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To describe an aggregate by its maximum and minimum size is not sufficient.It has to be graded from its minimum to maximum size.Is-383 recommends the following grading limit for fine aggregates.Grading limits for fine aggregates sieve size percentage of passing for grading zone-i grading zone-ii grading zone-iii grading zone-iv 10 mm 100.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.