- Plastics
Makrolon® TC621
polycarbonate; medium viscosity; easy processing; flame retardant; high thermal conductivity; electrically conductive; light components; LED heat sinks (metal replacement); components for heat dissipation
i
Market Switch
Selection will influence the results you get.
About
Product Types
- Polycarbonate
Material
- Plastics
- Thermal conductive
General Characterization
No data available
Storage Conditions
No data available
Sampling
No data available
Packaging Type
No data available
Technical Properties & Datasheets
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Barrel Temperatures - Front | - | °C | 290 - 310 | |
| Barrel Temperatures - Middle | - | °C | 280 - 300 | |
| Barrel Temperatures - Nozzle | - | °C | 300 - 320 | |
| Barrel Temperatures - Rear | - | °C | 270 - 290 | |
| Dry Air Drying Temperature | - | °C | 110 | |
| Dry Air Drying Time | - | h | 4 | |
| Hold Pressure (% of injection pressure) | - | % | 50 - 75 | |
| Melt temperatures | - | °C | 310 | |
| Moisture Content max. (%) | - | % | <= 0.02 | |
| 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 | 2.0 mm | Class | V-0 (BK) |
| Coefficient of linear thermal expansion, normal | ISO 11359-1,-2 | 23 to 55 °C | 10^-4^/K | 0.4 |
| 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 | 875 |
| Glow wire test (GWIT) | IEC 60695-2-13 | 3.0 mm | °C | 930 |
| 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 | 125 |
| Thermal conductivity, in-plane | ASTM E1461 | 23 °C; 50 % r. h. | W/(m*K) | 16 |
| Thermal conductivity, through-plane | ASTM E1461 | 23 °C; 50 % r. h. | W/(m*K) | 1.4 |
| 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 | 4 |
| Flexural modulus | ISO 178 | 2 mm/min | MPa | 9000 |
| Flexural strain at flexural strength | ISO 178 | 2 mm/min | % | 1 |
| Flexural strength | ISO 178 | 2 mm/min | MPa | 62 |
| Strain at break | ISO 527-1,-2 | 5 mm/min | % | 1 |
| Stress at break | ISO 527-1,-2 | 5 mm/min | MPa | 40 |
| Tensile modulus | ISO 527-1,-2 | 1 mm/min | MPa | 8500 |
| 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 | 120 |
| Melt viscosity | b.o. ISO 11443-A | 1000 s^-1^/ 300 °C | Pa*s | 200 |
| 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 |
|---|---|---|---|---|
| Resistivity of conductive plastics | ISO 3915 | Ohm*m | 1E+00 |
| 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 | 1420 |
Downloads
-
Technical Data Sheet
-
Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
