The following parameters help explain how Vivaturf non-infill turf can meet the needs of professional sports fields.
| Performance Item | Vivaturf Reference Parameter | Sports Performance Value |
|---|---|---|
| Dry friction coefficient | 0.60–0.80 | Supports grip for sprinting, stopping, and direction changes |
| Wet friction coefficient | ≥0.50 | Helps reduce slipping after rain or cleaning |
| Field-wide friction variation | ≤0.05 | Provides consistent traction across the field |
| Wet-to-dry friction variation | ≤0.10 | Helps maintain stable grip under wet conditions |
| Friction retention after simulated use | ≥90% after 10,000 cycles | Supports long-term grip stability |
| Temperature-related friction variation | ≤0.05 from -20°C to 70°C | Supports use in different climate conditions |
| Water contact angle | ≥90° | Helps reduce surface water film and improve drainage response |
| Heavy metal migration | ≤0.3 mg/kg | Supports safer use for athletes and public spaces |
| TVOC emission | ≤0.22 mg/(m³·h) | Supports low-emission sports environments |
| Formaldehyde, benzene, toluene | Not detected under relevant test conditions | Supports healthier field use |
These values can be adjusted according to field type, sport type, climate zone, and project requirements.
Even a well-engineered turf product must be installed correctly to achieve stable traction. Vivaturf supports a full-process quality control system from base preparation to final field testing.
4.1 Base Flatness and Strength
The field base should be flat, stable, and properly compacted. A recommended base flatness control is ≤3 mm over a 3 m straightedge, depending on the project specification. For professional sports fields, tighter tolerances may be required.
The base strength is commonly specified at C25 or above, helping prevent settlement under long-term use. A stable base helps maintain consistent force distribution and traction performance.
4.2 Material Inspection Before Installation
Before installation, third-party test reports should be checked, especially for:
- Dry friction coefficient
- Wet friction coefficient
- Friction uniformity
- Yarn durability
- Yarn pull-out strength
- Environmental safety
- UV and aging performance
This helps ensure that the material meets the intended sports performance requirements.
4.3 Seam Control and Surface Consistency
Seams are critical areas for traction consistency. Vivaturf installation standards can require the seam area friction coefficient to remain within ≤0.03 of the main field area. This helps avoid sudden grip changes when athletes step across seams during high-speed movement.
4.4 On-Site Performance Testing
After installation, the field should be tested under both dry and wet conditions. Key checks may include:
- Friction coefficient
- Friction uniformity
- Shock absorption
- Vertical deformation
- Surface flatness
- Drainage response
- Seam stability
This ensures that traction performance is not only present in laboratory data but also properly delivered on the finished field.
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