Sand or Aggregate in Sealcoatings – Their Value and ...
Each sieve has a number, such as 20 mesh, 50 mesh, 200 mesh, 325 mesh. This number relates to the number of openings in the screen per inch. ... Use only water washed, clean, angular silica sand or aggregate. Conclusion. Use washed dry silica sand /aggregate that shall be angular, free of dust, trash, clay, organic matter or other contaminants ...