| 
Items
 | 
Index
 | 
| 
Pencil hardness (scratch) 
 | 
≥2H
 | 
| 
tensile bond strength MPa
 | 
standard condition
 | 
≥2.0
 | 
| 
after soaking
 | 
≥2.0
 | 
| 
wearability(750g/500r)/g,
 | 
≤0.03
 | 
artificial weathering ageing resistance d(400h)
 
 
 | 
No bubble, no peeling, no crack; Powder ≤1 grade, △E≤6.0
 | 
| 
impact resistance (1) 
 | 
steel ball,500g, 100cm.No crack, no peeling
 | 
| 
shock absorption
 | 
≥4%
 | 
| 
compression strength≥
 | 
50 MPa
 | 
| 
skid resistance(dry friction coefficient)
 | 
≥0.50
 | 
| 
skid resistance(wet friction coefficient)
 | 
≥0.70
 | 
| 
water resistance (168h)
 | 
No bubble, no peeling, no discoloration
 | 
| 
chemical resistance
 | 
oil resistance (120# gasoline, 72h)
 | 
No bubble, no peeling, no discoloration
 | 
| 
resistance to alkali(20%NaOH,72h)
 | 
No bubble, no peeling, no discoloration
 | 
| 
acid fastness(10%H2SO4,48h)
 | 
No bubble, no peeling, no discoloration
 | 
| 
fire resistance(GB8624-2012)
 | 
B1-class (retardant materials) 
 | 
| 
Cigarette ignition resistance(GB/T15102-2006)
 | 
No spots, crack, blister and other changes
 | 
| 
Shock absporption,dB(GB/T11982.2-1996) 
 | 
≥10
 |