Air entrainment retardant pumping agent

1. Scope of application:
Suitable for reinforced concrete, commercial concrete, prestressed reinforced concrete, ready-mixed concrete, mass concrete, drilled pile concrete, long-distance transportation concrete, self-compacting concrete, especially suitable Construction will take place during the summer.

2. Main performance:
1. This product is available in powder and liquid. The appearance of powder is tan; the appearance of liquid is brown-black, and the density is 1.16±0.02g/ml. Non-toxic, odorless, non-flammable, and has no rusting effect on steel bars.
2. When the recommended dosage of this product is added to concrete, the water reduction rate is more than 12%, and it can significantly improve the workability, water retention, pumpability, concrete strength and concrete resistance. It has many physical and mechanical properties such as folding, impermeability, and frost resistance.
3. This product has various functions such as air entrainment, retardation, water reduction, and reinforcement. It can reduce the early hydration heat of cement and reduce the slump loss of concrete. Certain products can be selected according to seasonal temperature changes. Dosage to meet construction requirements.
4. Use 525 ordinary Portland cement or 525 Portland cement and 525R ordinary Portland cement to prepare C40 commercial concrete and cast-in-place concrete; use 425 slag Portland cement to prepare C30- C40 commercial concrete and cast-in-place concrete.

3. Performance indicators of concrete mixed with ZWL-B air-entraining retardant pumping agent:

4. Recommended dosage:
According to the purpose and requirements, the dosage range of powder is 0.1-0.3%, recommended The dosage is 0.25%, and the water dosage range is 500-850ml/100kg cement, or 0.4-0.1% (based on cement dosage). Generally, 0.6-0.1% is used in summer and 0.4-0.8% in winter.

5. Usage method:
1. The dry powder can be directly mixed into concrete for use or used after preparing a solution of a certain concentration; the liquid can be added directly.
2. When used with expansion agent, the concrete mixing time should be extended by 30 seconds.

6. Packaging, transportation and storage:
1. Powder is packed in plastic woven bags lined with plastic bags. The net weight of each bag is 25kg±0.13kg or 50kg±0.25kg. Liquids are packed in plastic barrels. Packaging and plastic buckets must be sealed to prevent water leakage or evaporation and drying. Tank trucks can also be used for transportation.
2. Be careful not to encounter sharp objects during transportation to avoid breaking the package and getting damp. If it gets damp, prepare a solution of a certain concentration for use.
3. Powder should be stored in a ventilated and dry special warehouse. The validity period is two years. It can still be used after passing the validity period and passing the test.

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Initial setting

+235

28d

≥85

96

Final setting

+240

90d

≥85

97

Note: The powder detection dosage is 2.5 %, the penetration dosage is 0.8%

4. Recommended dosage:
According to the purpose and requirements of use, the amount of powder The dosage range is 0.1-0.3%, the recommended dosage is 0.25%, the water dosage range is 500-850ml/100kg cement, or 0.4-0.1% (based on cement dosage). Generally, 0.6-0.1% is used in summer and 0.6-0.1% is used in winter. 0.4-0.8%.

5. Usage method:
1. The dry powder can be directly mixed into concrete for use or used after preparing a solution of a certain concentration; the liquid can be added directly.
2. When used with expansion agent, the concrete mixing time should be extended by 30 seconds.

6. Packaging, transportation and storage:
1. Powder is packed in plastic woven bags lined with plastic bags. The net weight of each bag is 25kg±0.13kg or 50kg±0.25kg. Liquids are packed in plastic barrels. Packaging and plastic buckets must be sealed to prevent water leakage or evaporation and drying. Tank trucks can also be used for transportation.
2. Be careful not to encounter sharp objects during transportation to avoid breaking the package and getting damp. If it gets damp, prepare a solution of a certain concentration for use.
3. Powder should be stored in a ventilated and dry special warehouse. The validity period is two years. It can still be used after passing the validity period and passing the test.

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