ART-ZQB is a hardening accelerating admixture for sprayed concrete which has the advantages of increase viscosity, good early strength, enhance strength, water retention. It is non-toxic, non-flammable, no corrosion of steel and harmless to human health. It is a high-performance hardening accelerating admixture for use in the wet-mix spraying process. It has good early strength and long-term strength retention rate. It can effectively improve work efficiency and reduce engineering costs, especially suitable for early high-strength shotcrete. Compared with the main hardening accelerating admixture products on the market, it has obvious advantages in technical performance index and cost performance.
Items | Performance |
Appearance | milky white liquid |
Solid Content /% | 11.0±1. 1 |
pH | 10.5±1 |
Density/g/cm | 1.05±0.02 |
Chloride content | ≤0. 1% |
Particle size distribution/nm | 90±10 |
Underground engineering
Mine roadways, traffic tunnels, hydraulic tunnels, underground railways and all kinds of underground tunnels(underground power station, warehouse, etc.) of the supporting lining of the shotcrete.
Rock engineering
Support in wall slopes, excavations, embankments, reservoir engineering , water channels, etc.
Repair and reinforcement works
Bridges, seawalls, repair dams, docks, cooling towers, chimneys and the reinforcement of buildings, and the chemical corrosion of oilfields, the building structure repair such as fires, earthquakes, explosion shock overload or poor construction, etc.
Protection engineering
All kinds of structure of the fire and corrosion protection, as well as waterproof and plugging engineering.
Fire resistant engineering
The construction and repair of the chimneys and various thermal furnace pits.
Recommended dosage: 4% – 6% of the total cementitious materials; exact rate must be determined in advance through trial mixes according to raw materials, job-site conditions, construction codes and technical requirements.
During spraying: Operate strictly in accordance with the specification, ensuring uniformity, levelness and compactness of the shotcrete layer.
Combined use with other admixtures: Check compatibility beforehand to prevent precipitation or line blockage.
Curing: Provide appropriate curing whenever project conditions or specifications require.
Temperature: Maintain substrate and ambient temperature above 5 ℃; low-temperature application can impair product performance.
GB/T 8076-2008
ASTM C494 TYPE C
EN934-2
IBC Tank or Flexitank for customer demand
It should be stored in a cool and dry place, avoiding direct sunlight, and kept in a dedicated warehouse or a fixed location maintain temperature between 5 ℃ and 35 ℃.
The effective storage period is 3 months. It can still be used after being tested and verified to be qualified if it exceeds the time limit.
When changing the type of cement or using newly delivered cement, a compatibility test should be conducted.
Do not use in combination with naphthalene-based admixtures. When using in combination with other admixtures, compatibility tests should be performed.
Strictly follow the construction specifications during application.
The product information is only used to describe the product's characteristics and functions, and it is not a guarantee. Users are also required to carefully test the product's functions and its suitability. The functions and suitability of the product must be verified through testing conducted by qualified professionals.
Retaining or disclosing product samples without the company's explicit permission is strictly prohibited.
In addition to the product quality itself, the actual performance also depends on other uncontrollable factors. If there are uncontrollable factors, company cannot guarantee the performance of the product.
Users are requested to strictly follow the technical guidance and product instructions for use. The company shall not be liable for any consequences resulting from unauthorized changes to the product usage method without the company's authorization.
Railway tunnel construction
In a tunnel of the Xi'an-Chongqing Railway, after using our ART-ZQB, the 8-hour strength of C30 high-early strength sprayed concrete was increased by 150%. After testing through large-panel spraying and cutting, as well as core drilling sampling, the compressive strength reached 11.3 MPa at 8 hours and 21.4 MPa at 1 day, both of which meet the design requirements for high-early-strength sprayed concrete.
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