Which one of the following statements related to bitumen is FALSE?
- Kinematic viscosity is a measure of resistance to the flow of molten bitumen under gravity.
- Softer grade bitumen possesses higher softening point than hard grade bitumen.
- Flash point of bitumen is the lowest temperature at which application of a test flame causes vapours of the bitumen to catch an instant fire in the form of flash under specified test conditions.
- Ductility test is carried out on bitumen to test its adhesive property and ability to stretch.