S-16 Specimen Plates (steel)

Uniformly blanked from 20-gage auto body sheet steel and dull finished for good adhesion of the coating to the metal. 100 mm square with rounded corners and a 6.35 mm center hole.

S-17 Specimen Placques (wood)

Manufactured from grade A1, 6.35 mm (0.25 inch) birch plywood which has been sanded on both sides. 100 mm square with a 6.35 mm center hole.

S-18 Specimen Placques (Aluminum)

Produced out of #19 gauge 5052 aluminum. 100 mm square with rounded corners and a 6.35 mm center hole.

NEMA Glass Standardization Plates, S-31

Quality plate glass, approximately 3.15 mm thick.100 mm square with a 6.35 mm center hole

Zinc Standardization Plates, S-34

Rolled zinc sheet, having a thickness of approximately 0.8 mm. Used to verify the abrasion rate of sandpaper strips such as S-42. Note, the S-34 zinc plate should not be used for more than 10 calibrations per side. 100 mm square with a 6.35 mm center hole.

Grit Feeder Standardization Plates, S-38

Cell-cast acrylic used to evaluate the abrasion characteristics of grit used with the Taber Grit Feeder Attachment. 100 mm square with a 6.35 mm center hole and protective sheet applied to both sides.