Artificial activation of Na-bentonite characteristics of sand Performance: My factory production of cylinder block castings are tidal sand mold molding, using horizontal casting process, sticky sand has been a troubled production, one of the main issues, the on subjects ranging from artificial activation of sodium bentonite to start the activation rate for the use of the features in the sand, adding reusability and other aspects of ratio and comparison tests, to solve large-scale influx of cylinder castings production of sticky sand mold sand process defects.

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