Covestro Bayblend® FR3021

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Covestro Bayblend PC ABS blend

Bayblend® FR3021 PC/ABS Resin

Covestro Bayblend FR3021 is a mineral-reinforced, flame-retardant PC+ABS blend engineered for high-stiffness applications. With UL 94 V-0 certification at 1.5mm, exceptional dimensional stability (tensile modulus: 4800 MPa), and thermal resilience (Vicat 98°C), it ensures safety and reliability in demanding environments.

  • Character: (PC+ABS) blend; 15 % mineral filled; flame retardant; Vicat/B 120 temperature = 98 °C; high stiffness; tensile modulus = 4800 MPa; UL recognition 94 V-0 at 1.5 mm; glow wire temperature (GWFI): 960 °C at 2.0 mm
  • Application: Injection molding
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Key technical data (ISO)

  • Tensile Modulus: 4,800 MPa
  • Flexural Strength: 105 MPa
  • Impact Resistance (Izod Notched): 6 kJ/m²
  • Heat Deflection (1.8 MPa): 85°C
  • Vicat Softening (B120): 98°C
  • Linear Expansion: 4.6–6.3 × 10⁻⁵ K⁻¹
  • UL 94 Rating: V-0 at 1.5mm (V-0 at 1.2mm for black/gray)
  • Glow Wire (GWFI): 960°C
  • Volume Resistivity: 1 × 10¹⁴ Ω·m
  • CTI: 275 (Solution A)
  • Density: 1,280 kg/m³
  • Waer Absorption: 0.2% (equilibrium)

Download

Covestro Bayblend FR3021 ISO Data SheetDownload

Application

  • Electronics: Housings for switches, connectors, and circuit breakers requiring flame resistance.
  • Automotive: Dashboard components, control panels, and structural parts needing stiffness and fire safety.
  • Industrial: Power tool casings, machinery guards, and enclosures exposed to heat/electrical stress.

Features & Benefits

Uncompromising Flame Safety

Bayblend FR3021 (PC+ABS) delivers UL 94 V-0 compliance at 1.5mm and glow wire resistance (960°C), preventing fire hazards in electronics and automotive interiors. Ideal for high-risk settings.

High Stiffness & Stability

The 15% mineral filling boosts tensile modulus to 4800 MPa and minimizes shrinkage (0.3–0.5%), ensuring precision parts retain shape under stress—perfect for structural components.

Thermal & Electrical Reliability

With a Vicat softening temperature of 98°C and CTI 275 electrical rating, it withstands heat and resists tracking in power components, reducing failure risks.

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