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  1. Home
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  3. 日藻工材
  4. The effects of the powder antifreeze and cold-resistant agent "Koarazu".
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  • Jan 07, 2021
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Jan 07, 2021

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

日藻工材 日藻工材
"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)
Mortar with added koalaz.
Mortar with added koalaz.
Koorazu additive-free mortar
Koorazu additive-free mortar
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ko-razu1.jpg

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

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 materials
  • cement
  • Concrete admixture

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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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日藻工材
Building materials, supplies and fixtures manufacturers
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Truck berth vehicle detection

It's not too late to address the "2024 Problem." Why not immediately reduce drivers' waiting times?

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Are you making progress on measures for the "2024 Problem"? The management of drivers' working hours is becoming stricter, and in the logistics field, reducing "waiting time for loading" has become an urgent issue. To address this challenge, our company, Hotron, proposes the "Vehicle Detection Ultrasonic Sensor 'HM-UX2'," which instantly grasps the availability of loading bays. The 'HM-UX2' contributes to the resolution of waiting times by accurately understanding the availability status, reducing unnecessary waiting and queuing, and shortening waiting times, thereby alleviating the burden on drivers! By replacing the "eyes" of your loading bay management with this high-precision sensor, why not start taking measures against the "2024 Problem"? Take a look at the product features: "Can it accurately detect availability?" "Can we really use it in our company?" "I just want to know the cost, even if it's an estimate." If you have any questions or requests, please feel free to consult us first.

Aug 08, 2025

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JIP-ISMS517-1.0 (ISO/IEC 27017:2015) Certification Obtained

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As a result of the conformity assessment audit of the Information Security Management System (ISMS), which is a management system standard, it has been proven that we comply with the requirements set forth by ISO/IEC, and the following audit registration certificate has been issued: JIP-ISMS517-1.0 (ISO/IEC 27017:2015) Scope of Application * Cloud Service Provider: Provision of "CaaS Cloud" This is based on the general information security standard ISO 27001 (ISMS) and includes additional management measures to address threats and risks specific to cloud services.

Aug 07, 2025

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Non-contact light touch sensor "HA-T401/HA-T520"

A non-contact light touch sensor "HA-T Series" that realizes "wanting to open in a narrower range and in a limited manner" based on the surrounding environment of automatic doors.

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The non-contact beam touch sensor "HA-T401/HA-T520" has a compact detection range, making it an ideal automatic door sensor for installation on automatic doors facing narrow corridors or busy streets. Depending on the application and installation location, you can choose between "non-vision mounting type" and "non-vision built-in type." 【Features】 ● With the beam touch sensor, you can open and close the automatic door simply by bringing your hand close without touching it, ensuring hygiene. ● Depending on the installation environment, such as single sliding or bi-parting doors, the detection range can be set in four configurations: left, center, right, and a total of 12 spots. ● Two types of activation row settings are available to reduce unnecessary opening and closing of the automatic door due to cross traffic, contributing to energy-saving effects. ● The touch switch and infrared sensor are integrated, allowing for a switch between beam touch and infrared sensor with a single model. 【Recommended for such locations!】 ☑ Entrance facing a busy corridor ☑ Counter or sign near the door ☑ Buildings facing narrow corridors ☑ Buildings that prioritize aesthetics ☑ Hospitals and facilities that consider hygiene ☑ Large facilities with many doors ◎ For more details, please download the materials or contact us.

Aug 07, 2025

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Visualizing the Power of Thinking - Talent Assessment for Promotion, Advancement, and Development-

Utilize for promotion, hiring, and training! Release of the human resource assessment trial version catalog.

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We have released a case study-type assessment trial version that can be used for reviewing promotion, recruitment selection, and training measures for HR and education personnel. It can be helpful for organizing the challenges of your company's talent and identifying potential next-generation leaders. Please download it for free first and consider how to utilize it in the field.

Aug 07, 2025

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Added a meeting record summary function utilizing generative AI to the health management system "HM-neo" - Achieving a reduction in the workload of recording industrial physician interviews and health guidance.

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NTT TechnoCross Corporation (Headquarters: Minato-ku, Tokyo, President: Atsuko Oka, hereinafter referred to as "NTT TechnoCross") will start providing a new version of its health management system "HM-neo" with a meeting record summarization feature powered by generative AI from April 1, 2025 (scheduled).

Aug 07, 2025

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  • イプロスがリアル展示会を主催します! AI/DX 営業・マーケティング展 出展社募集中 リード数・商談数が止まらない!新しいリアル展示会を提供 会期 2026年3月24日(火)~25日(水) 会場 東京ビッグサイト東4ホール 出展概要資料を進呈!
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