Flexible polyurethane thovu (FPF) ndi polima opangidwa kuchokera zimene polyols ndi isocyanates, mankhwala ndondomeko upainiya mu 1937. FPF imadziwika ndi ma cellular dongosolo kuti amalola mlingo wina wa psinjika ndi kulimba kuti amapereka zotsatira cushioning.Chifukwa cha malowa, ndizinthu zomwe amakonda pamipando, zogona, mipando yamagalimoto, zida zamasewera, zonyamula, nsapato, ndi kapeti.Imagwiranso ntchito yofunika kwambiri pakuletsa mawu komanso kusefera.Pazonse, thovu lopitilira 1.5 biliyoni limapangidwa ndikugwiritsidwa ntchito chaka chilichonse ku US kokha.

［ Nkhaniyi yatengedwa kuchokerahttps://www.pfa.org/what-is-polyurethane-foam/］

Chidziwitso:Zina mwazinthu / zithunzi zomwe zili m'nkhaniyi zachokera pa intaneti, ndipo gwero lake ladziwika.Amangogwiritsidwa ntchito kufotokoza mfundo kapena malingaliro omwe afotokozedwa m'nkhaniyi.Amangolankhulana ndi kuphunzira, ndipo sizinthu zina zamalonda.Ngati pali kuphwanya kulikonse, chonde titumizireni kuti tichotse nthawi yomweyo..