Absolutely long-lasting! New functional heat-insulating paint for roofs and walls HSP.

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Chill coat

last updated：Sep 15, 2025

TSP

Absolutely long-lasting! A new functional heat-insulating paint for roofs and walls with a completely different structure from conventional paints - HSP.

▮Type: Silicone-modified acrylic resin water-based heat-reflective paint ▮Features 　　○ High reflectivity and over 8-10 years of excellent weather resistance due to a composite diffuse reflection structure created by special heat-reflective pigments and ultra-fine ceramic powder (non-hollow). 　　○ Suppresses high-temperature degradation of the painted surface. 　　○ Exhibits excellent aesthetic quality and dirt-repellent effects due to the ultra-fine ceramic powder. 　　○ The painted surface is smooth with a finish that has a gloss level of about 80%.

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basic information

*For details, please request a catalog or view the PDF data from the download.* ■ By using carefully selected fine natural ceramic powder, we achieve the world's highest level of "heat insulation" with an extremely enhanced reflection efficiency, which does not heat the painted surface and does not absorb or accumulate heat. ■ With low thermal conductivity, it is also excellent in "thermal insulation" as it is unaffected by heat conduction from the surroundings. ■ Differences from typical heat-insulating and heat-reflective paints: Typical heat-reflective paints mainly consist of hollow balloons (hollow beads) made of ceramic or silica with sizes ranging from 10 to 50μ. These hollow balloons provide instantaneous thermal insulation when exposed to sunlight, but due to the mechanism of heat absorption → heat accumulation → heat release, the heat that has been absorbed and accumulated over time begins to be released to the cooler area once it reaches a saturation state. In other words, during summer, the accumulated heat is released to the cooler indoor environment, making it hotter. Additionally, in winter, it absorbs indoor heat and releases it outdoors, leading to a decrease in air conditioning efficiency. HSP prevents heat intrusion by reflecting rather than absorbing and accumulating heat, so its effectiveness lasts for a long time.

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Applications/Examples of results

■Case Study■ Ministry of Justice General Bidding Project 2018 Osaka Prison Gymnasium and Roof Painting Renovation Work ● Construction Dates: June 29, 2018 – August 21, 2018 ● Project Type: Chircote HSP (Heat-Reflective Insulation Coating Work) ● Site: Osaka Prison ● Areas of Work: Gymnasium Roof & Dojo Roof ● Contractor: Nippon Souko Co., Ltd. (Won through general bidding) 【Background of Adoption】 From October 2012, a heat-reflective paint effectiveness verification test was conducted in the disaster prevention warehouse (emergency food storage warehouse) within the Osaka correctional facility. Even after five years post-construction, its [high functionality and performance] received the highest evaluation. Consequently, in this general bidding project, it was specified in the construction specifications to use (highly reflective non-hollow water-based heat-reflective paint) [Chircote HSP], leading to its adoption.