LEXAN™ PC Resin OQ3820

LEXAN™ PC Resin Sabic Tianjin

SABIC Lexan OQ3820 UV-stabilized

LEXAN™ OQ3820 resin is a 7.4 MFR polycarbonate, MVR of 6. UV stabilized. High viscosity, superior optical clarity and robust performance. Designed for ophthalmic lenses.

  • Character: 7.4 MFR, MVR of 6. UV stabilized.
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Typical property data

Mechanical Properties

  • Tensile Stress at Yield: 62 MPa
  • Tensile Modulus: 2270 MPa
  • Flexural Stress at Yield: 93 MPa
  • Flexural Modulus: 2410 MPa

Impact Properties

  • Izod Impact, Notched (23°C): 918 J/m
  • Instrumented Dart Impact Total Energy (23°C): 85 J
  • Charpy Impact (23°C, V-notch): 75 kJ/m²

Thermal Properties

  • Vicat Softening Temperature (Rate B/50): 150 °C
  • Heat Deflection Temperature (HDT) @ 1.82 MPa: 129 °C
  • Coefficient of Thermal Expansion (CTE), flow: 7.74E-05 1/°C

Physical Properties

  • Specific Gravity: 1.19
  • Mold Shrinkage, flow: 0.6 – 0.8 %
  • Water Absorption (saturated): 0.32 %
  • Melt Flow Rate (300°C/1.2 kg): 7.4 g/10 min

Processing Guidelines

  • Drying Temperature: 120 °C for 3-4 hours
  • Melt Temperature: 310 – 330 °C
  • Mold Temperature: 80 – 115 °C
  • Maximum Moisture Content: 0.02%

Features & Benefits

Superior Optical Clarity & Stability

LEXAN OQ3820 offers excellent transparency and UV stabilization, ensuring long-term clarity and color stability for lenses that remain visually perfect under prolonged light exposure.

Exceptional Durability and Impact Resistance

With high notched Izod impact strength, this resin provides outstanding toughness and reliability, reducing breakage risks in finished ophthalmic products and enhancing user safety.

Optimized for Precision Molding

Its consistent flow and controlled shrinkage allow for precise, repeatable molding of complex lens geometries, improving manufacturing yield and part quality.

LEXAN™ PC Resin

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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