PC 1803 Covestro High viscosity, heat-resistant, enhanced flame retardant, automotive applications, electrical applications

PC 1803 Covestro High viscosity, heat-resistant, enhanced flame retardant, automotive applications, electrical applications

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Apec® 1803

 

Copolycarbonate; MVR (330 °C/2.16 kg) 10 cm³/10 min; high viscosity; UV stabilized; softening temperature (VST/B 120) = 184 °C


Product Types

  • Polycarbonate

Material

Plastics
UV stable, Heat resistant

General Characterization

No data available

Technical Properties & Datasheets

Applications

Typical Values

Rheological properties

Property Test Condition Value Unit Standard
Melt Volume-flow Rate (MVR) 330 °C/ 2.16 kg 10 cm³/10min ISO 1133-1
Melt Mass-flow Rate (MFR) 330 °C/ 2.16 kg 10 g/10 min ISO 1133
Molding Shrinkage, parallel 60x60x2 mm 0.85 % ISO 294-4
Molding Shrinkage, normal 60x60x2 mm 0.85 % ISO 294-4

Mechanical properties (23 °C/50 % r. h.)

Property Test Condition Value Unit Standard
Tensile modulus 1 mm/min 2,350 MPa ISO 527-1,-2
Yield Stress 50 mm/min 72 MPa ISO 527-1,-2
Yield Strain 50 mm/min 6.8 % ISO 527-1,-2
Nominal Strain at Break 50 mm/min > 50 % ISO 527-1,-2
Flexural Modulus 2 mm/min 2,400 MPa ISO 178
Flexural Strength 2 mm/min 106 MPa ISO 178
Ball Indentation Hardness 121 N/mm² ISO 2039-1

Thermal properties

Property Test Condition Value Unit Standard
Temperature of Deflection under Load 0.45 MPa 174 °C ISO 75-1,-2
Temperature of Deflection under Load 1.80 MPa 158 °C ISO 75-1,-2
Vicat Softening Temperature 50 N; 120 °C/h 184 °C ISO 306
Coefficient of Linear Thermal Expansion, parallel 23 to 55 °C 0.65 10⁻⁴/K ISO 11359-1,-2
Coefficient of Linear Thermal Expansion, normal 23 to 55 °C 0.65 10⁻⁴/K ISO 11359-1,-2
Burning Behaviour 1.5 mm HB UL 94
Oxygen Index Method A 25 % ISO 4589-2
Relative Temperature Index (Tensile Impact Strength) 130 °C UL 746B
Relative Temperature Index (Electric Strength) 150 °C UL 746B
Glow Wire Test (GWFI) 850 °C IEC 60695-2-12

Electrical properties (23 °C/50 % r. h.)

Property Test Condition Value Unit Standard
Relative Permittivity 1 MHz 2.8 IEC 60250
Relative Permittivity 100 Hz 2.9 IEC 60250
Dielectric Dissipation Factor 1 MHz 80 10⁻⁴ IEC 60250
Dielectric Dissipation Factor 100 Hz 10 10⁻⁴ IEC 60250
Volume Resistivity 1E15 Ω·m IEC 60093
Volume Resistivity 1E15 Ω·m IEC 62631-3-1
Surface Resistivity 1E16 Ω IEC 60093
Surface Resistivity 1E16 Ω IEC 62631-3-2
Electric Strength 1 mm 35 kV/mm IEC 60243-1
Comparative Tracking Index (CTI) Solution A 450 IEC 60112
Comparative Tracking Index (CTI M) Solution B 100 IEC 60112
Electrolytic Corrosion A1 IEC 60426

Other properties (23 °C)

Property Test Condition Value Unit Standard
Water Absorption (Saturation Value) Water at 23 °C 0.3 % ISO 62
Water Absorption (Equilibrium Value) 23 °C; 50 % r. h. 0.12 % ISO 62
Density 1,150 kg/m³ ISO 1183-1

Material specific properties

Property Test Condition Value Unit Standard
Luminous Transmittance (Clear Transparent Materials) 1 mm 89 % ISO 13468-2
Refractive Index Procedure A 1.573 ISO 489

Processing conditions for test specimens

Property Test Condition Value Unit Standard
Injection Molding - Melt Temperature 330 °C ISO 294
Injection Molding - Mold Temperature 100 °C ISO 294
Injection Molding - Injection Velocity 200 mm/s ISO 294

Recommended processing and drying conditions

Property Test Condition Value Unit Standard
Standard Melt Temperature 335 °C
Barrel Temperatures Nozzle 325 - 335 °C
Barrel Temperatures Front 315 - 325 °C
Barrel Temperatures Middle 305 - 315 °C
Barrel Temperatures Rear 295 - 305 °C
Mold Temperatures 120 - 140 °C
Hold Pressure (% of Injection Pressure) 50 - 75 %
Plastic Back Pressure (specific) 50 - 150 bar
Peripheral Screw Speed 0.05 - 0.2 m/s
Shot-to-Cylinder Size 30 - 70 %
Dry Air Drying Temperature 130 °C
Dry Air Drying Time 2 - 3 h
Moisture Content max. (%) ≤ 0.02 %
Vent Depth 0.025 - 0.075 mm

 

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