penetration bitumen ۶۰/۷۰ for export در اصفهان Tar penetration grade 60

Tar penetration grade 60/70 means the penetration value is in the range 60 to 70 at standard test conditions which commonly used as a Paving Grade.
suitable for road construction and for the asphalt pavements with superior properties. The bitumen 60/70 of bitumen used in the manufacture of hot mix asphalt for bases and wearing courses and the main usage of this product is used in the road in mild regions.