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PMB 76-10

Polymer Modified Bitumen (PMB) 76-10 is an asphalt binder that is modified with polymers to enhance its performance under different temperature conditions and heavy loads. The designation “76-10” indicates the temperature range in which this bitumen can effectively perform.

Appearance: Black solid or a viscous liquid
Standards: IS 15462:2019
HS Code: 27132000

Package: Bitumen are packed in

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

Polymer Modified Bitumen PMB 76-10 – Technical Specifications

Properties	Units	Limits	Test Methods
Softening Point, Ring & Ball	°C	Min. 70	ASTM D36
Elastic Recovery at 15°C	%	Min. 70	ASTM D6084
Flash Point Cleveland open cup	°C	Min. 230	ASTM D92
Viscosity at 150 °C	Pa.s	Max. 1.2	ASTM D2171
Complex modulus G*/Sin δ at 76°C,25mm Plate,1mm Gap, at 10rad/s	kPa	Min. 1.0	ASTM D7175
Phase Angle (δ)	degrees (°)	max. 75	ASTM D7175
Separation, Difference in Softening Point	°C	Max. 3	–
FRAASS Breaking Point^a	°C	Max. -10	EN 12593
After Rolling Thin-Film Oven Test (RTFO)			ASTM D1754
Loss on Heating	%Wt	Max. 1.0	ASTM D6
Complex modulus G*/Sin δ at 76°C,25mm Plate,1mm Gap, at 10rad/s	kPa	Min. 2.2	ASTM D7175
Multiple Stress Creep Recovery (MSCR) test			ASTM D7405
a) Standard Traffic (S), Jnr 3.2, Jnr diff Max 75% at 76°C	kPa-1	Max. 4.5	ASTM D7405
b) Heavy Traffic (H), Jnr 3.2, Jnr diff Max 75% at 76°C	kPa-1	Max. 2.0	ASTM D7405
C) Very Heavy Traffic (H), Jnr 3.2, Jnr diff Max 75% at 76°C	kPa-1	Max. 1.0	ASTM D7405
d) Extremely Heavy Traffic (H), Jnr 3.2, Jnr diff Max 75% at 76°C	kPa-1	Max. 0.5	ASTM D7405
Pressure Aging Vessel Residue (PAV)
Complex modulus G*/Sin δ at 37°C, 8mm Plate, 2mm Gap, at 10rad/s	kPa	Max. 6000	ASTM D7175
Notes a – FRAASS Breaking Point only to be evaluated in case the project site has subzero temp conditions.

Key Characteristics of PMB 76-10

High Temperature Performance: Withstands pavement temperatures up to 76°C, ensuring the bitumen remains stable and resists deformation or rutting even under intense heat.
Low Temperature Performance: Maintains flexibility and resists cracking at temperatures down to -10°C, making it suitable for regions with moderate cold climates.
Polymer Modification: Polymers, often styrene-butadiene-styrene (SBS), are added to improve elasticity, cohesion, and resistance to deformation and cracking, thus increasing the binder’s overall durability.

Main Applications Of Polymer Modified Bitumen PMB 76-10

PMB 76-10 is used in applications where enhanced resistance to rutting, flexibility, and durability is essential:

Highways and Expressways: Ideal for highways and expressways with heavy and continuous traffic. The high-temperature resistance ensures the pavement remains durable and deformation-free under such conditions.
Bridges and Overpasses: Effective on bridges and elevated structures, which are more exposed to extreme temperature variations and stresses. PMB 76-10 prevents cracking and rutting in these thermally sensitive areas.
Airport Runways and Taxiways: Used in airport pavements, where resistance to high loads and varying temperatures is crucial. It ensures stability and safety under the weight of aircraft and high temperatures.
Industrial Zones and Urban Roads: Suitable for urban and industrial roads that face frequent heavy vehicle loads and intense use. The high deformation resistance of PMB 76-10 makes it an ideal choice in these conditions.
Regions with High Summer Temperatures: Especially suitable for regions that experience hot summers and moderate winters, where pavement needs to withstand high temperatures and moderate low temperatures without compromising integrity.

PMB 76-10 is a polymer-modified bitumen designed to handle temperatures from 76°C to -10°C. Its polymer modification enhances its elasticity, resistance to deformation, and durability, making it ideal for use in highways, bridges, airport runways, industrial roads, and regions with hot climates. It provides the necessary flexibility and stability to withstand high traffic loads and temperature fluctuations.