Polyurethane Injection Systems
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Polyurethane resin injection, also known as PU injection, is an effective waterproofing technique that prevents water from flowing through cracks and gaps. This method is an ideal solution for crack sealing, especially in large-scale structures such as concrete structures, tunnels, dams and mines.
Leaking concrete structures can be permanently crack repaired using polyurethane resin. Polyurethane resin reacts with water to form a waterproof foam. These resins vary in rigid and semi-rigid, flexible and semi-flexible foam forms. When polyurethane resin comes into contact with water, a chemical expansion occurs, which is extremely effective in filling concrete cracks. In addition, polyurethane resin helps protect concrete and rebar, preventing steel corrosion and maintaining the integrity of the structure.
PURINSEAL General Broshure
22.10.2024
| Products | Structure | TDS |
|---|---|---|
| PURINSEAL Table 101 | General product tables. | |
| PURINSEAL EN 101 | PURINSEAL EN 101 is a one-component, hydrophobic, polyurethane injection resin used with a catalyst. It is suitable for use in hot climates. When the systems comes into contact with water, it reacts to form a semi-flexible foam and has a closed-cell foam structure. | |
| PURINSEAL EN 105 | PURINSEAL EN 105 is a polyurethane injection resin with an accelerator. It is a MDI-based, low viscosity, highly reactive product that activates with water to form a flexible foam. | |
| PURINSEAL EN 106 | PURINSEAL EN 106 is a single-component, hydrophobic, polyurethane injection resin used with a catalyst. It is suitable for use in hot climates. It is an MDI-based, highly reactive product with a closed-cell foam structure that is activated by reacting with water and forms a flexible and durable foam. | |
| PURINSEAL EN 112 | PURINSEAL EN 112 is a one-component, hydrophobic, polyurethane based injection resin used with a catalyst. It is a MDI-based, very low viscosity, highly reactive product that activates with water, producing a semi-rigid polyurethane foam. In non-moving cracks, a semi-rigid product. | |
| PURINSEAL EN 113 | PURINSEAL EN 113 is a one-component, hydrophobic, polyurethane injection resin used with catalyst. It is MDI-based, low viscosity, highly reactive product that activates with water to form a flexible foam. A flexible product is usually injected in a moving crack to absorb the movement. | |
| PURINSEAL EN 114 | PURINSEAL EN 114 is a one-component, hydrophobic, fast and highly reactive polyurethane injection resin used with catalyst. When the system comes into contact with little amount of water, it reacts to form a rigid foam. It is used in ground stabilization applications in cracks. | |
| PURINSEAL EN 115 | PURINSEAL EN 115 is a one-component, hydrophobic, polyurethane injection resin used with 5% catalyst. It is a MDI-based, low viscosity product that activates with water to form a semi rigid foam. It is designed to stop water flow from cracks and has a closed-cell foam structure. | |
| PURINSEAL EN 116 | PURINSEAL EN 116 is a one-component, hydrophobic, polyurethane injection resin used with 5% catalyst. It is a MDI-based, low viscosity, highly reactive product that activates with water to form a semi rigid foam. It is a highly reactive product, designed to stop water flow from cracks. | |
| PURINSEAL EN 301 | is a special binder and catalyst mixture for polyurethane prepolymer resins. | |
| PURINSEAL EN 401 | PURINSEAL EN 401 is a two-component, non-foaming injection resin. It reacts in a dry environment and forms a semi-flexible seal. In contact with water, it creates flexible foam up to 2 times its volume. When the components are mixed in the proportions supplied reacts to form a tough. | |
| PURINSEAL EN 402 | PURINSEAL EN 402 is a two-component, non-foaming, fast-reacting polyurethane injection resin. It reacts in a dry environment and forms a hard seal. In contact with water, it creates a hard foam up to 2 times its volume. This resin was developed for the consolidation and waterproofing . | |
| PURINSEAL EN 403 | PURINSEAL EN 403 is a two-component injection resin that reacts without water with a mixture of two components and forms a hard foam. It is used in underground structures to fill voids, reinforce broken layers and stabilize the ground. It has high expansion factors that can safely fill large | |
| PURINSEAL EN 404 | PURINSEAL EN 404 is a two-component, low viscosity polyurethane injection resin designed to react in both wet and dry environments. In contact with water, it reacts with the mixture of two components and forms a rigid foam. In dry environment, it reacts to form a rigid and impermeable seal. | |
| PURINSEAL EN 404S | PURINSEAL EN 404S is a two-component, low viscosity polyurethane injection resin designed to react in both wet and dry environments. In contact with water, it reacts with the mixture of two components and forms a rigid foam. In dry environment, it reacts to form a rigid and impermeable seal. | |
| PURINSEAL EN 405 | PURINSEAL EN 405 is a two component injection resin, used for filling low volume voids and small cracks that occur in tunnels and mines. This product, which is especially used in coal mines, creates 100oC (max.) heat with the reaction of two components and eliminates the risk of coal ignition. | |
| PURINSEAL EN 406 | PURINSEAL EN 406 is a two-component, low viscosity polyurethane injection product. It quickly forms an elastic foam when in contact with water and provides a super elastic polyurethane injection that does not swell when not in contact with water. It is used in moving areas. | |
| PURINSEAL EN 450 | PURINSEAL EN 450 is a two-component, low viscosity, water reactive product. When the products comes in contact with water, it forms a flexible foam and seals the crack with its close cell structure. | |
| PURINSEAL EN 451 | PURINSEAL EN 451 is a two-component, solvent free, low viscosity polyurethane injection resin. It reacts without water to form a flexible structure for polyurethane injection . It is a crack injection resin for moving soils and provides permanent sealing |
EN 101
EN 105
EN 106
EN 112
EN 113
EN 114
EN 115
EN 116
EN 301
EN 401
EN 402
EN 403
EN 404
EN 404s
EN 405
EN 406
EN 450
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Polyurethane Injection Systems: A Comprehensive Guide
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