| 产品名称 |
高模量聚氨酯建筑密封胶 |
| 产品型号 |
力键280 |
| 外观 Appearance |
黑色,白色,灰色,均质膏状 |
| 密度 Density(g/cm3) |
1.35±0.05 |
| 表干时间 Touch Dry time(min) |
≤180 |
| 挤出性 Extrudability (ml/min) |
≥80 |
| 下垂度Sagging properties(mm) |
0 |
| 硬度Shore A-hardness(A0) |
40±5 |
| 拉伸强度Tensile strength (MPa) |
≥1.2 |
| 挥发性 Volatile content(%) |
≤4 |
| 断裂伸长率Elongation at break(%) |
≥600 |
| 拉伸模量Stretch modulus (23℃/Mpa) |
>0.4 (20HM) |
| 固化速度Curing speed (mm/24h) |
3~5 |
| 弹性恢复率 Elastic recovery rate(%) |
≥85 |
| 污染性Pollution properties |
无 |
| 施工温度Application temperature(℃) |
+5~+35 |
| 保质期Shelf life(month) |
9 |