Diffuser films for LED applications: Makrofol, Lexan film and polyester film

Valox film diffuser films

Diffuser films for LED applications: Makrofol, Lexan film and polyester film

Dr. Dietrich Müller GmbH | December 11, 2019

Makrofol, Lexan film, and Polyester film are used as diffuser foils.

The Dr. D. Müller GmbH supplies a wide range of diffuser films for LED applications. Makrofol films, Lexan films and polyester films, which are supplied as finished parts, are used.

A wide range of diffuser films for LED applications is offered by Dr. D. Müller GmbH from Ahlhorn. A wide variety of polycarbonate films from the Markrofol brands from Covestro and Lexan from Sabic as well as polyester films from various manufacturers are processed into punched parts, blanks and molded parts.

The following types are used in particular as diffuser films:

Lexan 8B35

Lexan 8B35 is a colorless one Polycarbonatfolie with the surfaces velvet matt/matt. This Lexan film is available in thicknesses from 0.25mm to 0.75mm. Lexan 8B35 has a transmittance of approx. 80% up and can be used as a light diffuser.

Lexan 8B28

Lexan 8B28 is an off-white polycarbonate film. Lexan 8B28 has the following surfaces: velvet matt / fine matt. Lexan 8B28 is available in thicknesses from 0.25mm to 0.75mm. Lexan 8B28 has a transmittance of approx. 60% up. As a standard diffuser film, it is particularly suitable for applications with fluorescent tubes.

Makrofol LM 309

Makrofol LM 309 is a translucent polycarbonate film. Makrofol LM 309 is available in thicknesses of 0.3 and 0.5 mm. They have a transmittance of 85 resp. 81% up. Makrofol LM 309 was specially developed for use as a diffuser film. It has a balanced relationship between transmission and scattering effect.

Makrofol DE 1-4 white

Makrofol DE 1-4 is a polycarbonate film in the color pure white with the surfaces glossy / matt. Makrofol DE 1-4 is available in thicknesses from 0.25mm to 0.75mm. Makrofol DE 1-4 has a transmittance of approx. 60% up. Makrofol DE 1-4 is used as a standard diffuser film. It is used in applications with fluorescent tubes. Makrofol DE 1-4 with a thickness of 0.5mm is also suitable for large-area parts. Makrofol DE 1-4 is particularly valued because of its pure white color.

PET 175

PET 175 is a colorless PET film with matt surfaces on both sides. The thickness is approx. 0.175 mm indicated. The transmittance is approx. 80%. Applications include fluorescent tubes and LEDs.

From these foils, Dr. D. Müller GmbH Stamped and molded parts, which are then used in the LED area.

In addition, the Dr. D. Müller GmbH also products for thermal management in LED technology. Come here Thermal paste the Thermigrease brand, Heat conducting foil the Thermiflex product range as well as Thermal pads of the Thermipad brand are used.

The product Thermiglue TL 23007 is used in particular to bond LEDs to aluminum heat sinks.

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