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SHANDONG LONGHUA NEW MATERIAL CO., LTD.tau tsim nyob rau lub Peb Hlis 2011 thiab nyob ntawm No. 289, Weigao Road, Gaoqing Economic Development Zone, Zibo City, Shandong Province, nrog rau thaj chaw zoo tshaj plaws thiab kev thauj mus los yooj yim…

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  • Vim li cas siv polyurethane hauv tsheb yog qhov tseem ceeb heev

    Txij li thaum ntxov li xyoo 1960, kev lag luam tsheb tau siv polyurethanes rau ntau yam kev siv.Tom qab kev tsim khoom ntawm polyurethane (PU npuas) hauv xyoo 1954, cov tuam txhab tsheb pib sib koom ua ke PU ua npuas ncauj rau hauv cov vaj huam sib luag ntawm ntau lub tsheb.Niaj hnub no, nws tsis yog tsuas yog siv nyob rau hauv panels tab sis kuj nyob rau hauv lub rooj zaum tsheb ...

  • Polyurethane yog dab tsi?

    Polyurethane (PU), lub npe tag nrho ntawm polyurethane, yog cov khoom siv polymer.Nws tau tsim los ntawm Otto Bayer hauv xyoo 1937. Polyurethane tau muab faib ua ob pawg: hom polyester thiab hom polyether.Lawv tuaj yeem ua rau hauv cov yas polyurethane (feem ntau yog foamed plastics), polyurethane fibers (hu ua spandex hauv ...

  • Flexible Polyurethane Foam yog dab tsi?

    Flexible polyurethane ua npuas ncauj (FPF) yog ib qho polymer uas tsim los ntawm cov tshuaj tiv thaiv ntawm polyols thiab isocyanates, cov txheej txheem tshuaj pioneered hauv xyoo 1937. FPF yog tus cwj pwm los ntawm cov qauv ntawm tes uas tso cai rau qee qhov kev sib tw thiab kev ua haujlwm siab uas muab cov nyhuv cushioning.Yog vim li cas qhov teeb meem no ...

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