Makrolon® MD4821
medium viscosity; easy release; impact modified; 20 % glass fiber reinforced; improved chemical resistance compared to standard Makrolon grades; housing parts; Information technology; electrical/electronic
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About
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Material
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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 |
|---|---|---|---|---|
| Dry Air Drying Temperature | - | °C | 120 | |
| Dry Air Drying Time | - | h | 4 - 6 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Coefficient of linear thermal expansion, normal | ISO 11359-1,-2 | 23 to 55 °C | 10^-4^/K | 0.58 |
| Coefficient of linear thermal expansion, parallel | ISO 11359-1,-2 | 23 to 55 °C | 10^-4^/K | 0.23 |
| Temperature of deflection under load | ISO 75-1,-2 | 0.45 MPa | °C | 142 |
| Temperature of deflection under load | ISO 75-1,-2 | 1.80 MPa | °C | 138 |
| Vicat softening temperature | ISO 306 | 50 N; 120 °C/h | °C | 147 |
| Vicat softening temperature | ISO 306 | 50 N; 50 °C/h | °C | 145 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Charpy notched impact strength | ISO 21305/based on ISO 179/1eA | -30 °C/ 3 mm | kJ/m² | 13C |
| Charpy notched impact strength | ISO 21305/based on ISO 179/1eA | 23 °C/ 3 mm | kJ/m² | 17C |
| Flexural modulus | ISO 178 | 2 mm/min | MPa | 5640 |
| Flexural strength | ISO 178 | 2 mm/min | MPa | 158 |
| Izod impact strength | ISO 180/U | 23 °C | kJ/m² | 50 |
| Izod notched impact strength | ISO 21305/based on ISO 180/A | 23 °C/ 3 mm | kJ/m² | 19C |
| Izod notched impact strength | ISO 21305/based on ISO 180/A | -30 °C/ 3 mm | kJ/m² | 15C |
| Puncture energy | ISO 6603-2 | 23 °C | J | 8 |
| Puncture impact properties - maximum force | ISO 6603-2 | 23 °C | N | 1120 |
| Strain at break | ISO 527-1,-2 | 5 mm/min | % | 3 |
| Stress at break | ISO 527-1,-2 | 5 mm/min | MPa | 98 |
| Tensile modulus | ISO 527-1,-2 | 1 mm/min | MPa | 6100 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Melt volume-flow rate | ISO 1133 | 300 °C/ 1.2 kg | cm³/10 min | 9 |
| Molding shrinkage, parallel/normal | b.o. ISO 2577 | Value range based on general practical experience | % | 0.2 - 0.5 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Injection molding - Melt temperature | ISO 294 | °C | 310 | |
| Injection molding - Mold temperature | ISO 294 | °C | 90 |
| Property Name | Standard | Test condition | Unit | Value |
|---|---|---|---|---|
| Density | ISO 1183-1 | kg/m³ | 1310 |
Downloads
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Technical Data Sheet
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Safety Data SheetNo direct download available, please visit www.productsafetyfirst.covestro.com
