Lottman Breaking Head is used with standard compression machines to determine loss of strength of asphalt concrete resulting from saturation and accelerated water conditioning.
Marshall Breaking Head
Upper and lower cylindrical segments with inside radius equal to specimen radius
Base mounted segment is connected to upper segment by two vertical guide rods
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Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.