BITUMEN AH GRAD:
Bitumen is a heavy, semi solid oil derivative that gradually softens when heated.
Bitumen is primarily used in the construction of bituminous paving or asphalt roads.
Due to its water-proofing properties it is also used for roofing as well as other household and industrial applications, from emulsion paints to sound-proofing.
There are different qualities of Bitumen which will vary according to the type of crude oil refined.
ICIS pricing focuses on Bitumen 60/70 rated according to the penetration and softening point tests at 25 deg C.
ICIS also reports on bitumen class 170 and class 320 rated according to the Australian market standard.
AH grades are mostly used in domestic China market AH grades are as below: