 Shell medium curing cutback asphalt contains a traditional penetration grade asphalt cement, and a dilutent or 'cutter' of medium volatility. The major use of Shell cutbacks is for road maintenance where it is used a prime coat of the base course before the bituminous surface course is layed. Its purpose is to bind the granular material of the base to the asphalt layer. Medium curing cutbacks can also be used for the following:
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