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crushed rock fines 2017

Starting in 2017 Polaris is offering a fine sand product to supplement manufactured sands This naturally rounded rock dust D 50 of 300 m provides the bottom end of the gradation curve and improves a manufactured sands effectiveness as a concrete sand This product can also be blended with our concrete sand to offer of FMs Fineness Modulus from 15 to 25 making it suitable for


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