Coarse Aggregate Void Content Glass Plate with ground finish on one side and seamed edges. Solid Glass Plate is used to calibrate the Copper Cylindrical Measure. This plate is used with the Void Content Apparatus.
Dimensions, in (mm) 6.7 x 6.7 x 0.4in (170 x 170 x 10mm)
Meets Test Methods:
AASHTO T304
ASTM C 1252