- Testing
- Impact testing according to national standard GB/T14625.3-2008
- Test Results
- Deformation under pressure 25%, impact speed 38.4 KM/H
- Resilience
- Resilient phenolic resin board with Shore hardness of HS80-HS90
- Inner Core
- Durable and pressure-resistant butyl rubber bladder
- Construction
- Roll-plastic molded butyl rubber bladder for longevity
- Stability
- Stable elasticity with fine winding to prevent deformation
- Air Retention
- Butyl rubber bladder to prevent air leakage