Penelitian peningkatan ketahanan kikis sol karet sepatu olah raga

Penelitian peningkatan ketahanan kikis sol karet sepatu olah raga

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In order to improve the abrasion resistance of sport shoes rubber soles, 9 rubber compound formula has been observed, with variation in using of calcium silicate Memorial Keychain Gift Box and aluminium silicate as filler and naphtenic oil as softener.The result of this research showed that the best value of the abrasion resistance was 0,0485 mm3/kgm and it fulfilled the requirements of Indonesian National Standard 0171-1987-A, Canvas shoes with rbber sole for sports.It constitutes the formula of 100 parts (by weight) of natural rubber, 25 parts of calcium silicate, 25 parts of aluminium silicate and 8 parts of naphtenic oil.The usage of 50 parts of Tick Dips calcium silicate and aluminium silicate fillers with 8-10 parts of naphtenic oil didn’t influence more on the hardness and its value fulfilled the requirements of Indonesian National Standard 0171-1987-A.