Grouting material

  • Post-Tensioning Grout(Duct Grout)

  • Post-Tensioning Grout(Duct Grout)

  • Post-Tensioning Grout(Duct Grout)

Post-Tensioning Grout(Duct Grout)

High-flow cementitious grout for post-tensioning ducts. Zero chloride, ASTM C939/EN 447 compliant, non-shrink with  anti-corrosion. Ideal for bridges, wind farms & nuclear plants. It consists of two components, a component for normal weather use and b component for cold weather construction.


Keywords: 

Post-Tensioning Grout (PT Grout)

Duct Grout

Cementitious Grout for Prestressed Tendons

Bridge Tendon Grouting Material




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Product Introduction

Product Overview

Full Duct Filling with Anti-Corrosion Protection;Good fluidity, no water secretion, no delamination; Full early strength and micro-expansion of slurry; One-time slurry construction, dense slurry in the pipe without porosity; Pre-stressing steel does not rust, and concrete bond is strong.



Why Choose Us?


1.Cementitious, non-metallic grout with two-stage shrinkage compensation, eliminates cracking in plastic & hardened stages 

2.Zero chloride content (<0.05%) + corrosion inhibitor– protects prestressing tendons in harsh environments (marine, de-icing salts)

3.Ultra-high fluidity (11-30s flow time per ASTM C939) – ensures complete void filling without segregation

4.Operable from -5°C to 40°C – superior low-temperature curing vs. competitors (e.g., SikaGrout 300PT: +5°C min)

5.Pre-mixed, just add water – no special equipment required


Applications

  • Bridge tendon grouting: Full duct filling for corrosion protection in highway/railway bridges

  • Nuclear power plants: Low permeability + chloride-free for safety-critical structures

  • Offshore wind farms: Saltwater-resistant protection for turbine foundations

  • High-rise buildings: Prestressed slab/beam duct grouting


Construction process

1. Before use, carry out trial mixing to determine the best ratio, H-60A (H-60) recommended mixing amount of 10%.

2. Mixing: should be used at a speed of not less than 1000rpm/min high-speed mechanical mixer mixing mixing order is: first add water to the appropriate scale, open the mixer, uniformly add the mortar agent, and then uniformly add the cement; all the powder to join the end of the mixing and then stir for 3 to 5 minutes to press the mortar.

3. Grouting: grouting as soon as possible after mixing, should take the usual grouting methods to ensure continuous pouring.

4. Protective measures: Wear protective gloves and goggles during construction.

5. Cleaning:Clean all construction tools and equipment with water.


Product Parameters

Performance metrics

Test itemH-60BH-60A
Water-cement ratio (%) ≤0.330.26 ~0.28

Setting time (h)           Initial condensation 

                                    Final condensation

≥4

24

≥5

≤24

Water discharge rate (%) 00

Fluidity (25°C)              Initial flow 

                                    30min flow 

                                   60min flow 

14~22

30

-

10~17

10~20

10~25

Pressure discharge rate (%)2.5≤2.0



Packaging and storage

Packed in composite kraft paper bag, net weight 40kg/bag, A component is:40kg/bag, B component is:40kg/bag.shelf life is 6 months.

It should be stored in dry and ventilated room, with the bag tightly closed, pay attention to moisture-proof and anti-freezing.




Product Documentation

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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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Tel.:

+86 153 7387 2353 Manager Guo

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