Polymer modified Bitumen (PMB)

About

Polymer modified Bitumen (PMB)

PMB is a blend of bitumen and polymer, which is known for its superior strength and flexibility, making it ideal for use in high-traffic areas. It is more resilient and resistant to wear and tear. The polymer is added to the bitumen during the manufacturing process, creating a product that is superior in strength and durability compared to traditional bitumen.

There are several reasons why PMB is an excellent choice for road construction

Increased Durability: PMB is more durable than traditional bitumen, meaning that it can withstand heavy traffic and harsh weather conditions without cracking or deteriorating.

Improved Resistance to Deformation: PMB has excellent resistance to deformation, meaning that it can maintain its shape and integrity even under heavy loads.

Excellent Waterproofing Properties: PMB has outstanding waterproofing capabilities, preventing water from penetrating the surface and causing damage to the road.

Enhanced Safety: The superior strength and durability of PMB ensure that roads remain safe for users, reducing the risk of accidents and injuries.

Asphalt Pavements: PMB is used to create asphalt pavements that are more durable, safer, and longer-lasting than traditional asphalt pavements.

Surface Dressing: PMB can be used in surface dressing applications to improve the skid resistance of the road surface, enhancing safety for users.

Airport Runways: PMB is commonly used in airport runway construction, where high strength and durability are essential.

Data Table

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Property	Test Method	Typical Value
Penetration	ASTM D5	250 min
Softening Point	ASTM D36	50-70 °C
Elastic Recovery	ASTM D6084	≥ 70%
Ductility	ASTM D113	≥ 100 cm
Flash Point	ASTM D92	> 220 °C
Solubility in Trichloroethylene	ASTM D2042	> 99%
Dynamic Shear Rheometer - G*/sin(delta) at 10 rad/s ASTM D7175 0.1-2.0 kPa	ASTM D7175	0.1-2.0 kPa
Rolling Thin Film Oven Test (RTFOT) Residue	ASTM D2872	40-60%
Kinematic Viscosity at 135°C	ASTM D2170	3000-5000 cSt
Storage Stability	ASTM D7405	No phase separation

Note that these values are for reference only and actual values may vary depending on the specific formulation of the PMB and the manufacturing process used. It’s always important to consult with the manufacturer or supplier for specific information on the PMB product.

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