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Sustainability > Environment > Response to Climate Change > Energy-Efficiency through Fluorochemical Products and Oil Hydraulic Products

Response to Climate Change

Energy-Efficiency through Fluorochemical
Products and Oil Hydraulic Products

Fluorochemical Products

An Easy to Install "Air Conditioner": ZEFFLE Infrared Reflective Coating Eases Air Conditioning Burden

Example of Use of ZEFFLE Infrared Reflective Coating

Ship
ShipOn this ship, ZEFFLE helps prevent salt corrosion, keep temperatures down, and maintain the appearance

Oil tank
Oil tankBy keeping the temperature down, ZEFFLE helps prevent the transpiration of oil vapor inside the tank

Daikin developed ZEFFLE infrared reflective coating, a fluororesin-based paint that reflects the sun's infrared rays off building roofs. Compared to conventional paints, ZEFFLE reduces building roof surface temperature by as much as 15-20°C, thus keeping inside temperature down. It also reduces power consumption by approximately 15% to make a major contribution to saving energy in the summer.

ZEFFLE could almost be called a "easy-to-install air conditioner." Used in combination with an energy-efficient air conditioner, ZEFFLE can help reduce electricity consumption.

Besides the roof and outer walls of a building, ZEFFLE is effective in blocking heat and preventing weathering in other ways. For example, by applying it to water storage tanks such as those holding drinking water, it prevents the temperature from rising, thus maintaining sanitation. On water and ice storage tanks, it maintains the cooling effect and saves energy. It is being used increasingly on the top deck of marine vessels to keep cargo space from heating up, and to prevent deterioration due to salt water and ultraviolet rays.

We also have begun selling new products for building materials such as exterior wall panels and aluminum sashes. Building product manufacturers are also starting to sell products using this thermal insulation coating.

ZEFFLE is being sold in a growing number of countries and regions including China, Europe, and the Middle-East. The Changshu Plant of Daikin Fluorochemicals (China) installed facilities for the manufacture of the raw material resin and mass-production began in May 2013.

Features of ZEFFLE Infrared Reflective Coating

Features of ZEFFLE Infrared Reflective Coating

Fluorine Characteristics Help Solar Cells Last Longer

Making the most of fluoropolymers' chemical resistance, heat resistance, and weather resistance, Daikin provides materials that contribute to the spread of solar cells.

For example, the fluororesin material ZEFFLE is used in the back sheet of solar cells to prevent the infiltration of infrared rays and moisture, both of which harm the interior of solar cells. Thinner than conventional fluoropolymer film while offering the same weather-proofing and durability, ZEFFLE is being increasingly used on solar panels.

The fluororesin (ETFE)* used for the surface protection film on solar cells has high light transmittance and lasts for more than 20 years under the sunlight. It is lighter than the glass film conventionally used for surface protection, and it is used in flexible solar cells that bring solar energy to a wider range of applications. We are also conducting research and development on other products; for example, light collecting film, which effectively gathers solar light on film covered with bumps; and fluoropolymer film, which contributes to smaller film capacitors mounted on power conditioners.

* ETFE: A fluoropolymer with superb chemical resistance and insulation qualities. It is used as coating for items such as electrical wires.

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Oil Hydraulic Equipment

Energy-Efficient Hybrid Hydraulic Super Unit
Energy Savings and Lower CO2 Emissions in Factories

Daikin also leads the industry in making energy-efficient hydraulic units for factory production lines.

The energy-efficient hybrid hydraulic Super Unit employs the same motor inverter technology that is used in Daikin's energy-efficient air conditioners. The Super Unit determines the load on the machine, depending on whether it is in standby, operation, or pressure holding mode, and electronically controls the pump at the necessary RPM. The result is energy savings of more than 50% in pressure holding mode (compared to Daikin piston pumps). For use on presses, vulcanizers, casting machines, and a wide range of other industrial equipment, it contributes to dramatic energy savings and lower CO2 emissions. We introduced new models and expanded the lineup in 2014. Because the Super Unit is not subject to electric motor high-efficiency restrictions enacted in April 2015, more and more customers have been looking at the Super Unit as a way to achieve greater energy efficiency.

The Super Unit is widely used on industrial equipment around the world and has been highly rated for its superior precision and energy efficiency.

Electricity Consumption of Super Unit and Conventional Hydraulic Unit

Electricity Consumption of Super Unit and Conventional Hydraulic Unit

9 Series Oil Cooling Unit
Complete Product Lineup to Meet Extensive Range of Needs

Immersion type products 9 Series Oil Cooling UnitImmersion type products 9 Series Oil Cooling Unit

In machine tools, Daikin’s 9 Series Oil Cooling Unit makes possible detailed temperature control of the lubricating and cooling oil, which has a major effect on the precision of the work.

Daikin's 9 Series Oil Cooling Unit allows temperature adjustment to ±0.1°C. In addition, with inverter control and the most advanced compressor, it offers 45% greater energy efficiency than conventional on/off controllers. It was also one of the first oil cooling units for industrial machinery to be certified for the EU's RoHS Directive*.

In September 2014, we added to the lineup an immersion type large-capacity series (5HP) and a large-capacity series (2-3HP) for industrial machinery chillers, allowing us to meet a wider range of customer needs than ever.

* RoHS Directive:
The RoHS (Restriction of Hazardous Substances) Directive is an EU directive that restricts the use of certain hazardous materials in the manufacture of various types of electronic and electrical equipment in order to reduce harmful impacts on human health and the environment.

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Micro-Hydroelectric Power Generation System
Demonstration Testing in Toyama, Fukushima, and Kobe

Daikin Industries, Ltd. developed a compact, low-cost pipeline-type micro-hydroelectric power generation system on which it has been conducting demonstration testing. This demonstration testing has been adopted under a project under Japan’s Ministry of the Environment to conduct testing and develop inductive technologies to reduce CO2 emissions. In fiscal 2014 and 2015, we conducted demonstration testing in Nanto City, Toyama Prefecture, and Soma City, Fukushima Prefecture, which resulted in us achieving practical product application. In fiscal 2016, we began a joint effort with Kobe City to evaluate long-term performance and operational costs, with the aim of using previously untapped sources of hydropower to reduce CO2 emissions.

Micro-Hydroelectric Power Generation System

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