| Factor | Higher-Quality Manufacturing | Potential Risk with Lower-Quality Products |
|---|---|---|
| Fiber Material | Virgin PE or PP | Mixed recycled plastics of uncertain origin |
| Cushion Layer | TPE or EVA | Recycled rubber compounds |
| Backing Technology | Solvent-free PU or adhesive-free systems | Solvent-based adhesives |
| UV Additives | High-purity stabilizers | Low-cost additives with inconsistent quality |
| Installation Environment | Well-ventilated outdoor installation | Poor ventilation may prolong noticeable odors |
A slight “new material” smell immediately after installation can be normal for many polymer products and usually decreases as the installation ventilates. Persistent strong chemical odors should be investigated.
International Standards Used to Evaluate Artificial Grass Safety
Rather than relying on advertising claims, buyers should request independent laboratory reports demonstrating compliance with internationally recognized standards.
Common standards include:
| Standard | Purpose |
|---|---|
| REACH (EU) | Restricts chemicals of very high concern (SVHCs) |
| RoHS | Restricts hazardous substances |
| EN 71-3 | Heavy metal migration testing |
| ISO 16000 Series | Indoor air quality and VOC measurement |
| ISO 16000-9 | VOC emission chamber testing |
| ASTM D5116 | Small-scale environmental chamber VOC testing |
| ASTM G21 | Mold resistance evaluation |
| ISO 846 | Resistance to microbial growth |
For projects involving schools, playgrounds, healthcare facilities, or residential developments, requesting third-party laboratory reports is considered best practice.
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