... or grain, honeycomb. oderless, slightly bitter taste. Relative density of 2.15(25°C). melting point of 782°C, boiling point ... to 260°C it becomes water porous calcium chlorde,anhydrous.2,use:Used in highway, expressway, parking lot and port. As ... /T2327-92water insoluble%≤0.10.1HG/T2327-92alkalinity(as Ca(OH)2)%≤0.350.35HG/T2327-92sulphate (calculated by CaSO4)%≤0.10 ...