Mafotokozedwe Akatundu

Mapepala a pvc amapangidwa pogwiritsa ntchito zida zapamwamba zosankhidwa kuti zikhale zolimba komanso zolimba, zomwe zimapatsa PVC zotchingira madzi moyo wautali kwambiri. Kupereka mankhwala PVC pepala nembanemba anaika molondola, iwo adzapereka kwa nthawi yaitali kuletsa madzi peotection.
PEVA ndi vinyl yopanda chlorinated yomwe nthawi zambiri imagwiritsidwa ntchito polowa m'malo mwa PVC. PEVA ili m'zinthu zambiri zapakhomo, zomwe zimawoneka ngati zowonongeka kwambiri za vinilu chifukwa chakuti ndizopanda chlorinated (zilibe chloride. ) Choncho, zinthu zopangidwa kuchokera ku PEVA zimaonedwa kuti ndi zathanzi kusiyana ndi mankhwala a PVC.

Poncho amapangidwa mu PVC / PEVA, ndi chinthu cha zovala zakunja zomwe zimaphimba ndikuteteza ku mvula ndi mphepo.
Kaya ana anu akupita kusukulu, kumalo osungira nyama, kuulendo, onetsetsani kuti mwabwera nawo paulendo wanu wamtsogolo mukakhala ndi malingaliro akuti kugwa mvula.

Poncho ya ana imabwera ndi chingwe cha chipewa kuti mutu wanu ukhale wowuma, ntchentche yakutsogolo yokhala ndi batani yosavuta kugwiritsa ntchito.

Kufotokozera