Tennis-Racket Inspired Core: Air Duct Frame with EPP & EVA Trampoline Architecture
Harnessing Rigid Frame Dynamics and Soft Polymer Buffer for Unmatched Trampoline Effect and Dwell Time.
Inspired by classic tennis racket engineering, this breakthrough architecture combines a high-rigidity Air Duct Frame with a central Hard EPP Core, separated by an active EVA Foam Buffer Zone. By sandwiching a soft polymer layer between two firm structural boundaries, this hybrid design creates a true “trampoline effect”—maximizing energy return, expanding the sweet spot, and insulating vibration before it reaches the grip.
Structural Blueprint Breakdown
1. Rigid Perimeter Frame (Air Duct Frame)
Tennis Racket Outer Shield:
Serves as the paddle’s outer structural skeleton. Provides torsional stability and raw energy deflection, acting just like a tennis racket frame.
2. Intermediary Soft Buffer Zone (EVA Foam Rim)
Trampoline Flex Zone:
The white high-rebound EVA foam layer sits between the frame and the core. It absorbs impact shear forces, allows localized core flex, and expands ball dwell time for extreme spin control.
3. High-Density Central Engine (EPP Foam Core)
String-Bed Feedback Engine:
The firm black EPP core delivers a solid, crisp response upon contact. Combined with the elastic EVA rim, it creates maximum energy transfer on power drives while keeping dinks soft and forgiving.
ENGINEERING ADVANTAGES
Key Advantages for OEM / ODM Brands
Enhanced Trampoline Effect:
The “Hard-Soft-Hard” polymer gradient stores and releases impact energy faster than traditional honeycomb cores.
Tennis Racket Ball Feel:
Offers tennis players a familiar, cushioned “plush” feel with noticeable ball-pocketing capability.
Vibration Decoupling:
The intermediate EVA ring prevents high-frequency impact energy from traveling directly from the core to the carbon handle.
Your can explore our full EPP/MPP core pickleball paddle innovation range