COMPARATIVE EVALUATION OF REPLACEMENT FOUNDRY SAND .
waste foundry sand that used in this study is in between #10 (2 mm) and # 200 ( mm) sieve sizes. 11 percent of foundry sand is smaller than #200 sieve size. Particle shape of the foundry sand is typically sub angular to rounded. Foundry sand consists primarily of silica sand which has more than 80% silicon dioxide, coated with a
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