Penentuan Viskositas pada Waktu Pemanasan 1 Menit dan Setelah 4 Menit terhadap Sir 20cv di Pt Bridgestone Sumatra Rubber Estate Dolok Merangir

Abstract

One of the parameter at pallet SIR 20CV it is viscocity. Standar of viscocity is 50-64 the used viscocity Mooney. And the value can red at scala. Determination value beginning first minutes. The time of the heater is five minutes. The result that goten of the heater first minute not sure suitable with standart of viscocity after fourth minutes. The result can have suitable with standar. This heater the temperature 100±0,5oC. Value of viscocity more influence toward quality of rubber. If viscocity cannot suotable with standar so pallet will was refused by with consumen.