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Ukuvalwa kwe-Tread Phenolic kunye ne-Urea ngokuqhubekayo
Ukuvalwa ngokuqhubekayo kwephenolic kunye ne-urea ngokuqhelekileyo kusetyenziswa iindidi zokuvala ukupakisha iimveliso ezahlukeneyo, ezifana nezithambiso, amayeza, kunye nokutya. Oku kuvalwa kwaziwa ngokuqina kwazo, ukumelana neekhemikhali, kunye nokukwazi ukubonelela ngokutywinwa okuqinileyo ukugcina ukutsha kunye nokuthembeka kwemveliso.
