Rapid-Setting Hydraulic Cement Waterproof Plug
Rapid-setting hydraulic cement waterproof plug is a single-component, ultra-fast-setting cementitious product that sets and hardens within 1–5 minutes to stop active water leaks in concrete structures. It is based on modified Portland cement with expansive additives that expand slightly on setting to create a watertight seal even under hydrostatic pressure. Widely used in basement waterproofing, tunnel repair, and dam sealing.
Technical Specifications
| appearance | Grey powder |
| water permeability | Impermeable at 0.6 MPa |
| final setting time (min) | 3–5 |
| initial setting time (min) | 1–3 |
| compressive strength 24h (MPa) | ≥20 |
Applications
- Active water leak stopping in basements and tunnels
- Sealing around pipe penetrations and construction joints
- Dam and water structure emergency repair
- Underwater concrete repair applications
- Sealing cracks and holes under hydrostatic pressure
Key Features
- Ultra-fast set in 1–5 minutes to stop active water leaks
- Slight expansion on setting ensures watertight contact with substrate
- Can be applied by hand under flowing water conditions
- Develops high early strength for quick return to service
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