LEXAN™ PC Resin 221R

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LEXAN™ PC Resin Sabic Tianjin

Lexan 221R Flame Retardant Grade

Sabic LEXAN™ 221R resin is an 18 MFR, flame-retardant polycarbonate (UL94 V2 rated) with built-in mold release. It offers an excellent balance of high impact strength, clarity, and thermal stability.

  • Character: 18 MFR, Flame retardant grade, UL94 V2 rated
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Key technical data

  • Tensile Strength (Yield): 62 MPa
  • Flexural Modulus: 2340 MPa
  • Izod Impact (Notched): 694 J/m
  • Rockwell Hardness (M Scale): 70
  • Heat Deflection Temp (HDT @ 1.82 MPa): 129°C
  • Vicat Softening Temperature: 154°C
  • Relative Temperature Index (Electrical & Mechanical): 130°C
  • Specific Gravity: 1.20
  • Mold Shrinkage: 0.5 – 0.7%
  • Light Transmission (2.54mm): 88%
  • Water Absorption (24hr): 0.15%
  • Flame Class Rating: UL 94 V-2 (1.09mm)
  • Volume Resistivity: >1.5 x 10¹⁷ Ω·cm
  • Dielectric Strength: 14.9 kV/mm
  • Melt Temperature: 280 – 305°C
  • Mold Temperature: 70 – 95°C
  • Drying: 3-4 hours at 120°C (max moisture 0.02%)

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Application

  • Consumer Electronics Housings
  • Electrical Components
  • Automotive Interior Parts
  • Enclosures and Covers for Lighting and Indicators
  • Various Industrial and Consumer Durables

Features & Benefits

Inherent Flame Retardant Safety

This LEXAN 221R grade is UL94 V2 recognized, providing a critical level of fire resistance. This built-in safety feature is essential for electronics housings and interior components.

Exceptional Toughness & Durability

With its very high impact resistance, LEXAN Resin 221R withstands sudden drops and impacts. This translates to longer-lasting products, reduced breakage during assembly or use, and enhanced reliability.

High Clarity with Processing Ease

The material offers over 88% light transmission with low haze, ideal for lenses, covers, or indicators requiring visibility. The included mold release agent and specified drying profile facilitate smoother production cycles.

LEXAN™ PC Resin

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