Supplier of Polymer Modified Bitumen (PMB) PG 82-22

 

What is SBS Modified Polymer PG Bitumen 82-22

Modified Polymer Bitumen PG 82-22 is a high-performance asphalt binder designed for use in road construction and paving applications under extreme climate and heavy traffic conditions.

Here’s a breakdown of the term:

1. Bitumen

• A viscous, black material that binds aggregates in asphalt mixes.
• Base material for road pavements.

2. Polymer Modification

• Bitumen is modified with polymers (like SBS – Styrene Butadiene Styrene, EVA – Ethylene Vinyl Acetate, or others).
• Polymers improve elasticity, flexibility, durability, rutting resistance, and low-temperature crack resistance.
• Modified bitumen lasts longer than conventional bitumen, especially under stress from traffic and weather.

3. PG 82-22 (Performance Grade System)

• PG = Performance Grade under the Superpave system (AASHTO M320).
• Numbers represent the temperature range the binder can handle:

82 → The binder resists rutting at high pavement temperatures up to 82 °C.

−22 → The binder resists cracking at low pavement temperatures down to −22 °C.

Benefits of PG Bitumen 82-22

1. Excellent High-Temperature Performance

• With a high temperature grade of 82 °C, it resists rutting, bleeding, and deformation even under heavy traffic loads and extreme summer heat.
• Ideal for hot climates and heavy-duty pavements.

2. Superior Low-Temperature Resistance

• The −22 °C grade ensures resistance to thermal cracking in cold winters.
• Maintains flexibility at low temperatures.

3. Enhanced Elasticity & Flexibility

• Polymer modification (e.g., SBS) improves elasticity.
• Pavements can recover after deformation, reducing permanent damage.

4. Longer Service Life

• Reduced maintenance costs due to better resistance to aging, fatigue, and weathering.
• Extends pavement durability compared to conventional binders.

5. Improved Resistance to Heavy Traffic Loads

• Handles high axle loads, frequent braking, and turning stresses (important for highways, intersections, airports, bus lanes).

6. Better Adhesion & Moisture Resistance

• Stronger bonding with aggregates.
• Minimizes stripping and pothole formation caused by water damage.

7. Adaptability to Extreme Climatic Zones

• Suitable for regions with very hot summers and very cold winters, where normal bitumen fails.

Applications of PMB PG Bitumen 82-22

1. Highways & Expressways

• Used in multi-lane highways, motorways, and toll roads.
• Withstands heavy traffic loads and high-speed stresses without rutting or cracking.

2. Airports & Runways

• Ideal for airport runways, taxiways, and aprons, where pavement is exposed to very high temperatures from jet blasts and heavy wheel loads.

3. Urban Roads & Intersections

• Suitable for busy city roads, bus lanes, intersections, and roundabouts.
• These areas face stop–go traffic, braking, and turning stresses that demand elastic, rut-resistant binders.

4. Heavy-Duty Industrial Areas

• Applied in ports, container terminals, logistics hubs, and industrial zones.
• Provides resistance to slow-moving heavy loads like trucks and cranes.

5. Extreme Climate Regions

• Perfect for countries with very hot summers (≥50 °C on pavement) and cold winters (below −20 °C).
• Ensures durability against both rutting and thermal cracking.

6. Bridges & Flyovers

• Used in bridge decks and flyovers where temperature variations and structural movement demand flexibility and strong adhesion.

Different Types of PMB PG Bitumen 82-22Packaging

1. Bulk in Bitumen Tankers

Most common method for large-scale projects.

Delivered in insulated road tankers or marine tankers.

Keeps bitumen hot and ready for direct use in asphalt plants.

2. Drums (Steel Drums)

180 kg capacity per drum.

Suitable for export and smaller projects.

Easy handling and storage, though heating is required before use.

3. Jumbo Bags (Poly Bags / FIBC)

1 MT (metric ton) bags lined with a special polymer to hold bitumen.

Can be directly melted into asphalt plants without removing the bag (eco-friendly).

Reduces waste compared to steel drums.

Technical Data Sheet of PMB PG 82-22

TDS PMB PG 82-22