Penetration Grade

The Flashpoint of a material is the lowest temperature at which vapor of substance quickly catches fire in the form of flash under definite conditions of the test. So, at this point fire will not [...]

The penetration value of bitumen is the vertical penetrated measure of the standard needle into the bituminous material under specific weight and temperature.This distance is measured in [...]

The spot test is useful for detecting overheating or cracked bitumen occurs because the actual molecules are thermally broken apart. It is shown whether or not Bitumen has been damaged during [...]