ASTM
D1560 & D2844
AASHTO T-246 & T-190
CALIF. 301, 304-D, 366 &
367
CAT.
NO. 760BH6 Breaking Head
(Improved)Used
to test for the resistance to plastic flow of bituminous mixtures 6 dia.
A closely fitting 4 long bronze bushing slides on a 1 dia. hardened
ground and chrome plated steel post providing bind-free guiding necessary to consistent
results.