| Project | Index | Testing standard |
| Appearance | Uniform viscous liquid,without impurities | visual inspection |
| Viscosity (mPa·s£¬25‘ζ) | 1.5±0.3 (it has difference for different hardness) | GB/T2794-1995 |
| Surface drying time (Min) | 20-45 | GB/T2765-1995 |
| Peel strength (N/2.5cm) | 8.0±2.0 | GB/T2791-1995 |
| elongation at break (%) | ≥50£₯£300£₯ | GB/T2788-1995 |
