Penelitian peningkatan ketahanan kikis sol karet sepatu olah raga

Investigation of the prestressed beams and glass-window panels at a shopping centre
.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 and aluminium silicate as filler and naphtenic oil as softener.
An Ethology of Adaptation: Dolphins Stop Feeding but Continue Socializing in Construction-Degraded Habitat
.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 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