PG 76-16 Polymer Modified

Performance Grade (PG) bitumen PG 76-16 is a type of asphalt binder used in the Superpave Performance Grading (PG) system, designed to ensure reliable performance in specific climate conditions.

  • Appearance: Black solid or a viscous liquid
  • Standards: AASHTO M 320-16
  • HS Code: 27132000

Package: Bitumen are packed in

  • New Steel Drums of 200Kg / 180Kg / 156Kg / Customized
  • Jumbo Bags of 1Ton
  • Bulk Bitumen Tank Container

Is PG 76-16 Modified or Unmodified?

PG 76-16 is typically polymer-modified to enhance its properties, especially to resist rutting at high temperatures and prevent cracking in cooler climates. The modification improves its elasticity and durability in high-stress conditions.

Performance Grade PG 76-16 Polymer Modified – Technical Specifications

Properties Units Limits Test Methods
Average 7-day maximum pavement design temperature °C <76
Minimum pavement design temperaturea °C >16
Original Binder

Flash Point

 °C Min. 230 AASHTO T48

Viscosityb @135°C

 Pa.s Max. 3.0 AASHTO T316

Dynamic Shearc , G*/sin δd at 76°C at 10rad/s

 kPa Min. 1.0 AASHTO T315

Elastic Recovery

 % Min. 30 AASHTO T301
Residual Binder from Rolling Thin-Film Test (AASHTO T240 / ASTM D2872)

Mass changee

 %Wt Max. 1.0 AASHTO T240

Dynamic Shear, G*/sin δd at 76°C at 10rad/s

 kPa Min. 2.2 AASHTO T315
Pressure Aging Vessel Residue (PAV)

PAV Temperature

 °C 110 AASHTO R28

Dynamic Shear, G*.sin δd at 34°C at 10rad/s

 kPa Max. 5000 AASHTO T315

Creep Stiffnessf at -6°C

 AASHTO T313

    – S value

 Mpa Max. 300

    – M value (slope)

 Min. 0.30

Direct Tensionf at, -6°C

 AASHTO T314

    – Failure strain, test temp @ 1.0 mm/min

 % Min. 1.0

Notes
a – Pavement temperatures are estimated from air temperatures using an algorithm contained in the LTPP Bind program, may be provided by the specifying agency, or by following the procedures as outlined in M323 and R35.
b – This requirement may be waived at the discretion of the specifying agency if the supplier warrants that the asphalt binder can be adequately pumped and mixed at temperatures that meet all applicable safety standards.
c – For quality control of unmodified asphalt binder production, measurement of the viscosity of the original asphalt binder may be used to supplement dynamic shear measurements of G*/sinδ at test temperatures where the asphalt is a Newtonian fluid.
d – G*/sin? = high temperature stiffness and G* sinδ = intermediate temperature stiffness.
e – The mass change shall be less than 1.00 percent for either a positive (mass gain) or a negative (mass loss) change.
f – If the creep stiffness is below 300 MPa, the direct tension test is not required. If the creep stiffness is between 300 and 600 MPa, the direct tension failure strain requirement can be used in lieu of the creep stiffness requirement. The m-value requirement must be satisfied in both cases.

Main Applications Of Performance Grade PG 76-16 Polymer Modified Bitumen

  1. Highways and Major Roads: Used in high-traffic roadways where resistance to deformation under heavy loads and high temperatures is essential.
  2. Airport Runways and Taxiways: Ideal for runways and taxiways, where aircraft impose heavy loads and pavements need to withstand significant temperature variations.
  3. Bridges and Overpasses: Applied in bridge decks and overpasses, where exposure to temperature extremes and heavy traffic demands superior resistance to thermal stresses.
  4. Urban Roads and Industrial Areas: Effective for urban pavements, industrial roads, and other surfaces that endure frequent, heavy traffic, requiring high resistance to rutting.
  5. Regions with Extreme Temperature Variations: Suitable for climates with hot summers and moderate winters, ensuring pavement longevity by preventing rutting and cracking due to temperature changes.

PG 76-16 bitumen is a polymer-modified asphalt binder designed for use in regions with extremely high temperatures and moderate cold weather. Its high resistance to rutting and crack prevention properties make it ideal for high-traffic roads, airports, bridges, and industrial pavements, ensuring long-lasting and durable performance in demanding environments.

Various Packing Method for PG 76-16 Polymer Modified Bitumen

Packing bitumen is an essential process to ensure its safe transportation, storage, and handling. The method of packing often depends on the type of bitumen, the transportation method, and the end-use. Here are the various methods used to pack bitumen:

Drum Packing

Bitumen is commonly packed in steel drums, which are robust and provide good protection during transportation.

Jumbo Packing

Bitumen is packed in high-density polyethylene (HDPE) bags and are lined with a plastic bag to prevent leakage.

Tank Container

These are large, insulated containers used for the international transport of bitumen.

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