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  1. Home
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  3. Common materials
  4. Cement, ready mixed concrete, aggregate, crushed stone
  5. Concrete admixture
  6. Powdered cold-resistant and antifreeze agent for mortar and concrete "Koaraz"

Powdered cold-resistant and antifreeze agent for mortar and concrete "Koaraz"

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last updated:Jul 21, 2021

日藻工材
日藻工材
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For improving the efficiency of plastering and civil engineering work in extremely cold regions! Completely salt-free type antifreeze agent.

"Koarazu" is a powder-type cold-resistant and anti-freezing agent that excels in cold resistance and anti-freezing effects, making construction possible during severe cold periods, and it also has the function of preventing frost damage. By using this product, the hardening of cement is accelerated, and early strength is enhanced, which can shorten working time. It also demonstrates excellent effectiveness in preventing rust and corrosion of steel materials. Additionally, being in powder form, it can be easily used in a dry mix and has a long shelf life. 【Features】 - Excellent cold resistance and anti-freezing effects, enabling construction during severe cold periods - Complies with regulations on the total amount of chlorides in concrete - Accelerates hardening and enhances early strength, reducing working time - Saves costs on insulation and heating curing equipment, making it economical - Exhibits excellent effectiveness in preventing rust and corrosion of steel materials through electrical action *For more details, please download the PDF or feel free to contact us.

    Mortar and plaster materialscementConcrete admixture
ko-razu1.jpg

Powdered cold-resistant and antifreeze agent for mortar and concrete "Koaraz"

ko-razu1.jpg
ko-razu1.jpg
  • Related Link - https://nissokouzai.com/products/konwazai/ko-razu/

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【Specifications】 ■Packaging ・1.25kg × 16 bags / case ・12.5kg × 2 bags / case ■Standard Usage  Cement 50Kg: Koarazu 12.5Kg *For more details, please download the PDF or feel free to contact us.

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Powdered Cold-Resistant and Anti-Freeze Agent for Mortar and Concrete 'Koaraz'

Powdered Cold-Resistant and Anti-Freeze Agent for Mortar and Concrete 'Koaraz'

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SDS "Koarazu"

SDS "Koarazu"

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Mortar with added koalaz.

The effects of the powder antifreeze and cold-resistant agent "Koarazu".

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"Kooraz" is a completely salt-free powder antifreeze and de-icing agent that does not contain salts that promote corrosion (rust) of steel materials, unlike conventional liquid chlorine compounds. It not only has excellent antifreeze and de-icing performance but also possesses rust prevention effects due to special ion reactions, making it a mixing agent that prevents freeze damage, which is the biggest problem in winter mortar and concrete work. We tested the antifreeze effect by repeatedly exposing mortar with and without "Kooraz" to -8 degrees for 16 hours and then to 3 degrees for 8 hours. ...7 days after mixing The mixture with "Kooraz" showed no signs of freeze damage and exhibited sufficient strength (top right photo). In contrast, the mixture without "Kooraz" showed striping due to freeze damage and overall poor hardening (bottom right photo). ■ Packaging 1.25 kg × 16 bags/box ■ Standard usage amount 2 bags of cement (50 kg): 1 bag of Kooraz (1.25 kg)

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日藻工材

日藻工材

Building materials, supplies and fixtures manufacturers

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Nichizo Kōzai develops, manufactures, and sells unique cement additives through creative ingenuity. Our company was established in 1970 with the aim of manufacturing seaweed-based adhesives for construction and chemical adhesives, as well as selling construction plastering materials. Focusing on cement materials, we engage in development and quality-first manufacturing that is not constrained by traditional concepts of building materials, providing our customers with new value.

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