Jintongbao Technology Group Co. , Ltd.
Underwater Non-Dispersive Grout

Underwater Non-Dispersive Grout

JTB Underwater Non-Dispersive Grout, also known as underwater non-dispersible special grout, is a powdered grouting material compounded from water-soluble polymer compounds, surface active substances, and other components. It offers strong anti-dispersion properties and good flowability.

Product Features

• Reliable anti-dispersion in water
• High flowability
• Non-polluting to water
• Self-leveling & self-compacting
• Waterproof & corrosion resistant

Applications Scenarios

• Underwater leveling & filling for caissons, cofferdams, box caissons, riprap, and RC slabs
• Large-diameter bored piles, docks, dams, reservoirs repair
• Waterproofing & impact reinforcement for drainage slabs, underwater caps, seawalls, slopes
• Pile sealing & leak plugging, underwater projects difficult for ordinary concrete

Construction Craft

• Formwork/Shuttering: The area to be grouted shall be supported with formwork. The top of the formwork shall be at least 20 cm higher than the water surface, and it must be ensured that the water inside the formwork remains static.
• Mixing Ratio and Procedure: Weigh out Jintongbao Underwater Non-Dispersive Grout and add water at 12% of its weight. Mix thoroughly until uniform; mixing time is approximately 3 minutes.
• Grouting: Pour the uniformly mixed Jintongbao Underwater Non-Dispersive Grout into the formwork. Tap the formwork sides appropriately as needed. During the grouting process, the water inside the formwork will be continuously displaced and discharged as the grout is poured in, until grouting is complete and all excess water is expelled.

Precautions

• Electric vibrating rods are strictly prohibited.

• Strictly follow the water‑cement ratio of 12%‑13%.

Packaging and Storage

Packaging specification: Kraft paper woven bag, 50 kg per bag.

Storage: Protect from moisture during transportation and storage.

Shelf life: Generally 6 months. The product may still be used if kept dry.

Safety Specifications

Wear a dust mask, safety goggles, and protective gloves during application;
In case of skin or eye contact, rinse immediately with plenty of clean water. Seek medical treatment promptly if symptoms are severe.

Key Technical Indicators
Inspection items Indicator Result
Bleeding rate (%) <0.5 0.45
Gas content (%) <4.5 3.6
The change in slump over time (mm) 30min <30 26
Anti-dispersion property Content of suspended solids (mg/L) <150 136
pH value <12 10.1
Content of suspended solids (h) Initial condensation >5 6
Final condensation <24 21
Water-land strength ratio (%) 7d >60 68.1
28d >70 81
Construction Gallery

JTB are committed to providing customers in all sectors with valuable products and
solutions that offer convenience and efficiency.

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About
Jintongbao Technology Group Co. , Ltd.
Jintongbao Technology Group Co., Ltd. is a service provider of reinforcement system solutions integrating R&D, production, sales and construction. Since its establishment, the company has been deeply engaged in the field of reinforcement.
Currently, it has three large-scale production bases in Zhenjiang, Jiangsu Province, Jinhua, Zhejiang Province, and Dongguan, Guangdong Province, with a total production capacity of over 500,000 tons. Among them, the factory in Zhenjiang, Jiangsu Province, holds an important position in the company's production system. The factory covers a vast area and has standardized, modern production facilities. The large-scale production layout enables it to have a strong capacity reserve, and its annual production capacity ranks among the top in the company's three major production bases. This enables the Zhenjiang factory to achieve large-scale, continuous production of grouting materials and other products and to respond quickly to large-scale supply demands. Meanwhile, we have a sales network covering the whole country as well as some countries and regions in Southeast Asia. We can ensure the convenience and efficiency of providing valuable products and solutions for customers in various fields, such as urban renewal, airports, Bridges and tunnels, waterproofing and anti-corrosion, wind power and nuclear power, etc.
Our company has always adhered to taking technological innovation as its core competitiveness and attaches great importance to and supports technological innovation.  Our R&D center is equipped with advanced experimental equipment and R&D tools, providing a solid hardware foundation for innovative work. Meanwhile, the R&D center boasts a high-level R&D team. As an industry benchmark leader, we attach great importance to industry innovation and were the 1st to propose the concept of "from reinforcement to pre-reinforcement". Actively leverage its industry experience and technological advantages to assist in the formulation and introduction of new standards, enabling it to better serve the industry and promote its healthy and sound development.
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