Isikhelo sokuqasha lweShandong Tonda lesi polyurethane siyaziqaleni ukuthi uzame ukuhamba nokuhlola umoya wokushintsha kumgca omkhulu, njengezihlaba zezincinci nezilungiselelo lemetal. Isikhelo sesifuthe esishumi nesinye sinamava eliphakathi lokuncedisi polyurethane (Shore A 50–60) yokushintshisa ukushintshiwe ngokuphakathi kunye nomva ophakathi olunomdabu (Shore D 80–85) yokugcina indlela. Leli khonsto lingakwazi ukukhathala ngokulandelana ngeemfowethi yokuqasha eziyi-80 J, ukususa isiphumo sokushintsha kweendlela zakho kunye nokuyabelana ngeesiphiwo sesikhelo se-30–50%. Amaphawuli apho amashinti akhona abangene ngokubanzi kakhulu ngokushintsha imibuzo engcono, njengokushintsha i-concrete encinci okanye imetal yesikhashana, ukususa ukusuka kwemeshi kunye nokusasazeka komhlaba. Bonisa nethu ukubaleka izindlu zokuqasha ezinomsindo kakhulu.