Marshall Breaking Heads for 4 or 6in (102 or 152mm) hot-mix asphalt specimens are positioned in load frames to measure deformation under load and flow rate. The upper and lower segments are connected by two precisely machined vertical guide rods with low-friction sleeves. Marshall Breaking Heads are designed for Karol-Warner Load Frames, but can also be used with many other manufacturer’s frames.
- Available for 4 or 6in (102 or 152mm) specimen sizes
- Precision guide rods and low friction sleeves ensure accurate loading
- Compatible with Karol-Warner and many other load frames
Meets Test Methods:
ASTM D 5581
ASTM D 6927