VALOX™ FR PBT 553

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SABIC® PC Resin

Valox FR PBT 553 Flame Retardant Grade

VALOX™ FR Resin 553 is a 30% glass-filled, flame-retardant PBT/PC alloy. It offers excellent chemical resistance, superior dimensional stability with low warpage, and top-tier UL94 V-0 & 5VA flammability ratings for demanding applications.

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Key technical data

  • Tensile Strength (Break): 110 MPa
  • Flexural Modulus: 9400 MPa
  • Notched Izod Impact: 85 J/m
  • HDT @1.82 MPa: 160°C
  • Relative Temp Index (Elec): 125°C
  • CTE (Flow): 2.35e-05 /°C
  • UL 94 Rating: V-0 @ 0.86 mm
  • UL 94 Rating: 5VA @ 2.3 mm
  • Oxygen Index (LOI): 37.1%
  • Specific Gravity: 1.59
  • Mold Shrinkage (Flow): 0.3 – 0.5%
  • Volume Resistivity: 4.35e+16 Ω·cm
  • Drying: 120°C for 3-4 hours
  • Melt Temperature: 250 – 265°C
  • Mold Temperature: 65 – 90°C

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Application

  • Appliance Handles and Housings
  • Spotlights and Electrical Enclosures
  • Electric Motor Components
  • Pump Housings and Impellers

Features & Benefits

Superior Flame Retardant Performance

VALOX 553 achieves UL94 V-0 at 0.86mm and 5VA at 2.3mm, ensuring critical safety compliance and enhanced product integrity in electrical and electronic components.

Excellent Dimensional Stability

Its 30% glass-fiber reinforcement minimizes shrinkage and warpage, guaranteeing precise part geometry and long-term reliability in tightly toleranced assemblies.

High Heat & Chemical Resistance

With a Heat Deflection Temperature of 160°C and excellent chemical resistance, VALOX 553 withstands harsh operating environments and extends product service life.

VALOX™ FR PBT resin natual color

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