Lottman Breaking Head
The Lottman Breaking Head is used to determine the tensile strength of Marshall test specimens.
Built in accordance with ASTM D 4123, the tensile bar width is 1/2-in. for 4-in. diameter Marshall test specimens and 3/4-in. for 6-in. diameter specimens. Guide sleeve similar to Marshall Breaking heads. Plated steel for rust resistance.
ASTM D 4123