At Schlegel Electronic Materials Inc. we have an unwavering commitment to the safety of our customers and our co-workers during the COVID-19 virus pandemic. SEM is a worldwide company and our facilities in Asia, Europe, and the United States are working in concert to provide production support as needed. We are currently operating at 100%

Water & Sound Filter

Features

・Schlegel‘s unique porous film provides air/sound permeability and water/dustproof function at   the same time, which prevents inundation and contamination inside of the case.

・Variety of products for number of applications and can be die cut and molded into various sizes and shapes.

SCHLEGEL’s unique porous film

Soft film with 1µm surface opening, and 15-30µm porous size in thickness direction.

Film maintains waterproof level of IPX7 in mobile application shapes, and horizontally connected porous keeps high air permeability.

Single layered film composition provides excellent vibration based acoustic performance, while mesh laminated composition is highly air permeable.

Applications

The film can be used in applications such as mobile phones, smart phones digital cameras and other mobile devices as materials for their sound, internal and external pressure control filters.

Product Lines

Sound permeable filter for mobile devices

Features

Acoustic performance oriented product for microphones in mobile devices. Acoustic loss in frequency ranges of human voice (low frequency) is within 2dB.

Air permeable filter for internal pressure control

Features

Prevents damage of waterproof case, caused by internal pressure fluctuation. Product lines include 280˚C heat-resistant filter.

Product Lines

Sound permeable filter for mobile devices

Properties

Air permeable filter for internal pressure control

Properties

※ The figures given for the parameters of the film in the table are their respective measured values, not their guaranteed values.