By The Guardian – Chief Technical Advisor, GUGAFIX® Construction Chemicals Introduction Sand is one of the most important raw materials in Ready Mix Plaster. But not all sand behaves the same way. A manufacturer may have access to: River sand Crusher sand Manufactured sand Processed fine aggregate Screened quarry material The obvious question is: Which one is best for Ready Mix Plaster? The answer is not simply river sand, crusher sand, or manufactured sand. The real answer i