Injection Grouting

ESSRBOND GS500 Injection Grouting

Description of ESSRBOND GS500 Injection Grouting:

ESSRBOND GS500 injection grouting is a hydrophobic grout based on polyurethane. Upon contact with water, ESSRBOND GS500 reacts to closed cell rubber-like foam while expanding its volume up to 27 times. The cured material is of a constant volume. Since water is not a component of the foam structure, the cured material is essentially not affected by water or dryness. The reacted material does not shrink or swell. Depending on the pressure of injection, ESSRBOND GS500 reacts to a very dense material or foam.

Applications:

  • Defective concrete (cracked or honeycombed)
  • Concrete joints, Limestone, Brick construction
  • Pipe intrusions, Wastewater tanks
  • Tunnels, Dams, Subway (Metro), Sewers, Manholes, Utility boxes, etc.
  • Soil stabilization
Category:

Features of ESSRBOND GS500 Injection Grouting:

  • Negative side application possible
  • Deep penetration into very small cracks
  • Foam increases in volume to fill cavities and voids
  • Excellent bond to surfaces
  • Good adhesive strength, tolerant of movement
  • Inert after curing, constant volume, no shrinkage
  • Does not create new cracks

PROPERTIES
RESULTS

Form
Liquid Type
Color
Dark Brown
Solubility in Water
Hydrophobic
Density
1.12 g/ml
Viscosity
100–200
Max. Expansion (25°C)
2,700 % [Ratio 10:1 Resin: Water]
Induction Time (25°C)
15 sec [Ratio 2:1 Resin: Water]
Gel Time (25°C)
110 sec [Ratio 2:1 Resin: Water]
Tensile Shear Strength (23°C)
4 N/mm²
Appearance
Light Yellow Polyurethane Foam
Corrosiveness
Non-Corrosive
Chemical Resistance
Resistant to most organic Solvent, Mild Acids, Alkali

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