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Moʻolelo o ka Polyurethane(PU) mea a me nā huahana
Hoʻokumu ʻia e Mr. Wurtz & Mr. Hofmann i ka makahiki 1849, e hoʻomohala ana i ka makahiki 1957, ua lilo ka Polyurethane i mea i hoʻohana ʻia i nā ʻoihana like ʻole.Mai ka mokulele a i ka ʻoihana a me ka mahiʻai.Ma muli o ka maikaʻi o ka palupalu, waihoʻoluʻu, elasticity kiʻekiʻe, hydrolyze resistant, anu a me nā mea wela ...Heluhelu hou aku
