COVESTRO BAYBLEND FR 3000 HI PC/ABS Resin

Covestro Bayblend FR 3000 HI PC/ABS is a flame-retardant, halogen-free blend of polycarbonate (PC) and acrylonitrile butadiene styrene (ABS).

Physical Properties

  • Density: Measured per ISO 1183, density is 1.18 g/cc (0.0426 lb/in³), typical of flame-retardant PC/ABS blends.
  • Water Absorption: Absorbs 0.50% water at saturation (ISO 62-like method), showing moderate resistance to humidity.
  • Moisture Absorption at Equilibrium: Holds 0.20% moisture at equilibrium (ISO 62), ensuring stability in ambient conditions.
  • Viscosity: At a shear rate of 1000 s⁻¹ and temperature of 260 °C (500 °F), the viscosity is 185,000 cP, based on ISO 11443-A.
  • Linear Shrinkage (Flow): Flow-direction shrinkage is 0.0050–0.0070 cm/cm (ISO 2577) for 150x105x3 mm plaques.
  • Linear Shrinkage (Transverse): Transverse shrinkage matches flow at 0.0050–0.0070 cm/cm (ISO 2577), reducing warpage.
  • Melt Flow: At 240 °C (464 °F) under 5.00 kg (11.0 lb), the melt flow rate is 24 g/10 min (ISO 1133), enabling efficient filling of medium-complexity mold cavities.

Polymer Properties:

  • Base Material: PC (Polycarbonate) + ABS (Acrylonitrile Butadiene Styrene)
  • Key Features and Properties:
    • High Impact Strength: The defining feature of Bayblend FR 3000 HI is its exceptional toughness.
    • Flame Retardancy (UL 94 V-0): This material is a top choice for safety-critical applications.
    • Good Heat Resistance: Bayblend FR 3000 HI offers good thermal stability, with a Vicat softening temperature (VST/B/50) of approximately 105 °C (ISO 306).
    • Excellent Aesthetics and Processing: The material is known for its excellent flow properties and good surface finish.

Applications:

  • Electrical: Bayblend FR 3000 HI is a top choice for a wide range of electrical and electronic enclosures due to its safety ratings and balanced performance.
  • ppliance Housings: This material is used for both small and large appliance housings.
  • Automotive Interior Parts: Bayblend FR 3000 HI is also used in automotive interiors where a fire-safe material with good aesthetics and durability is needed.

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