The CBR Spacer Disc provides a false bottom when placed in a California Bearing Ratio Mold Set to result in a properly sized sample. The plated-steel disc is 5.94x1.41in (151x36mm) DiaxH and has a threaded opening for the threaded stem for easy insertion and removal.
Features:
- Plated steel construction
- For use with California Bearing Ratio (CBR) testing molds
Meets Test Methods:
AASHTO T193
ASTM D 1883