Kamar yadda polyurethane m kumfa (PU m kumfa) yana da halaye na haske nauyi, mai kyau thermal rufi sakamako, dace yi, da dai sauransu, kuma yana da kyau kwarai halaye kamar sauti rufi, girgiza juriya, lantarki rufi, zafi juriya, sanyi juriya, sauran ƙarfi. sake...
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