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Rubber Waterstop is widely used in construction concrete joints. It is designed to meet waterproof standards of construction joints by increasing the combination areas of two concrete placements.
| No. | Item | Index (B.S.) | Index (JS) | Index (JX) |
|---|---|---|---|---|
| 1 | Hardness (Shore A)/ degree | 60±5 | 60±5 | 40-70 |
| 2 | Tensile strength/ MPa >= | 10 | 16 | 16 |
| 3 | Elongation at break/ % >= | 380 | 400 | 400 |
| 4 | Compression set (70ºC×24h) <= | 35% | 30% | 30% |
| 5 | Tear strength/ (KN/m) >= | 30 | 30 | 20 |
| 6 | Brittleness temperature/ ºC <= | -45 | -40 | -50 |
Based on position: Buried waterstop (CB type with holes, CP type without holes) and Back stick waterstop (EB type with holes, EP type without holes). Steel edged rubber waterstops are also available.
