Umtya wokutywina umnyango usetyenziselwa ukulungiswa kocango lwemoto, i-dustproof kunye nokutywinwa ngokuyintloko ine-elasticity elungileyo kunye nokumelana noxinzelelo lwe-deformation, ukumelana nokuguga, i-ozone, irabha ye-EPDM enoluhlu olubanzi lwezicelo zeekhemikhali (-40_+ 120 ℃) (-40_+ 120 ℃) ( EPDM) i-raber foam kunye ne-composite exineneyo
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