(1) Kuwala kwenikweni yokoka, elasticity wabwino, zivomezi ndi compressive kukana, mkulu mapindikidwe mlingo kuchira, kukana zosungunulira zosiyanasiyana mankhwala, palibe mayamwidwe madzi, kutchinjiriza, kutentha kukana.
Zopanda poizoni, zopanda pake, zobwezerezedwanso komanso zosawononga chilengedwe.
(2) Onjezani B1 lawi retardant chitsanzo, mosamalitsa kupyolera mu mayesero oyesera, kukwaniritsa zofunikira zowonjezera chitetezo cha chilengedwe.
(3) Zinthu za EPP nthawi zambiri zimakhala ndi mayamwidwe owopsa, zinthu za thovu, mayamwidwe amawu ndi zotsatira zochepetsera phokoso ndizabwino.
(4) EPP imakhala ndi kutsika kwamafuta otsika, kutsekemera kwabwino kwamafuta ndi anti-condensation. Kwa machitidwe a mpweya wabwino, kutulutsa madzi osungunuka kumatanthauza kuipitsidwa kwachiwiri ndi mabakiteriya, ndi chiopsezo cha kuwonongeka kwa zigawo za thupi.
(5) Kulemera kopepuka, sungani nthawi ndi khama poyendetsa ndi kukhazikitsa. Kukhazikitsa kwapulagi mwachangu, kosavuta komanso kwachangu; Anti-kukalamba, moyo wautali.