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JT-PCA Polycarboxylate Superplasticizer

JT-PCA Polycarboxylate Superplasticizer

Zhongsen brand PCA series products (pumping agent) can provide customers with optimized personalized products and technical solutions according to the actual needs of the project. This series of products can greatly reduce the water-to-binder ratio, save the amount of cement, and improve the strength and durability of concrete; significantly improve the retention capacity of concrete slump over time, improve workability, reduce pumping viscosity, and improve pumping construction efficiency and construction quality ; Has strong adaptability to cement and mineral admixtures, low sensitivity.
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Zhongsen brand PCA series products (pumping agent) can provide customers with optimized personalized products and technical solutions according to the actual needs of the project. This series of products can greatly reduce the water-to-binder ratio, save the amount of cement, and improve the strength and durability of concrete; significantly improve the retention capacity of concrete slump over time, improve workability, reduce pumping viscosity, and improve pumping construction efficiency and construction quality ; Has strong adaptability to cement and mineral admixtures, low sensitivity.

This product refers to the implementation of GB/T8076-2008 "Concrete Admixture", GB/T8077-2012 "Concrete Admixture Homogeneity Test Method", JG/T223-2007 "Polycarboxylate High Performance Water Reducer" standards.

 

1. Technical indicators

1. High water reduction rate: The water reduction rate of the product is 20-30%, which can meet the requirements of different grades of concrete water reduction rate.

2. Excellent adaptability: good compatibility with different varieties of cement and admixtures, and good temperature adaptation;

3. Low slump loss: In line with the pumping agent standard, the slump loss is significantly reduced;

4. High durability: effectively reduce the concrete water-binder ratio, improve durability, reduce shrinkage and creep;

5. Indicators: solid content 10±2%, water reduction rate≥20%, density 1.06±0.02kg/m³

2. Homogeneity index

According to product performance indicators and user requirements, it conforms to national, industry and enterprise standards.

3. Scope of application

This product is suitable for domestic and foreign nuclear power, hydropower, bridges, high-speed rail, high-rise buildings, municipal civil and other fields, as well as concrete suitable for key projects and special requirements.

4. Use examples

Trial test results of C30 concrete in a commercial mixing station of Zoomlion

Test number

Cement kg/m³

Mineral powder kg/m³

Fly ash kg/m³

Machine-made sandkg/m³

1-2 stone kg/m³

1-3 stone kg/m³

Water kg/m³

Additives/%

Initial performance/mm

2h performance/mm

Admixtures in use

220

80

80

875

850

120

165

2.0

220/550

150/380

Zhongsen Admixture

220

80

80

875

850

120

165

2.0

230/560

215/530

5. How to use

1. The dosage range of this product is 1.8-2.2% (calculated by the amount of cementitious material), and the optimum dosage can be adjusted within the recommended range according to the requirements of adaptability to cement, temperature changes and concrete slump.

2. When calculating the water consumption of concrete, the water in the liquid agent should be deducted.

3. When using this product, the compatibility with the cement should be checked in advance according to the concrete trial mix.

6. Packaging and storage

1. It can be transported by tanker; plastic barrels 1000kg/barrel; special packaging can also be made according to user requirements.

2. The warranty period of this product is one year. If there is any precipitation during the warranty period, it will be used after stirring, which will not affect the effect.

7. Precautions

1. When the cement variety is updated or the cement is newly introduced, the compatibility test with the cement should be carried out.

2. For concrete requiring retardation, the setting time should be checked in advance according to the concrete trial mix.

3. The correct amount must be added according to the test mix ratio. When pouring concrete, it should be operated in strict accordance with the construction specifications.

4. During construction in winter, in order to improve the early strength of concrete, the amount of cement used in concrete should be adjusted appropriately.

5. Like conventional concrete projects, maintenance must be strengthened according to construction specifications.

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