| Parameter | Specification |
|---|---|
| Product Type | Artificial grass infill granule / synthetic turf fill material |
| Material | Thermoplastic elastomer (TPE) |
| Environmental Designation | Eco-friendly; green environmental protection; environmentally non-toxic; no radiation |
| Hardness Range | Shore 0A to Shore 65D |
| Temperature Performance | -50°C to 136°C rubber state retention |
| Granule Shapes Available | Five-leaf type; snowflake type |
| Elasticity | Excellent elasticity |
| Wear Resistance | Low wear |
| Chemical Resistance | Corrosion resistant; oil resistant |
| Weather Resistance | Good weather resistance |
| Compliance | Compliant with new national standard |
| Target Substrate | Synthetic lawn turf; synthetic grass turf |
Q1: How does TPE infill compare to SBR crumb rubber infill for compliance with environmental and athlete safety standards?
SBR crumb rubber infill, derived from recycled automotive tires, has been subject to regulatory scrutiny in multiple jurisdictions for the presence of polycyclic aromatic hydrocarbons (PAHs), heavy metals, and other compounds associated with its manufacturing origin. The TPE infill is confirmed as environmentally non-toxic, free of radiation, and manufactured from virgin thermoplastic elastomer compound rather than recycled rubber — eliminating the compound contamination pathways associated with tire-derived infill. The compliance with the new national standard provides a documented regulatory basis for procurement in markets where infill material safety certification is a tender requirement. Buyers in jurisdictions with specific synthetic turf infill regulations — particularly European markets with ECHA or national environmental agency guidance on synthetic turf infill — should request the applicable test report and chemical composition documentation — [Insert Specific Certification / Test Report References if Available] — to confirm the TPE infill meets their jurisdiction's specific threshold requirements.
Q2: What does the -50°C to 136°C rubber state retention range mean for outdoor sports field performance?
Surface temperatures on exposed synthetic turf fields under direct solar radiation can exceed ambient air temperature by 20–40°C, meaning a field in an environment with 35°C ambient air may have a surface temperature approaching or exceeding 70°C on the turf pile and infill layer. The confirmed 136°C upper limit of rubber state retention means the TPE infill retains its elastic and physical properties at surface temperatures well above those recorded in real-world field deployments, preventing the surface hardening and material degradation that can compromise shock absorption performance and turf system longevity at elevated temperatures. At the lower end, the -50°C minimum ensures the infill retains elastic recovery capacity in cold-climate outdoor installations where competing rubber infills stiffen and lose compliance, potentially increasing athlete fall impact risk in winter use. Buyers specifying infill for extreme-climate installations should confirm the applicable hardness grade and granule size with the supplier for their specific climate profile.
Q3: What is the engineering difference between the five-leaf type and snowflake type granule shapes, and how does shape selection affect field performance?
The five-leaf type granule has five elongated lobe projections radiating from a central body, creating a high-surface-area particle with pronounced geometric interlocking capability; when compacted within the turf pile, five-leaf particles mechanically interlock with each other and with turf fiber strands, resisting lateral migration under player loading and reducing the infill redistribution that degrades field performance uniformity over time. The snowflake type granule has a more complex multi-point geometry that, depending on its specific dimensions, can provide a more open packing structure with higher inter-particle void space, which may facilitate drainage performance on fields with high water management demands. Shape selection should be made in conjunction with the turf system designer based on the target sport, field drainage design, applicable performance standard, and the manufacturer's infill depth specification for the turf product. Buyers should confirm whether their turf manufacturer or sports governance body recommends or mandates a specific infill shape for their turf system type.