U-Shandong Tonda liphakamisele amagama aphakathi kwezilondolozi lepolyurethane elihlupheka kakhulu lokugcina izinto ezinhluphekisekileyo, njengemanye weqhayi, ushika wesandile nokulondoloza amaglass cullets. Ikhethwe ngokusebenzisa i-MDI-based polyurethane ngeceramic microbeads okusetyenziswa, uyasibuyelela ukungabhedekelwa ngaphezulu kwe-rubber lenkulunkulu, ngenxa yevolume loss ≤50 mm³ kwi-testi zokuthi zikhona. Ukubuyiselwa kwe-apertures ephakathi kwenze ukuba akukho umdlalo wophawuli nokuhluphelo olunyelekileyo, futhi ukuphucukelela kwesikhephe (≥95%) uhlobene phakathi kwe-screening accuracy ngaphandle kokuthi kube khona. Kufuneka kuhlanganiswe ngazo kuminingi nokubuyela, kunqumeke izinyathu ezimbili emiyangeni +15,000 ngokwesikhatsi esidingayo. Bonisa nethu ukubaleka ukuthi uzame umthombo omuhle oluthi oluzalise abafundisi be-abrasion screening operations.