即煤焦油 and iPod touch. Leading the world in the manufacturing of high precision asphalt maintenance equipment and in customized asphalt systems BearCat has built a reputation for being the premiere choice for computer controlled asphalt and aggregate spread systems.Compute the surface area to be paved. For an example then hit the "Calculate" button to calculate your estimate. You may also revise the default density value of 145 lbs/cubic ft. Actual densities may vary depending on the components of the mix.This calculator will estimate the number of tons of asphalt/hot mix that will be required. This estimate is based on a density for the mix of 150 lbs per cubic foot. Please note that densities will vary somewhat between different mixes
