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Sandwich System Running Track ：
Sandwich system is in the structure of natural granule surface laid for multiple layers, and it is waterproof, highly elastic and designed in dynamic. The base layer is coated mechanically once mixed with the PU adhesive and the special granule for track as highly flat. Once the surface layer is scratched and filled, it is formed once sprayed with the granule. Its construction is attracted with the process for both types of traditional and vent for track with their advantages. Suitable for large stadiums and schools.
| Item |
International Standard |
Testing Data |
|
|
Thickness (mm) |
13 |
13 |
|
|
Force Reduction |
0℃ |
35-50 |
35.9 |
|
20℃ |
37.3 |
||
|
Vertical Deformation |
0℃ |
0.6-2.5 |
1.69 |
|
20℃ |
1.83 |
||
|
Tensile Strength (Mpa) |
≥0.4 |
≥0.54 |
|
|
Elongation at Break (%) |
≥40 |
≥67 |
|
|
Skid Resistance |
≥47 |
≥60 |
|
|
Fire Resistance |
1 |
1 |
|
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