Covestro

Makrolon 2805 021644 Diffuser Grade

Makrolon 2805 021644 is a light-diffusion Polycarbonate (PC) grade (diffuser grade, colour/batch 021644), suited to LED lighting covers and luminaire optics.
Full technical specifications pending datasheet.
GradeMakrolon 2805 021644 Diffuser Grade
MaterialPC
ColorDiffuser (021644)
MFI9.0 cm³/10min (MVR @ 300 °C/ 1.2 kg)
Request Quote

Material Snapshot

Grade
Makrolon 2805 021644 Diffuser Grade
Material Type
PC
Manufacturer
Covestro
Brand
Makrolon
Color
Diffuser (021644)
Density
1.200 g/cm³
MFI
9.0 cm³/10min (MVR @ 300 °C/ 1.2 kg)
Supply Form
Granules

Applications

  • LED lighting diffusers and covers
  • Luminaire optics and light guides
  • Backlit signage and displays
  • Architectural lighting panels

Key Features

  • Light-diffusion polycarbonate grade
  • High light diffusion with good transmittance
  • UV stabilized
  • Injection moulding grade

Availability

Full technical specifications pending datasheet upload.

Mechanical Properties

Impact Strength
Charpy Notched: 75 kJ/m²
Izod Notched: 70 kJ/m²
Tensile Strength
66 MPa
Tensile Modulus
2400 MPa
Flexural Strength
97 MPa
Flexural Modulus
2400 MPa

Thermal & Processing

Heat Deflection Temperature
125°C at 1.8 MPa
Vicat Softening Temperature
144°C
Melt Temperature Range
Melt: 280 - 320°C / Mold: 80 - 120°C
Drying Conditions
120°C / 2-3hr
Processing Temp
Melt: 280 - 320°C / Mold: 80 - 120°C

Performance Properties

Electrical Properties
Dielectric Strength: 34 kV/mm
Volume Resistivity: 1E14 Ohm·m
Flammability Rating
V-2
Water Absorption
0.30%
Mold Shrinkage
0.6 - 0.8%

Need help selecting the right grade?

Send us your application requirement and our team will help identify suitable material options.

Share your application, processing method, required properties, and estimated quantity for faster assistance.

Submit Inquiry