Key Components and Characteristics:

Base Layer (SBR granules): Provides a solid and resilient foundation, often made from recycled SBR granules bonded with polyurethane.

Polyurethane Binder: Binds the SBR granules together, creating a cohesive base layer.

Top Layer (EPDM granules): Provides the top surface with EPDM granules, offering color, grip, and shock absorption.

Benefits: High elasticity, wear resistance, durability, and affordability.

Installation: Can be installed on asphalt or concrete bases.

Sandwich System Features:

Seamless: The layers are applied in situ, creating a continuous surface without seams.

Water-impermeable: Designed to prevent water penetration, ensuring a dry and safe surface.

IAAF Approved: Many sandwich systems are IAAF certified, indicating they meet international standards for athletic surfaces.

High Performance: Provides athletes with optimal comfort, cushioning, and performance.

All-Weather Performance: Suitable for various weather conditions, including rain and wet conditions.

Why EPDM Sandwich Tracks Are Popular:

Cost-Effective: They are a relatively affordable option compared to other track materials.

Durability: Designed to withstand heavy use and various weather conditions.

Versatility: Suitable for both training and competition.

Easy Maintenance: Relatively easy to maintain and repair.

Shock Absorption: Provides good shock absorption, reducing the risk of injury.