Makrolon® DX Line Cool – 3mm | Covestro

Solid polycarbonate sheet for LED lighting

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  • Extreme high light transmission and high diffusivity at the same time
  • Extreme impact strength
  • Resistance to wide range of temperature
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Stock sheet size: 125cm x 60cm

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Description

Solid Makrolon® DX sheets are polished polycarbonate diffuser sheets. Makrolon® DX is developed for applications based on LED light sources, which do not emit UV light. It offers a combination of high light transmission and light diffusion as well as an extreme impact strength which exceeds the physical properties of other thermoplastics. Makrolon® sheets resist tempe-ratures of -100 to +120 °C. Makrolon® DX cool is a diffuser sheet with a cool and fresh color appearance, even when the LEDs are in off mode

Benefits

  • Extreme high light transmission and high diffusivity at the same time
  • Extreme impact strength
  • Resistance to wide range of temperature

Features

  • Cool and fresh color appearance, even when the LEDs are in off mode.
  • High light transmission and light diffusion
  • Makrolon® sheets resist temperatures of -100 to +120 °C.

Recommended Uses

  • Typical applications for Makrolon® DX diffuser sheets include all kinds of LED lighting fixtures and luminaires. The sheets offer protection against involuntary breakage and willful destruction therefore can also be applied in LED-based signage applications and street furniture where efficient lighting technologies are in use. Makrolon® DX sheets can be thermoformed, cold-curved and fabricated with ease.
Test Conditions Typical Values(1) Unit Test Method
<b>PHYSICAL<br></b>
Density 1200 kg/m3 ISO 1183-1
Water absorption saturation water at 23°C 0.3 % ISO 62
Water absorption equilibrium 23°C, 50 % RH 0.12 % ISO 62
Refractive Index Procedure A 1,586 – ISO 489
<b>MECHANICAL</b>
Tensile Modulus 1 mm/min 2300 MPa ISO 527-1,-2
Yield Stress 50 mm/min >60 MPa ISO 527-1,-2
Yield Strain 50 mm/min 6 % ISO 527-1,-2
Nominal strain at break 50 mm/min >50 % ISO 527-1,-2
Flexural modulus 2 mm/min 2300 MPa ISO 178
Flexural strength 2 mm/min 90 MPa ISO 178
Charpy impact strength 23°C, unnotched non-break kJ/m2 ISO 179-1eU
Charpy impact strength 23°C, 3 mm, notched 70P kJ/m2 ISO 179-1eU
Izod impact strength 23°C, 3.2 mm, notched 80P kJ/m2 ISO 180-A
<b>ELECTRICAL</b>
Electrical strength 1 mm 34 kV/mm IEC 60243-1
Volume resistivity 1E14 Ohm.m IEC 60093
Surface resistivity 1E16 Ohm IEC 60093
Relative permittivity 100 Hz 3.1 – IEC 60250
Relative permittivity 1 MHz 3 – IEC 60250
Dissipation factor 100 Hz 5 10-4 – IEC 60250
Dissipation factor 1 MHz 90 10-4 – IEC 60250





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