HDXM-21 Asphalt Mixture Maximum Theory Density Measuring Instrument

One. Range

HDXM-21 Asphalt Mixture Maximum Theory Density Measuring Instrument is applicable for determining the asphalt mixture maximum theory density with vaccum method for application, such as asphalt mixture mixing proportion design, road condition investigation, calculate the porosity and compactness in the road construction quality management, and so on.

This instrument is not applicable for asphalt mixture like porous aggregate with water absorption higher than 3%.

Two. Test method

According to road engineering asphalt and asphalt mixture test rule T0711-1993.