Test Items | Q/GZJTHG 8-2018 | Measured Value | |
Appearance | Homogeneous, smooth paste; no bubbles, skinning, or impurity | Homogeneous, smooth paste; no bubbles, skinning, or impurity | |
Density, g/cm3 | Specified value ±0.1 | 1.6 | |
Extrudability, ml/min | ≥80 | 200 | |
Sag degree | Vertical, mm | ≤3 | 0 |
Horizontal | No deformation | No deformation | |
Tack-free time, min | ≤60 | 40 | |
Curing speed, mm/24h | ≥3.0 | 3.7 | |
Solid content, % | ≥95 | 99.2 | |
Tensile Strength, MPa | ≥1.8 | 2.0 | |
Elongation at break, % | ≥400 | 405 | |
Shear strength, MPa | ≥1.2 | 1.5 | |
Tear Strength, kN/m | ≥5.0 | 6.2 | |
Hardness, Shore A | 30~60 | 44 | |
Low-temperature flexibility | -40℃ no crack | no crack | |
Peel Adhesion | ≥90% CF | 100% CF |