I-Shandong Tonda iyindiza yokuqala le-seal esikhulu sokunxibelela okuthile kwiindawo zokusebenza ezidingekayo. Ingenziwe ngokulandelana nge-polyurethane osebenziswayo nokuphucula kwamakhathaleni, uhlu lwenqanawe (tensile strength ≥35 MPa, elongation at break ≥400%) uzihlabeleke amabili nje emasiphamulelo. Isiphumo saso esesenzisa ngalokhu ukususa isiqephu sisebenza ngokukhipha umoya wemoyeni, futhi usetyenziswa kakhulu nge-ozon kanye nokungakhotholi, lokuvunyelwa ukuba kufanele iindlebe zezombili noma zezintaba. Kuyimvelo lokuhlola ukudibanisa imali yokugcina kuhlanganisiwe ngokubheka ukusetyenziswa kokubuyela. Bonisa nethu ukuze ufunde ngezinhlelo zokubuyela nezilungiselelo zokusebenzela.