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Background

Environmental friendliness, comfort, and safety are the three most sought after expectations of consumers for new vehicles today. The evolution of S-LEC™ Sound and Solar Film offers more functionality to contribute to all three main performance elements: environmental impact, comfort, and safety. S-LEC™ Sound and Solar interlayer film, is receiving accolades as a revolutionary solution, offering a quiet cabin and improving fuel efficiency, all while maintaining the high level of safety and security that consumers demand.

S-LEC™ Sound and Solar Film with both noise reduction and heat shielding, offers a quieter cabin and more fuel efficiency.

Technology

S-LEC™ Sound and Solar Film is made possible by incorporating multi-layer and fine particle technologies

S-LEC™ Sound and Solar Film blends multi-layer and fine particle technology, providing sound dampening and heat control.

S-LEC™ Sound and Solar Film is constructed from a patented three-layer extrusion technology. The outer layers provide mechanical strength and enable adhesion to the glass. The inner layer absorbs unwanted sound frequencies. Sekisui’s solar control particles are then evenly distributed throughout the multi-layer structure. This combination of technologies enables sound dampening and heat control in one comprehensive product.

Performance

Cut sound energy down to a third

As evident in the graph, S-LEC™ Sound and Solar Film effectively controls low frequency vibration energy from the engine and reduces high-frequency wind noise. These figures demonstrate that audible noise is reduced to a third of its original volume.

S-LEC™ Sound and Solar Film controls low frequency vibration engine energy and reduces high-frequency wind noise.

Mitigate heat from IR rays while electromagnetic waves pass freely

The sun’s mid-infrared rays-between 1,500 to 2,100 nm can result in over exposure or a radiation burn of the skin and increased cabin temperature. S-LEC™ Sound and Solar Film blocks much of the rays in this spectrum, effectively controlling cabin temperature and creating a comfortable environment, while reducing demand on air conditioning and improving fuel economy.1 S-LEC™ Sound and Solar Film allows most radio frequency bands to pass freely, allowing drivers and passengers to remain connected while on the go. This technology also enables the use of Electronic Toll Collection (ETC) without any interference.

S-LEC™ Sound and Solar Film mitigates heat from IR rays while electromagnetic waves pass freely, allowing occupants to stay connected on the go.
S-LEC™ Sound and Solar Film mitigates heat from IR rays while electromagnetic waves pass freely, allowing occupants to stay connected on the go.
1. Tests have shown that laminated windshields with S-LEC™ Solar Control Film reduce the surface temperature of the steering wheel by approximately 10 degrees Celsius. S- LEC™ Solar Control Film incorporated in compact cars have experienced a 3% increase in fuel economy while using the air conditioning during a traffic jam.