LEXAN™ PC Resin OQ4820

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LEXAN™ PC Resin Sabic Tianjin

SABIC Lexan OQ4820 Optical Grade

LEXAN™ OQ4820 resin is a polycarbonate with MVR 6. UV stabilized. Optical grade with UV cut-off up to 400 nm, greater optical purity than standard grades. Suitable for sunglass and sunvisor markets.

  • Character: MVR 6. UV stabilized. UV cut-off up to 400 nm
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Typical property data

Mechanical Properties

  • Tensile Strength at Yield: 63 MPa
  • Tensile Modulus: 2,350 MPa
  • Flexural Strength at Yield: 90 MPa
  • Ball Indentation Hardness: 95 MPa

Impact Properties

  • Izod Impact, Notched (23°C): 70 kJ/m²
  • Charpy Impact, Notched (23°C): 75 kJ/m²

Thermal Properties

  • Vicat Softening Temperature (B/50): 144°C
  • Heat Deflection Temperature (HDT/A @1.8 MPa): 127°C
  • Coefficient of Thermal Expansion (CTE): 7.E-05 1/°C

Physical Properties

  • Density: 1.2 g/cm³
  • Light Transmission (2.54mm): 88 – 89%
  • Water Absorption (Saturated): 0.35%
  • Mold Shrinkage: 0.5 – 0.7%

Flame Performance

  • Glow Wire Flammability Index (850°C): Passes at 1 mm
  • Limiting Oxygen Index (LOI): 25%

Processing Guidelines

  • Drying: 120°C for 2-4 hours
  • Melt Temperature: 290 – 320°C
  • Mold Temperature: 80 – 120°C

Download

LEXAN™ OQ4820 Europe TDSDownload

Associated Documents

Regulatory Data SheetDownload
FMVSS302 General Statement SABIC PetchemDownload
Certified Renewable Polycarbonate BrochureDownload
Certified Renewable Polycarbonate LeafletDownload
LEXAN™ Resin EuropeDownload

Features & Benefits

Superior Clarity with UV Protectionu

This optical-grade OQ4820 resin delivers over 88% light transmission while blocking harmful UV rays up to 400 nm, ensuring long-term product clarity and user protection in sunlight-intensive applications.

Excellent Durability and Impact Resistance

With its high notched impact strength, components made from the Resin OQ4820 are tough and resistant to breakage, enhancing product lifespan and reliability for eyewear and visors.

High Heat Resistance

The material maintains dimensional stability and passes critical thermal tests like the Ball Pressure Test at 125°C, ensuring consistent performance and shape under elevated temperatures.

LEXAN™ PC Resin

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Advanced Manufacturing

Extruder machine
High-speed mixer machine
Water ring pelletizer
Automatic bagging machine
Vibrating screening machine
Plastic rein material warehouse storage capacity
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