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TPU foam, a flexible thermoplastic variant of polyurethane, forms the resilient backbone for aggressive playstyles in the Combat Paddle. Known for its closed-cell structure, TPU excels in high-impact scenarios, absorbing shocks while maintaining shape integrity—ideal for the rapid, repetitive strikes in pickleball rallies.
Key scientific properties include:
- Density: Typically 90–320 kg/m³, enabling lightweight yet robust cores (e.g., 0.09 g/cm³ for softer flex, scaling to 0.32 g/cm³ for reinforced builds).
- Compressive Strength: Up to 151.4 MPa yield strength at higher densities, with collapse stress following a power-law increase relative to density for consistent energy dissipation.
- Young's Modulus: 0.08–0.93 MPa at low densities (for plush feel) to 15.1–151.4 MPa at denser grades, directly correlating with hardness and providing tunable stiffness—higher densities yield 10–20x greater modulus for enhanced rebound.
In pickleball, TPU's advantages shine in vibration dampening, reducing arm fatigue by up to 25% during extended sessions, as its modulus-temperature stability maintains performance from 25°C (49.71 MPa modulus) to elevated play conditions (down to 3.96 MPa at 155°C without structural failure). For the modular platform, TPU's broad density range allows easy swaps for power-focused inserts, outperforming honeycomb in multi-impact resilience by absorbing 15–30% more energy per strike, making it the go-to for competitive durability without added weight.
TPU foam, a flexible thermoplastic variant of polyurethane, forms the resilient backbone for aggressive playstyles in the Combat Paddle. Known for its closed-cell structure, TPU excels in high-impact scenarios, absorbing shocks while maintaining shape integrity—ideal for the rapid, repetitive strikes in pickleball rallies.
Key scientific properties include:
- Density: Typically 90–320 kg/m³, enabling lightweight yet robust cores (e.g., 0.09 g/cm³ for softer flex, scaling to 0.32 g/cm³ for reinforced builds).
- Compressive Strength: Up to 151.4 MPa yield strength at higher densities, with collapse stress following a power-law increase relative to density for consistent energy dissipation.
- Young's Modulus: 0.08–0.93 MPa at low densities (for plush feel) to 15.1–151.4 MPa at denser grades, directly correlating with hardness and providing tunable stiffness—higher densities yield 10–20x greater modulus for enhanced rebound.
In pickleball, TPU's advantages shine in vibration dampening, reducing arm fatigue by up to 25% during extended sessions, as its modulus-temperature stability maintains performance from 25°C (49.71 MPa modulus) to elevated play conditions (down to 3.96 MPa at 155°C without structural failure). For the modular platform, TPU's broad density range allows easy swaps for power-focused inserts, outperforming honeycomb in multi-impact resilience by absorbing 15–30% more energy per strike, making it the go-to for competitive durability without added weight.