Covestro

Makrolon 2807 012631 Roma White

Makrolon 2807 012631 Roma White is a general-purpose, medium-viscosity Polycarbonate (PC) grade (Roma White, colour/batch 012631). UV stabilized with easy release; higher melt strength suits larger and thicker injection-moulded parts.
Key properties: Density 1.20 g/cm³ | MVR 9.0 cm³/10 min @ 300°C/1.2 kg | Tensile Strength 66 MPa | Vicat 143°C.
GradeMakrolon 2807 012631 Roma White
MaterialPC
ColorRoma White (012631)
MFI9.0 cm³/10 min (MVR @ 300°C/1.2 kg)
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Material Snapshot

Grade
Makrolon 2807 012631 Roma White
Material Type
PC
Manufacturer
Covestro
Brand
Makrolon
Color
Roma White (012631)
Density
1.20 g/cm³
MFI
9.0 cm³/10 min (MVR @ 300°C/1.2 kg)
Supply Form
Granules

Applications

  • Automotive lighting and glazing
  • LED lighting covers and diffusers
  • Electrical & electronic housings and connectors
  • Safety glazing, machine guards and sight glasses
  • Large transparent covers and housings
  • Consumer electronics housings
  • Appliance components

Key Features

  • General-purpose, medium viscosity (MVR 9.0 cm³/10 min)
  • Higher melt strength for larger / thicker parts
  • UV stabilized
  • Easy mould release
  • High clarity — 89% light transmittance
  • High impact strength (Charpy notched 75 kJ/m²)
  • Heat resistant (Vicat 143°C)

Mechanical Properties

Impact Strength
Charpy Notched: 75 kJ/m² (23°C); 14 kJ/m² (-30°C)
Tensile Strength
66 MPa
Tensile Modulus
2400 MPa
Flexural Strength
98 MPa
Flexural Modulus
2400 MPa

Thermal & Processing

Heat Deflection Temperature
124°C at 1.80 MPa; 136°C at 0.45 MPa
Vicat Softening Temperature
143°C (50 N)
Melt Temperature Range
Melt: 280 - 320°C / Mold: 80 - 120°C
Drying Conditions
120°C / 2 - 3 hr
Processing Temp
Melt: 280 - 320°C / Mold: 80 - 120°C

Performance Properties

Electrical Properties
Dielectric Strength: 34 kV/mm
Volume Resistivity: 1E14 Ohm·m
Optical Properties
Light transmittance 89% (2 mm); Refractive index 1.586; Haze < 0.8% (3 mm)
Flammability Rating
V-2
Water Absorption
0.30% (saturation); 0.12% (equilibrium)
Mold Shrinkage
0.6 - 0.8%

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