Penelitian penggunaan paraffinic oil pertamina sebagai minyak pelunak kompon karet untuk sol sepatu kanvas

The objective of the research is to use parafinic oil, by product of Pertamina, as a softener in making rubber sole compound for canvas shoes. The formula of the compound applled two kinds of parafinic oil, namely paraffinic 60 and paraffinic 95 with variation 2-8 phr. The mastication and mixing processes used two roll mill machine and the compound was vulcanized at 150 0C, at the pressure 150 kg/cm2 and 10 minutes curing time. The comformityt of softener, paraffinic oil, is excellent and no oil exist to the surface of the vulcanized compound. The property of the vulcanized compound fulfilled all the quality requirements of SNI 0778-89-A and SNI 1844 – 90 – A for canvas shoe rubber sole, except abrassion for sport shoe (max. 1.00 mm3/kgm compared with the result of the tes, 1.36 – 2.32 mm3/kgm). Data analysed proves that the addition of paraffinic oil in rubber compound decreased tear strenght and tensile strenght. The properties of elongation at break, permanent set, hardness, abrassion, density and flexing not significant defferences between kinds, types and the treatment of paraffinic oil Pertamina as a softener in rubber compound.

Abstract licence: CC BY

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