TRADECC PC Leakinject Hydrogel 6880 - Flexible Foaming Polyurethane Injection Resin

Application

  • Stage 1 stemming of water-flow thorough joints, cracks, voids and defects within concrete structures and steel piled walls.
  • Stage 2 sealing of dry, cracks voids and defects after Stage 1 has been carried out.

Description

A single component polyurethane injection resin that provides a flexible seal in voids and non-structural cracks, or reacts with water to form a flexible, closed-cell foam. The resin is able to seal both pressurised and non-pressurised leaks, whilst its flexibility makes it ideal for applications where movement is expected.

The flexibility of the cured product makes it suitable for cracks and joints where future movement is expected, however the product is applicable in a range of both pressurised and non-pressurised scenarios, including leaks, cracks and voids in the walls and floors of concrete and masonry structures, tunnels, and sewer pipes.


Features and benefits:

  • Absorbs movement within the crack or joint.
  • Penetrates deep into fine cracks.
  • Does not require an additional catalyst where water is present.
  • Exhibits high levels of chemical resistance.
  • Good adhesion to mineral construction materials such as concrete, masonry and mortar.
  • When in contact with water, a dense, closed-cell polyurethane foam expands to fill the crack or void.
  • Where no water is present, TRADECC Leakinject Hydrogel 6880 penetrates deep into the crack or void and cures to form a flexible, polyurethane seal.
  • Fast, uncontrolled reaction in contact with water.
  • Medium to low viscosity.
  • Flexible with low strength.
  • Stable with no further shrinkage or expansion.


Newton ReSeal System:

The Newton ReSeal System consists of a range of Newton’s advanced concrete repair mortars and injection resins to seal structural and non-structural cracks and defects, whether they are dry or leaking large volumes of water.

The products in the Newton ReSeal System can be used to repair a number of defects, including spalled and broken concrete to walls and pillars, road repairs, and cracks and honeycombing to concrete basement wall, soffits and floors.


Suitable substrates:

  • Concrete;
  • Masonry;
  • Mortar.

General information

Color

Yellow/ Pale brown.

-

Finish

Flexible, closed-cell foam

Material

Polyurethane

Shape

Polyurethane liquid

Size

25kg container (resin)

WarrantyDescription

When specified, installed and protected in accordance with the data sheet, fully and permanently isolated from UV light and physical damage or wearing, and only to those substrates confirmed within, TRADECC PC Leakinject Hydrogel 6880 has a service life that can be equal to the design life of the structure

Uniclass 2015

Pr_30_31_76_65 Polyurethane (PUR) construction joint sealantsPrimary

CAWS

C42/340 Crack/ void sealing grouts

Specification data - Polyurethane (PUR) construction joint sealants Enhanced data

Material

Single component polyurethane injection resin.

Product Reference

321-FSP Injection Resin

Foaming

Yes - with water.

Sealing

No.

Viscosity at 20°C

280 mPa/S.

310 mPas.

Viscosity Category

Medium - low.

Water source

Within substrate or added.

Controlled reaction

No.

Final performance

Stable.

Shrinkage

No.

Flexibility

Some.

Working time

Use immediately.

Reaction time

2 minutes.

Rate of expansion

300%.

Adhesion

Good.

Density

1.132 g/cm³.

Viscosity at 5°C

635 mPas.

Viscosity at 10°C

443 mPas.

Viscosity at 15°C

375 mPas.

Viscosity at 25°C

280 mPas.

Viscosity at 30°C

230 mPas.

Application temperature range

+5°C to +30°C.

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