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Maximum Permissible Clay Particles In Crushed Stone For Concrete

Maximum Permissible Clay Particles In Crushed Stone For Concrete

Clay lumps and friable particles 3.0 Material finer than 75 micron No. 200 sieve Concrete subject to abrasion 3.0 All other concrete 5.0 Coal and lignite Where surface appearance of concrete is of importance 0.5 All other concrete 1.0 Source Table 1 Limits for Deleterious Substances in Fine Aggregate for Concrete ASTM C 33.

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