Passive Radiative Cooling Coating

Reduce Surface Temperature by 15°C Without Electricity

Hydrophilic Self-Cleaning Coating

Boost Solar Power Generation by 10% and Reduce Maintenance

About 3U

Based in China, 3U is a premier manufacturer of radiative cooling and self-cleaning coatings, dedicated to reducing industrial carbon footprints through cutting-edge nanotechnology.

R&D Excellence

5+ Years of Nano-Technology Innovation

Proven Performance

1000+ Successful Global Projects.

Eco-Friendly

Sustainable, non-toxic, and electricity-free.

Our Nano-Coating Products

Explore our innovative nano-coating solutions designed to enhance performance and durability of various surfaces.

Non-Electric Self Cooling Coating

Advanced coating with solar reflectance >96% that passively radiates heat, reducing cooling costs for buildings, data centers, and equipment.

Energy Efficient

Eco-friendly

Heat Reflective

Hydrophilic Self-Cleaning Coating

Nano-coating for solar panels that enables self-cleaning through rainwater, reducing maintenance costs and improving energy efficiency.

Self-cleaning

Water Saving

UV Resistant

Industry Solutions

Tailored nano-coating applications for various industries to improve efficiency and reduce environmental impact.

Cold Chain Logistics

Our radiant cooling coatings provide superior thermal insulation for refrigerated trucks, containers, and storage facilities, reducing energy consumption and maintaining optimal temperature conditions for perishable goods.

Data Centers

Addressing the high energy consumption of data centers, our radiative cooling coating can be applied to roofs and exterior walls, effectively reducing building surface temperatures, decreasing air conditioning cooling loads, and improving energy efficiency.

Commercial Real Estate

Our radiative cooling coating applied to the roofs and exterior walls of commercial buildings and public facilities effectively reduces building energy consumption, improves indoor comfort, and creates more sustainable building environments.

Storage Tanks

Our radiative cooling coating applied to grain silos and industrial storage tanks effectively reduces internal temperatures, prevents moisture condensation, maintains product quality, and significantly decreases the need for mechanical ventilation and cooling systems.

Photovoltaic Cleaning

Our photovoltaic panel hydrophilic self-cleaning coating effectively addresses dust accumulation issues on PV modules, reduces manual cleaning frequency, improves power generation efficiency, and lowers maintenance costs.