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Antifreeze Polycarboxylate Superplasticizer

Antifreeze Polycarboxylate Superplasticizer

YT-204 antifreeze polycarboxylate superplasticizer high performance water reducer...

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YT-204 antifreeze polycarboxylate superplasticizer high performance water reducer

 

Product Overview

YT-204 anti-freeze polycarboxylate superplasticizer is a new generation of multifunctional compound admixture which can solve the technical requirements of pumping and antifreeze in winter construction.The main components are polycarboxylic acid polymer series products with molecular weight of 500-5000. It integrates retarding, early strength, high-efficiency water-reducing rate and anti-freezing. It can completely solve the weakness of high-strength and high-performance concrete with high viscosity and poor construction performance. It is an ideal addition for the preparation of high-strength and high-performance concrete in winter construction.

 

Polycarboxylic acid high performance water reducing agentProduct performance

The products mainly implement GB8076-2008 "Concrete admixture" standard and JC475-2004 "Concrete antifreeze", all performances meet the above standard requirements..

1. Low slump loss, 1 hour slump loss is less than 30mm.

2. High durability, this product can effectively reduce the concrete water-to-binder ratio, improve durability and reduce shrinkage and creep.

3.Workability, water retention and cohesiveness are greatly improved, no stratification, no segregation and no bleeding.

4.High water reduction rate, excellent dispersing agent up to 25% water reduction rate, can greatly improve the work performance of concrete, improve concrete strength and save cement consumption.

5. This product is chlorine-free antifreeze and has no corrosion to steel bars. It adopts a new type of anti-freezing component, which greatly reduces the alkali content, can avoid the alkali aggregate reaction of concrete, and makes the antifreeze itself not crystallized nor precipitated under negative temperature.

 

Technical indicators

 

Test items

Performance indicators

Water reduction rate %

≥10

Gas content%

≥2.5

48 hours water absorption ratio%

75

50 times freeze-thaw strength loss ratio%

100

28-day shrinkage ratio (%)

≤135

Chloride ion content (%)

≤0.1

Corrosion effect on steel bars

No corresion

 

water reducing agent ,Polycarboxylic acid water reducing agent (4)Usage and precautions

1. Recommended dosage: 1%~2% blending amount in -5 °C,  2%~3% blending amount in -10 °C ,3%~4% blending amount  in  -15 °C.

2. This product can be mixed into the concrete at the same time as or later than water is added.

 

3. This product should not be mixed with any other type of admixture. When replacing the admixture, should carefully clean the tank.

4. When first using or replacing the cement type, the concrete test should be done first to confirm the adaptability of the cement and determine the optimum dosage.

Packaging and storage

1. 200kg / iron drum or 1000kg / plastic drum.

2. The shelf life of this product is six months. It should be covered to store and protected from the sun, rain and freezing. If exceed the expiration date ,product should be re-tested before use.


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