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

"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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