Penetration grade bitumen supplied by JGPco is pure petroleum grade bitumen, manufactured from vacuum bottom by passing hot air. The bitumen supplied by JGPco is produced from remain of crude oil after cracking and removing hydrocarbon. Penetration grade bitumen 160/220 has penetration between 160~220 desi-millimeter and softening point between 35~ 43C. The penetration grade bitumen 160/220 has a thermoplastic property which is like as synthetic resin material which gets softer with heating and hardens when cooled. This grade of bitumen 160/220 has very strong viscosity compare to other grades.
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