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Makrolon® TC421 RE CQ

polycarbonate; flame retardant; high thermal conductivity; light components; LED heat sinks (metal replacement); components for heat dissipation

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Product Types

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Material

Plastics
CQ renewable attributed

General Characterization

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Storage Conditions

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Sampling

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Technical Properties & Datasheets

Property Name Standard Test condition Unit Value
Barrel Temperatures - Front - °C 280 - 300
Barrel Temperatures - Middle - °C 270 - 290
Barrel Temperatures - Nozzle - °C 290 - 310
Barrel Temperatures - Rear - °C 260 - 280
Dry Air Drying Temperature - °C 110
Dry Air Drying Time - h 4
Hold Pressure (% of injection pressure) - % 50 - 75
Melt temperatures - °C 300
Moisture Content max. (%) - % <0.2
Mold Temperatures - °C 80 - 90
Peripheral Screw Speed - m/s 0.05 - 0.2
Plastic Back Pressure (specific) - bar 50 - 150
Shot-to-Cylinder Size - % 30 - 70
Vent Depth - mm 0.0025 - 0.075
Property Name Standard Test condition Unit Value
Burning behavior UL 94 [UL recognition] UL 94 3.0 mm Class V-0 (BK)
Coefficient of linear thermal expansion, normal ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.5
Coefficient of linear thermal expansion, parallel ISO 11359-1,-2 23 to 55 °C 10^-4^/K 0.3
Glow wire test (GWFI) IEC 60695-2-12 1.5 mm °C 960
Glow wire test (GWFI) IEC 60695-2-12 3.0 mm °C 960
Glow wire test (GWIT) IEC 60695-2-13 1.5 mm °C 850
Glow wire test (GWIT) IEC 60695-2-13 3.0 mm °C 875
Temperature of deflection under load ISO 75-1,-2 0.45 MPa °C 130
Temperature of deflection under load ISO 75-1,-2 1.80 MPa °C 124
Thermal conductivity, in-plane ASTM E1461 23 °C; 50 % r. h. W/(m*K) 0.9
Thermal conductivity, through-plane ASTM E1461 23 °C; 50 % r. h. W/(m*K) 8
Vicat softening temperature ISO 306 50 N; 50 °C/h °C 130
Property Name Standard Test condition Unit Value
Charpy impact strength ISO 179/1eU 23 °C kJ/m² 7
Flexural modulus ISO 178 2 mm/min MPa 7000
Flexural strain at flexural strength ISO 178 2 mm/min % 1.4
Flexural strength ISO 178 2 mm/min MPa 65
Strain at break ISO 527-1,-2 5 mm/min % 1.3
Stress at break ISO 527-1,-2 5 mm/min MPa 45
Tensile modulus ISO 527-1,-2 1 mm/min MPa 6500
Yield strain ISO 527-1,-2 50 mm/min % 0
Yield stress ISO 527-1,-2 50 mm/min MPa 0
Property Name Standard Test condition Unit Value
Melt viscosity b.o. ISO 11443-A 1000 s^-1^/ 330 °C Pa*s 90
Melt viscosity b.o. ISO 11443-A 1000 s^-1^/ 300 °C Pa*s 150
Molding shrinkage, normal ISO 294-4 60x60x2 mm³ % 0.1 - 0.2
Molding shrinkage, parallel ISO 294-4 60x60x2 mm³ % 0.1 - 0.2
Property Name Standard Test condition Unit Value
Volume resistivity IEC 62631-3-1 Ohm*m 1E+02
Property Name Standard Test condition Unit Value
Injection molding - Injection velocity ISO 294 mm/s 200
Injection molding - Melt temperature ISO 294 °C 310
Injection molding - Mold temperature ISO 294 °C 85
Property Name Standard Test condition Unit Value
Density ISO 1183-1 kg/m³ 1330

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Technical Data Sheet
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