Crack Repair

  • HP-3 Epoxy Injection Resin

  • HP-3 Epoxy Injection Resin

HP-3 Epoxy Injection Resin

Seeking low-viscosity epoxy injection resin with high strength for tunnel void filling--- HP-3 flows deep and holds strong.

  • Low viscosity below 30 mPa.s for excellent penetration, with compressive strength over 70 MPa.

  • Tensile strength exceeding 8.0 MPa at low viscosity, enhancing hydraulic dam crack filling.

  • Wet bond above 2.5 MPa, reliable for moist foundation soil stabilization.

  • Elongation greater than 400%, flexible for temperature crack reinforcement.

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Product Introduction

Handling tunnel void filling  HP-3 Epoxy Injection Resin provides low viscosity for seamless infiltration paired with high compressive strength over 70 MPa.

It complies with JC/T 1041-2007, making it ideal for filling gaps in tunnels or subways, repairing temperature cracks in concrete, stabilizing foundation soil, and sealing hydraulic dams.

With operable time >30 minutes and a non-toxic composition, it's practical for pros needing reliable, high-strength solutions.


Product Parameters

ItemIndex
Density (g/cm³)>1.00
Viscosity (mPa.s)<30
Operable Time (min)>30
Compressive Strength (MPa)>70
Tensile Strength (MPa)>8.0
Bending Strength (MPa)>15
Dry Bond Strength (MPa)>4.0
Wet Bond Strength (MPa)>2.5
Tensile Shear Strength (MPa)>1.2
Elongation at Break (%)>400


Product Usage

Clear voids before injecting HP-3 for tunnel void filling with high-strength epoxy.

Apply to dam cracks, benefiting from low viscosity and strong bonding.

For foundation stabilization, inject and cure 24-48 hours for optimal results.

Use on temperature cracks in concrete, where elongation prevents future issues.

In subway projects, leverage wet bond strength for effective moist-condition repairs.


Packaging and Storage:

  • Component A: 9kg/drum

  • Component B: 3kg/drum

  • Shelf Life: 12 months in proper storage conditions


Product Documentation

HP-3 Epoxy Injection Resin

HP-3 Epoxy Injection Resin: Low Viscosity High Strength for Tunnel Void Filling & Concrete Crack Reinforcement

HP-3 Resina Epóxi de Inyección

Resina epóxi HP-3 para llenado de vacíos en túneles con baja viscosidad y alta resistencia.

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Start Enhancing Your Business With a Concrete Solution Today

Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.


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+86 153 7387 2353 Manager Guo

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