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Radiative Cooling Film
Radiative Cooling Film is a self-developed benchmark product of electricity-free cooling specially developed for glass surface by i2Cool. The material applies the principle of passive radiative cooling technology. Using outer space as the source of cooling, through efficient solar reflection and mid infrared heat emission, it effectively reduces the indoor temperature while ensuring the building's aesthetic and lighting viewing needs, achieving the effect of electricity-free cooling and saving air-conditioning energy consumption.
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Electricity-free cooling offers cooling without input of power
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Sustainable Energy Saving
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Enhanced operating efficiency for outdoor equipment

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Resulting in Lower electricity consumption by up to 30-50%
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Easy application
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Enhanced mechanical properties such as oil-proof, dustproof, and non-flammable.
Inspiration
What is Sahara Silver Ant

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Electricity-free cooling technology inspired by the sahara
The Saharan silver ant stays cool using special surface hairs that reflect sunlight and release heat as infrared radiation. This helps it survive in the desert’s extreme heat.
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Inspiration
Inspired by the skin structure with the self-cooling function of the Saharan silver ant, i2Cool invented passive radiative cooling technology that can reflect most of the solar heat while effectively emitting thermal energy as mid-infrared into open air/space?
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Scientific Research
After seven years of research, the i2Cool team overcame cost, production, and construction challenges to develop the Radiative Cooling Film, now available for large-scale use.
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Electrostatic self-adhesive, adhere to use
The electrostatic silicone construction of Radiative Cooling Film allows it to automatically cover the glass surface, as easy and convenient as a mobile phone film. The adhesion is strong and does not dissolve in the presence of sunlight.
UVBR
99%
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Long-lasting, non-blocking, and effective
Radiative Cooling Film is suitable for glass curtain wall, glass window and other glass materials.
Its light transmittance ranges from 18% to 80%, ensuring adequate indoor lighting and visibility while providing effective heat rejection.
Visible Light Transmittance
80%
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Eco-friendly
The technology fulfils all the requirements of RoHS tests and the REACH test, meeting the EU standards.
Incentive Based Regulation
88%
Testimonials
Case Study
Radiative Cooling Film is a self-developed benchmark product of electricity-free cooling specially developed for glass surface by i2Cool.







