Heatstroke prevention for summer warehouses and factories! Radiative cooling + heat-insulating paint 'Radicool'
There are cases where the internal ceiling temperature has been reduced by about 20 degrees! Cutting-edge 'heat insulation + radiative cooling technology (high reflection + high radiation)' improves indoor high-temperature issues! CO2 reduction as well.
We would like to introduce the cooling effect of our product, "Radi-Cool." It is a high-performance coating that combines heat insulation and radiative cooling effects. By applying it to roofs and windows, it lowers indoor temperatures and perceived temperatures, contributing to reduced air conditioning costs. With the addition of the technology of "radiative cooling," which allows materials to release absorbed heat through thermal radiation, it exhibits even higher cooling effects than insulation and heat shielding materials! 【Examples】 - Automotive Manufacturer Service Center: Coated the roof → The internal temperature of the ceiling dropped to about 33°C without air conditioning running. The perceived temperature decreased, contributing to reduced air conditioning costs. - Trading Company Distribution Center: Coated the roof → A maximum temperature difference of about 20.7°C in the ceiling before (July) and after (August) coating! Improved working environment with a cool feel even in summer! - Public Transportation: Applied to outdoor units to prevent high-pressure cuts → The internal temperature of the outdoor unit decreased by 3°C compared to using a sprinkler system, allowing for noticeable effects and CO2 reduction! *For more details, please feel free to contact us.
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Radicool
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Line up（1）
| Model number | overview |
|---|---|
| Coating | When applied to the roof, it reduces radiant heat from the ceiling due to radiative cooling effects, resulting in a lower perceived temperature and contributing to reduced air conditioning costs. |
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News about this product（3）
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The RADI-COOL umbrella has been selected for the "My Favorite Umbrella Selection" hosted by Tokyo Metropolitan Government!
On September 25, 2025 (Thursday), at the South Observation Room of the Tokyo Metropolitan Government Building, the event "My Favorite Umbrella Selection" was held, where the 55cm lightweight folding umbrella from Ogawa Co., Ltd. (Headquarters: Naka Ward, Nagoya City, President: Kyorei Ogawa), which utilizes the radiative cooling material "RADI-COOL" developed by Radicool Japan Co., Ltd. (Headquarters: Chuo Ward, Tokyo, President: Jun He), was selected as one of this year's "favorite umbrellas." For more details, please check the link below!
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From June 1, the Ministry of Health, Labour and Welfare will mandate "heat stroke prevention measures (with penalties)!" Reduce the risk of heat stroke with the heat-shielding and radiative cooling paint "Radicool."
From June 1, the Ministry of Health, Labour and Welfare will further strengthen measures against heat stroke in the workplace, making them mandatory. In particular, companies operating in high-temperature work environments such as warehouses, factories, and construction sites will be required to implement specific measures. Our heat-insulating and radiative cooling paint "Radicool" is a highly effective product for reducing the risk of heat stroke. With its dual effect of solar reflection and thermal radiation, it can lower the surface temperature of roofs and exterior walls by more than 20°C, contributing to reduced air conditioning loads and improved working environments. ■ Target Companies - Companies with facilities in high-temperature environments such as warehouses, factories, and construction sites (metal roofs show clear effects!) - Manufacturing, infrastructure, and distribution industries that are working on labor safety and environmental measures.
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New technology! Heat-insulating + radiative cooling paint "Radicool" brochure has been published!
A new technology, the heat-insulating and radiative cooling paint "Radicool," has been published in the world's top scientific journal, "Science." "Radicool" combines traditional heat insulation effects with radiative cooling effects (i.e., heat radiation), significantly reducing the heat entering indoor spaces. It is a product that can be utilized primarily in warehouses, factories, and office buildings with metal roofs for "heat stroke prevention," "improvement of working conditions," and "CO2 reduction." We hope you take a look and find it useful.
Distributors
Ishiguro Co., Ltd. is a comprehensive piping materials trading company with a history of 80 years. Piping materials rarely catch the eye in everyday life, but Ishiguro has supported the supply chain of piping materials that allow people to live comfortably in various buildings, including large-scale plants, factory piping, air conditioning and sanitary facilities in skyscrapers and landmark buildings across the country, as well as in residential and non-residential structures. We purchase products such as valves, pipes, and fittings from over 600 suppliers both domestically and internationally, with a product lineup exceeding 400,000 items and a stock system of over 20,000 items in warehouses nationwide. Ishiguro Co., Ltd. is committed to connecting and supporting industries and people's lives by providing piping materials such as valves, pipes, and fittings. As a leading company in the piping materials industry, we will continue to take on new challenges and respond to the diversifying needs of our customers. As part of our new business initiatives, we handle antiviral and antibacterial coatings called "Health Bright" and heat-insulating plus radiative cooling paint called "RadiCool." We provide a safe and secure space free from the fear of infectious diseases in daily life and contribute to heatstroke prevention and improvement of working environments through radiative cooling technology.
