Special turf filler comprising silica particles

  • US 6,884,509 B2
  • Filed: 04/24/2003
  • Issued: 04/26/2005
  • Est. Priority Date: 04/24/2003
  • Status: Active Grant
First Claim
Patent Images

1. An aggregate turf filler for use with the turf of athletic and landscaped areas said turf filler aggregate comprising:

  • substantially round silica sand particles (SiO2) having an angle of repose of less than 30° and

    sized to be between 12 and 40 mesh;

    an acrylic polymer based sealer including mineral spirits, ethylenebenzene and xylene coating and sealing the outer surface of each of said silica sand particles;

    wherein, said silica sand particles resist mounding, repel water, resist compacting, present no damaging sharp edges when incorporated with said turf and are environmentally safe.

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