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JT-FPCA Antifreeze Polycarboxylate Water Reducer

JT-FPCA Antifreeze Polycarboxylate Water Reducer

JT-FPCA antifreeze polycarboxylate water reducer provides individual products and technical solutions for customers' winter construction. This series of products can greatly reduce the water-binder ratio of concrete, improve the early strength and durability of concrete; improve workability, reduce pumping viscosity, improve pumping construction efficiency and construction quality; have strong adaptability to cement and mineral admixtures , the sensitivity is low.
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JT-FPCA antifreeze polycarboxylate water reducer provides individual products and technical solutions for customers' winter construction. This series of products can greatly reduce the water-binder ratio of concrete, improve the early strength and durability of concrete; improve workability, reduce pumping viscosity, improve pumping construction efficiency and construction quality; have strong adaptability to cement and mineral admixtures , the sensitivity is low.

This product refers to the implementation of JC475-2004 "Concrete Antifreeze", GB/T8076-2008 "Concrete Admixture", GB/T8077-2012 "Concrete Admixture Homogeneity Test Method", JG/T223-2007 "Polycarboxylate series" "High-performance water reducing agent" and GB50119-2013 "Technical Specifications for the Application of Concrete Admixtures".

 

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. Example of use

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

Test number

Cement kg/m³

Pulverized coal kg/m³

Machine-made sandkg/m³

1-2 stone kg/m³

1-3 stone kg/m³

Water kg/m³

Additives/%

28d test block strength/Mpa

Rebound strength at 600℃/MPa

Admixtures in use

300

80

880

840

120

170

3.5

33.4

31.5

Zhongsen Admixture

300

80

880

840

120

170

3.5

38.6

38.0

5. Instructions

1. The dosage range of this product is 2.0-3.0% (calculated by the amount of cementitious material), and the optimum dosage can be adjusted within the recommended range according to the change of temperature and the requirements of 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. 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.

3. When the temperature is lower than -10 ℃, in order to improve the early strength of concrete, the amount of cement in the concrete should be adjusted appropriately.

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

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