang'ono amateteza, kupulumutsa zitsulo, chitetezo komanso zosavuta, etc. M'zaka 10 zapitazi, zoyendetsedwa ndi dziko langa la Macroeconomimic, matupi anga apulasitiki atukuka mwachangu motsatana kwa chitukuko chachikulu cha zida zomanga za mankhwala. Mu 2010, kutulutsa mapaipi apulasitiki kudutsa matani 8 miliyoni, komwe guangdong, Zhejiang ndi Shandong adawerengera 42% ya zotulutsa. Mapaipi apulasitiki ali ndi zabwino zambiri pa mapaipi achitsulo komanso ma conrete m'magawo ambiri, motero agwiritsidwa ntchito kwambiri m'malo ambiri.
Post Nthawi: Jan-24-2022