pvc badminton sports floor green indoor sports floor multifunctional sports floor
thickness:3.5mm-5.5mm
color: green
Performance indices
Inspectionn item
Technical requirementes
Results
Decision
Appearance
It is uniform color and luster,without evident chromaic aberration and no crack and stractification
√
Acceptance
Hardness (shorea), HB
60-75
70
Rebound, %
≥8
11
Strength of extension Mpa
≥2.0
3.2
Tensile yield
≥100
152
Smoldering, class
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