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The accelerator and retarder in concrete

The accelerator and retarder in concrete concrete

The accelerator and retarder in concrete is an admixture that can greatly reduce the amount of mixing water under the condition of the same slump of concrete. The plasticizer is a kind of concrete admixture that can reduce water consumption under the condition of keeping the slump of concrete basically unchanged. Mostly anionic surfactants, lignosulfonate, naphthalene sulfonate formaldehyde polymers. After adding the concrete mixture, it has a dispersive effect on cement particles, can improve its workability, reduce water consumption per unit and improve the fluidity of concrete mixture; Or reduce the amount of cement per unit, save cement. The accelerator and retarder in concrete in the concrete slump is basically the same, can make mixing water consumption reduce the admixture by more than 15%.

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High Range Polycarboxylate Water Reduction/Water Reducer/The accelerator and retarder in concrete of Concrete Admixture

FOB Price: US $ 880-950 / Ton

Min. Order: 1 Ton

After-sales Service: Provide

Type: water-reducing admixture

Appearance: Gray-White Powder

Moisture Content (Powder) (%): < 2

pH Value (20ºC) (20% Liquid): 6~8

Total Base Amount (%): < 5

 

 

 

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Polycarboxylate The accelerator and retarder in concrete Powder PCE for Slump retention; water reducing agent; early strength; slow release

Samples: $80.00/Kilogram | 1 Kilogram (Min. Order)

Warranty: 1 Year

After-sale Service: Online technical support

Project Solution Capability: total solution for projects

Application: Office Building, Construction

Design Style: Modern

Place of Origin: Shandong, China

Model Number: KPS 500

Keywords: Superplasticizer Powder

Function: High Water Reducer Rate

Supply Ability: 20000 Ton/Tons per Year

 

 

 

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Concrete High Range Water Reducer Polycarboxylate Ether Based The accelerator and retarder in concrete

FOB Price: US $ 700-800 / Ton

Min. Order: 1 Ton

After-sales Service: 1year

Type: water-reducing admixture

Appearance: Colorless or Yellowish Liquid

Solid Content: 40%, 50%

Density: 1.10+/- 0.05 g/cm3

pH Value: 6.5+/-1.0

 

 

 

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Best sales poly carboxylic acid The accelerator and retarder in concrete for building materials

$600.00 - $1,180.00/ Metric Ton|10 Metric Ton/Metric Tons (Min. Order)

Warranty: 1 Year

After-sale Service: Other

Project Solution Capability: Others

Application: Mall, Concrete Addictive

Design Style: Chinese

Place of Origin: Shandong, China

Model Number: water reducer

Solid content: 40~50%

PH value: 5-8

Appearance: Yellowish liquid

Dosage: 0.25-0.75%

Water Reducing Rate: 25%-40%

Other Names: poly carboxylic acid

Supply Ability: 5000 Metric Ton/Metric Tons per Month

 

 

 

 

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Excellent Adaptability The accelerator and retarder in concrete for Self- Leveling with Competitive Price

FOB Price: US $ 2.5-3.5 / kg

Min. Order: 1000 kg

After-sales Service: Technical Support

Type: water-reducing admixture

Packing: Pallet

Standard: 25kg

Port: Tianjin

Production Capacity: 200

 

 

 

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Cement role as a carbon sink has been overlooked

The cement industry is the largest single emitter of carbon dioxide. A landmark 2018 report by Chatham House found that carbon accounted for about 8 percent of global emissions.

But according to Jenny Burridge, a principal structural engineer at the Concrete Centre in London, cement\'s role as a carbon sink has been overlooked.

"Concrete absorbs carbon dioxide," she said. "We haven\'t talked about it much. But actually, that\'s one of the things we\'re looking at right now."

"How much carbonation is actually happening?" What are the total sink that we have in the UK and the rest of the world?"

"Different types of concrete absorb carbon dioxide at different rates," she added. For reinforced concrete, structural engineers specify that concrete has a low carbonization potential because this can lead to corrosion of the reinforcement.

The Materials scientist at Cambridge University said cement and concrete "are not carbon sinks", but she suggested that other types of concrete, such as masonry blocks, could be used to sequester carbon from the atmosphere. "Blocks of rock actually form carbonate very quickly," Burridge said. Crushed concrete has greater potential because it has a larger surface area to absorb carbon dioxide.                     

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