Synthetic Running Track Made in China, Find details and Price about China Synthetic Tracking, Running Tracking from Synthetic Running Track Made in China
Inspectionn item | Technical requirementes | Results |
Appearance | It is uniform color and luster,without evident chromaic aberration and no crack and stractification | √ |
Hardness (shorea), HB | 60-75 | 70 |
Rebound, % | ≥8 | 11 |
Strength of extension Mpa | ≥2.0 | 3.2 |
Tensile yield | ≥100 | 152 |
Smoldering, class | 1 | 1 |
Thickness, mm | 5.0±0.5 | 5.1 |
Difference of thickness, mm | ≤0.5 | 0.3 |
Friction coefficient | ≤0.55-0.75 | 0.65 |
Vinyl chloride,mg/kg | ≤5 | Not detected |
Soluble hcavy Metal, mg/sqm | ≤20 cadmium | 0.78 |
≤20 plimbum | 0.39 | |
Volatile content,g/sqm | ≤75 | 7.6 |