WS Tyler Test Sieves are fabricated using a fine mesh screen cloth produced to extraordinary tight tolerances, assuring the user the permissible variation of the average openings of the instrument will be half of the allowable ASTM or ISO specifications.

WS Tyler test sieves are fabricated using a fine mesh screen cloth produced to extraordinary tight tolerances, assuring the user the permissible variation of the average openings of the instrument will be 50% of the allowable ASTM or ISO specifications.

WS Tyler test sieves are fabricated using a fine mesh screen cloth produced to extraordinary tight tolerances, assuring the user the permissible variation of the average openings of the instrument will be 50% of the allowable ASTM or ISO specifications.