Volleyball Construction Fundamentals
Modern volleyballs are almost exclusively thermal bonded (machine-sealed) rather than hand-stitched. The thermal bonding process ensures perfectly round balls with consistent bounce and flight characteristics.
18-Panel Construction
The traditional 18-panel volleyball (similar to the classic 32-panel football) has been used for decades. It uses a pentagon/hexagon pattern for maximum roundness.
Characteristics
- Nearly perfectly spherical — optimal flight
- Soft PU cover material for comfortable play
- Butyl bladder for consistent pressure retention
- Popular for indoor and beach volleyball
12-Panel Construction
The 12-panel design uses larger panel sections for a different feel. It is growing in popularity among advanced players and specific tournament brands.
Characteristics
- Fewer seams mean a smoother surface
- Slightly larger contact area per touch
- Can create subtle bounce differences
- Interesting visual differentiation for OEM brands
Quality Parameters for Volleyballs
| Parameter | Official Spec |
|---|---|
| Circumference | 65-67 cm |
| Weight | 260-280 g |
| Inside Pressure | 0.30-0.325 kg/cm2 |
| Bounce Height | 60-65 cm (from 1m drop on hard surface) |
Material Composition
- Cover — Soft-touch PU laminated fabric (most common) or premium synthetic leather
- Lining — Multi-layer cotton/polyester for shape retention
- Bladder — Butyl rubber for low air permeability
OEM Volleyball Customization
We offer full OEM customization including panel configuration (18/12), color schemes, logo printing (screen print or heat transfer), size options (indoor official, youth, mini), and packaging.