Injection waterproofing Teknopur

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Injection waterproofing Teknopur

Hydroactive two-component injection material with low viscosity based on polyurethane.

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Hydroactive two-component injection material with low viscosity based on polyurethane. Used to fill cracks and internal voids of significant volume for the cutoff of moisture, active leaks and groundwater in structures of concrete, reinforced concrete and stone.


Applications:

  • high water pressure design
  • lock water leak in retaining wall
  • cracks in rocks and soils
  • the joints and cracks of concrete structures
  • in tunnel construction with membrane coverings


Advantages

  • after grouting creates a solid rigid connection
  • not flammable, contains no solvents
  • curing time is reduced to seconds when used with catalyst
  • resistant to most organic solvents, weak acids and microorganisms after curing


Usage instructions

The surface must be cleaned of the weak parts of the cracks or joints. Using the repair composition Teknoplug, cover the crack with a leak having a width greater than 3 mm. depending on the diameter of the used injector (packer), holes are drilled at an angle of 45 degrees. If the crack is on a slope, it is recommended to drill holes on both sides of the crack. Distance from hole to crack is half the thickness of the concrete. Distance between holes of 15-90 cm, depending on the surface.

Packers must be used in accordance to applied pressure that will occur during the injection Teknopur.

Chemical structure

Polyurethane resin

Packaging

Set (A b) 20 kg

Shelf life

12 months in unopened original packaging

Isocyanates

17 ± 2%

Density

Component A: 1,15 ± 0,03 g/ml

The catalyst: 0,90 ± 0,03 g/ml

Viscosity

Component A: 50-100 MPa*s

Catalyst: 40-60 MPa*s

The point of origin

> 100 °C

 

The amount of catalyst/

Curing time (20 °C)

 

The Ratio V/I

1/100

1/50

1/20

1/15

1/10

Time, sec

300

120

60

45

30