TD-5 Concrete Pumping Agent

TD-5 concrete pumping agent is composed of water reducing agent, retardant, air entraining agent, etc. This product has the characteristics of high water reducing rate and good plastic retention effect. It can delay the setting time of concrete and reduce slumping. It is suitable for pumping concrete in industrial and civil buildings and other structures; especially suitable for large-volume concrete, high-rise buildings and multi-storey buildings; suitable for slip form construction, etc.; also suitable for underwater pouring pile concrete.

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Product Introduction

Technical indicators

Solid content	powder ≥92%, liquid ≥35%
Fineness	0.315mm sieve residue ≤15%
Cement slurry fluidity	150-210mm

Performance features

·Water reduction rate: 10~20%.

·Slump increase value ≥10cm.

·Normal pressure bleeding rate ratio ≤90%.

·Pressure bleeding rate ratio ≤90%.

·Gas content ≤4.5%.

·Shrinkage ratio: 28d≤135%.

·Compressive strength ratio: 3d≥130%, 7d≥120%, 28d≥115%.

·No corrosion effect on steel bars.

Instructions

·Dosage range: 0.7~1.5% (powder), 1.5~2.5% (liquid).

·Generally added together with the mixture, the post-mixing method is used to achieve the best effect.

·Before using the cement for the first time or changing the cement type, a trial mixing test should be carried out to determine the dosage.

·Every batch of goods will be tested and can only be used if it meets the user's requirements.

Packaging and storage

·The powder of this product is packed in double layers, 40kg or 50kg per bag, and the liquid is packed in iron drums, 220kg per drum.

·Should be stored in a moisture-proof, ventilated and dry place. If it gets damp, the corresponding moisture should be deducted when using it.

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