Penetration Grade Bitumen

Penetration Grade Bitumen


Application Road Construction, Bituminous Waterproofing, Coating on Roofs
Features Suitable for highly stressed areas, High viscosity
Pack Size 100-250 Liter or as per clients demand
Grade Standard Reagent Grade, Technical Grade
Source Synthetic
Advantage No heating require, Very durable

Additional Information

Min. Order Quantity 200 Metric Ton

In the past, the penetration index was defined based on the assumption that thermal sensitivity in the bitumen used in road construction was zero. Bitumen is a thermoplastic material, meaning that it becomes pliable or moldable above a specific temperature and returns to a solid state upon cooling. Penetration-grade bitumen is mainly used in road surfacing. Bitumen with lower penetration grade is used in the regions with warm climate while higher penetration grade is used in colder weather.

KB Oil is capable of producing different grades of road surfacing bitumen in compliance with national and international standards. Penetration rate bitumen is graded based on penetration and softening point tests. This table describes the physical properties of penetration-grade bitumen based on European standards. Penetration-grade bitumen is mainly used in road construction. During the last two decades of the 20th century, mo!ft road construction projects showed inclination for solid bitumen which results in more effective asphalt.

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NIOC-Compliant Penetration Grade Bitumen

Test Methodology 30-40 40-50 60-70 85-100 100-120
Density ASTM D-7 1/01-1/06 1/01-1/06 1/01-1/06 1-01-1/06 1/01-1/04
Penetration Rate at 25 Deg C ASTM D-5 30-40 40-50 60-70 85-100 100-120
Softening Point Degree C ASTM D-36 55-63 52-60 49-56 45-52 42-49
Ductility at 25 Degree (cm)-Min ASTM D-113 100 100 100 100 100
Flash Point Degree-Min ASTM D-92 250 250 250 250 250
Solubility in Disulfide %wt ASTM D-92 99/5 99/5 99/5 99/5 99/5
Stain Test AASGTO T 102 Negative Negative Negative Negative Negative
Weight Loss By Heating %wt-Max ASTM D-6 0/2 0/2 0/2 0/2 0/2
Penetration Loss by Heating %-Max ASTM D-6-D-5 20 20 20 20 20

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