| Mechanical property |
| Testing items | Standards and methods | Inspecting index |
| Impact strength | GB/T1732-1993, AS3715 2.8 | >50kg/cm |
| Bending resistance | GB/T1185-88, AS1580 402.1, ISO9227 | Pass 2-5 millimeters |
| Adhesion CHECKED TEST | GB/T9286-88,2mm Cross cut, ISO2409 | Pass100/100, passes 0 levels |
| Cupdrawing:Erichsen, ISO1520 | Erichsen, ISO1520 | Pass 3-7 millimeters |
| Pencil hardness | GB/T6739-86, Mitsubishi | Pass H-2H |
| Chemical resistance and weather resistance |
| Salt spray test | GB/T1771-91,500 hours | The cross section of corrosion less than 2MM |
| Hot and damp resistance test | GB/T17740-79(89),1000 hours | Without air bubbles, loses the light slightly |
| Acid resistance | 10% CH3COOH, 240 hours | Without air bubbles, the surface without damage |
| Alkali resistance | 10% NaOH, 240 hours | Without air bubbles, the surface without damage |
| Heat resistance | 200degree,1 hour | The color change is lower than E=1.5 |
| Solvent resistance | MEK24 hours soaked in solvent-free | Without air bubbles, the surface without damage |
| Uvioresistant | QUV-313,500 hours | Gloss higher than 80% lower than the
Munsell color change level |
| Water tolerance of | 2 hours | No bubble, not falling, losing light |
Complaint
