Henan Xijian New Building Materials Co., Ltd
Product
Alkali-free liquid rapid-setting agent
Alkali-free liquid accelerator for shotcrete or cement mortar applications. It is alkali-free, chloride-free, exhibits excellent bonding performance, low rebound, high late-age strength retention, and superior impermeability.
Category:
Municipal products
Keywords:
Introduction
Product Overview
Alkali-free liquid accelerator for shotcrete or cement mortar applications. It is alkali-free, chloride-free, exhibits excellent bonding performance, low rebound, high late-age strength retention, and superior impermeability.
Product Specifications
Test Items |
Technical Requirements |
Performance Metrics |
Density ρ (g/cm³) |
1.42±0.03 |
1.42 |
Solid Content G (%) |
43±1 |
42.5 |
pH value |
For manufacturers with a rating of ≥2.0, control shall be within ±1; |
2.3 |
Total Alkalinity |
≤1.0 |
0.6 |
Chloride ion content (%) |
≤0.1 |
0.06 |
Stability (volume of the supernatant or bottom sediment) |
≤5ml |
0.1ml |
Initial setting time and final setting time |
Initial set ≤ 5 min, final set ≤ 12 min |
Initial setting: 1 min Final setting: 1 hour and 30 minutes |
Mortar strength |
1d ≥ 7.0 MPa, 28d ≥ 90 MPa, 90d ≥ 100 MPa |
1d, 9.0 MPa 28 days, 95 MPa 90 days, 110 MPa |
Implementation Standard |
Complies with the relevant requirements of GB/T 35159. |
Compliant with |
Product Advantages
1. Product appearance: milky white, uniform liquid.
2. The concrete is pre-mixed, with the water-cement ratio controlled at the batching plant, which ensures greater accuracy and results in smaller fluctuations in concrete strength.
3. Pre-wetting the concrete significantly reduces dust, improving the working environment for workers, decreasing the incidence of dust-related occupational diseases, and promoting employees’ physical health.
4. Reduced concrete rebound results in less waste and cost savings.
Scope of Application
This product is suitable for shotcrete construction and leak-stopping in underground engineering projects, including mining engineering, coal mining, shaft and tunnel engineering, chamber construction, highway and railway projects, transportation tunnel projects, sprayed-and-anchored concrete support, urban construction, national defense, and water conservancy, as well as for rapid surface cement-concrete placement and emergency rescue, repair, and reinforcement of concrete structures.
How to use
1. Prior to use, compatibility tests shall be conducted on construction materials such as cement to determine the appropriate dosage. The recommended dosage is 6–9% of the cement mass, with a water-to-cement ratio of 1:0.35–0.40.
2. During construction, the water-cement ratio must be strictly controlled; an excessively high ratio will prolong the setting time.
3. The corresponding amount of water added should be deducted from the amount of this product incorporated.
4. After concrete placement, thorough water curing shall be implemented to enhance its strength.
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Contact Information
Phone:+86-400-6786-157
Mobile phone:+86-13838719394
Email:m13838719394@163.com
Address: 30 meters ahead of the South Ring Bridge No. 2, South Ring Road, Industrial Park, Shangji Town, Xichuan County, Nanyang City, Henan Province
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