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 |