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Products > New Products > KZJmastery SN802

KZJmastery SN802

Product Name: Set Accelerator for Sprayed Concrete applications in Tunnels, Dams and Ports.
Nowadays, good sprayed concrete requires the combination of many aspects of advanced concrete technology especially concrete admixture chemistry, together with modern materials handling technology. KZJ has professional engneers in all the available technologies for sprayed concrete, including both the wet and the dry spray processes. This allows us to provide the cost-effective set accelerator for each type of project and application.

Application of Sprayed Concrete

Sprayed concrete has a wide application range due to its high flexibility, good economics and good physical properties. However, the sprayed concrete method is requiring a high degree of mechanization and well trained nozzle operators. The application of concrete without any formwork.
Excavation stabilization in tunneling and mining construction
Slope and trenching stabilization
Protective lining & Concrete repair(concrete replacement and strengthening)
Special lightweight load-bearing structures
Restoration of historic buildings (stone structures)
Construction of swimming pools

Description of KZJmastery SN802

It is non-alkali set accelerator overcomes many defects of traditional alkaline accelerator. This product has the characteristics of low strength loss in the later period, safe construction, low dust and rebound amount, etc. It is a new generation of high-performance, chlorine-free and alkali-free environmentally friendly products developed with new materials and new processes. It has good compatibility with various cements and can be used with large imported wet spray machines to reduce construction dust, protect environment and can significantly improve economic efficiency. Non-alkali set accelerator widely used in many projects in domestic and overseas markets.
Features and Benefits of Spray concrete when it use our Alkali free Set Accelerator
Sprayed Concrete has many advantages to any elevations because sprayed concrete adheres immediately and bears. For instance, it can be applied on uneven substrates, Concreted without formworkhas, good adhesion to the substrate, totally flexible configuration of the layer thickness on site and rapid load-bearing skin can be achieved without forms or long waiting times. Dependent on the spray process and the type of structure, different conditions are imposed on the sprayed concrete during application and in service.In tunnel construction sprayed concrete is normally used for excavation stabilization,in open-pit mining and on major construction sites it is typically used for rock and soil stabilization on slopes. In bridge and other civil engineering repair and refurbishment works, sprayed concrete is often used specifically because formwork can thereby be dispensed with.
Alkali Free
Good homogeneity
No layering
Better Durability
Low Rebound Rate
Higher Early Strength
Good Adaptability
Reducing Labor Cost
Reducing the Risk of Cracking & Deformation
The Advantages of KZJmastery SN802

Performance indicators of KZJmastery SN802 Alkali free Set Accelerator

Package and Storage
KZJmastery SN802 is powder type and can be available in 25kg/bags packing or 1000L IBS Tanks packing. Plastic drums should be packed lightly to avoid cracking.It contains non-corrosive and flammable ingredients. It should be stored in well-ventilated and dry warehouse without sunlight and rain.
Health and Safety
It is non-toxic, non-irritative, non-radioactive, non-flammable, non-explosive and non-corrosive, and can be transported as common chemical product. For detailed information about Health, Safety and Environmental Recommendations, please consult us and follow all instructions on the product Material Safety Data Sheet.
Technical Service
KZJ Technical Center is available to support you to use our product in the most proper and best way.