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Bentonite cord "Gidrostop" 5x20, 10x20, 15x25, 20x30 is made of sodium bentonite, which swells under the influence of water. Bentonite is a natural clay mineral that swells and increases in size when in contact with water. In a confined space, it creates tension that reduces water permeability, even in the presence of cracks and porous areas in concrete. Due to this, it is an ideal material for reliable waterproofing of concrete structures. Excellent technological performance and simple installation method make it possible to use the product as an insulating material for joints in underground construction, hydraulic structures and civil engineering.
Waterproofing bentonite cord "Hydrostop" round, 22 mm. During the installation process, a plastic non-removable tube d22 is inserted into the formwork before pouring concrete, which contains a tightening screw for tightening the formwork panels. After unblocking during the release of the tightening screw from the tube, it is necessary to close the hole. The round bentonite cord is ideal for sealing holes that remain in the concrete, after which the edge is covered with a waterproofing solution. The installation system is very simple. Excellent technological performance and a simple installation method make it possible to use the product as an insulating material for sealing holes in underground construction, on hydraulic structures and in civil engineering. Bentonite cord "Hydrostop" has a diameter of 22 mm and is used in monolithic construction to seal holes for the tightening screw. Made from bentonite clay, it swells upon contact with water and increases in volume fourfold. Bentonite cord adheres securely and firmly to the surface of the concrete, filling seams, joints and the smallest voids in the concrete body, forming a reliable protective layer.
Main characteristics:
- excellent technological performance
- simple installation method
- the ability to use the product as an insulating material
- for joints in underground construction
- use in hydraulic structures
- use in civil engineering
Advantages:
- low cost
- easy installation (does not require highly qualified installers and special tools)
- wide operating temperature range without loss of properties -30° to +50 °C
- installation on wet substrates possible
- plasticity
- withstands hydrostatic pressure up to 7 atmospheres.
Sold in boxes of 5 m.p.
| Density, g/cm3 | 1.5 |
| Color | Red |
| Packaging | Rolls of 5 m |
| Boxes | 40 m (8 rolls) |
| Flexibility on a beam with radius R | 25 mm |
| at temperatures of minus 30 °C | no cracks |
| at temperatures of plus 50 °C | no cracks |
| Volumetric expansion after exposure to water, % | -after 24 hours: 25 -after 48 hours: 80 -after 7 days: 210 |
| Breaking force during stretching, N, not less than | 18 |
| Compared elongation at break, % not less than | 25 |