Delrin® 500T is a toughened, medium viscosity acetal homopolymer resin for injection molding with impact resistance similar to Delrin® 100. It can be used in parts requiring noise reduction.
Polymer Name: Polyacetal Homopolymer (POM)
Processing Methods: Injection Molding, Extrusion
Additives Included: Mold Release Agent, Lubricant (Unspecified)
Flexural Modulus: 2100.0 MPa
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Delrin® 500T BK602 Features & Benefits
Materials Features
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Properties
Mechanical Properties
| Value | Units | Test Method / Conditions | |
| Tensile Modulus | 2300 | MPa | ISO 527-1/-2 |
| Yield Stress | 55 | MPa | ISO 527-1/-2 |
| Yield Strain | 17 | % | ISO 527-1/-2 |
| Flexural Modulus | 2100 | MPa | ISO 178 |
| Nominal Strain (at Break) | 30 | % | ISO 527-1/-2 |
| Poisson's Ratio | 0.39 | - | - |
| Flexural Stress (at 3.5%) | 60 | MPa | ISO 178 |
| Notched Charpy Impact Strength (at 23°C) | 12 | kJ/m² | ISO 179/1eA |
| Notched Charpy Impact Strength (at -30°C) | 8 | kJ/m² | ISO 179/1eA |
| Notched Izod Impact Strength (at 23°C) | 12 | kJ/m² | ISO 180/1A |
| Notched Izod Impact Strength (at -30°C) | 9 | kJ/m² | ISO 180/1A |
| Notched Izod Impact Strength (at -40°C) | 9 | kJ/m² | ISO 180/1A |
Typical Properties
| Value | Units | Test Method / Conditions | |
| Resin Identification | POM-I | - | ISO 1043 |
Thermal Properties
| Value | Units | Test Method / Conditions | |
| Melt Temperature (at 10°C/min) | 178 | °C | ISO 11357-1/-3 |
| Temperature of Deflection Under Load (1.8 Mpa) | 80 | °C | ISO 75-1/-2 |
| Temperature of Deflection Under Load (0.45 Mpa) | 145 | °C | ISO 75-1/-2 |
| Relative Thermal Index (Electrical, 0.75mm) | 105 | °C | UL 746B |
| Relative Thermal Index (Electrical, 1.5mm) | 105 | °C | UL 746B |
| Relative Thermal Index (Electrical, 3mm) | 105 | °C | UL 746B |
| Relative Thermal Index (Impact, 0.75mm) | 85 | °C | UL 746B |
| Relative Thermal Index (Impact, 1.5mm) | 85 | °C | UL 746B |
| Relative Thermal Index (Impact, 3mm) | 85 | °C | UL 746B |
| Relative Thermal Index (Strength, 0.75mm) | 85 | °C | UL 746B |
| Relative Thermal Index (Strength, 1.5mm) | 85 | °C | UL 746B |
| Relative Thermal Index (Strength, 3mm) | 85 | °C | UL 746B |
Flammability
| Value | Units | Test Method / Conditions | |
| FMVSS Class | B | - | ISO 3795 (FMVSS 302) |
| Burning Behavior (at 1.5mm Nominal Thickness) | UL94 HB | class | IEC 60695-11-10 |
| Burning Behavior (at 0.75mm Thickness) | UL94 HB | class | IEC 60695-11-10 |
| Burning Rate (at 1mm Thickness) | 55 | mm/min | ISO 3795 (FMVSS 302) |
Other Properties
| Value | Units | Test Method / Conditions | |
| Density of Melt | 1190 | kg/m³ | - |
| Density | 1390 | kg/m³ | ISO 1183 |
Processing Information (Injection Molding)
| Value | Units | Test Method / Conditions | |
| Drying Recommended | yes | - | - |
| Drying Temperature | 80 | °C | - |
| Drying Time (Dehumidified Dryer) | 4 - 8 | h | - |
| Processing Moisture Content | max. 0.05 | % | - |
| Hold Pressure Range | 60 - 80 | MPa | - |
| Hold Pressure Time | 7.5 | s/mm | - |
| Annealing Temperature | 160 | °C | - |
| Melt Temperature (Optimum) | 205 | °C | - |
| Melt Temperature (Minimum) | 200 | °C | - |
| Melt Temperature (Maximum) | 210 | °C | - |
| Mold Temperature (Optimum) | 50 | °C | - |
| Mold Temperature (Minimum) | 40 | °C | - |
| Mold Temperature (Maximum) | 60 | °C | - |
| Annealing Time (Optional) | 30 | min/mm | - |
Rheological Properties
| Value | Units | Test Method / Conditions | |
| Melt Mass Flow Rate (at 190°C, 2.16 kg) | 12 | g/10min | ISO 1133 |
| Mold Shrinkage (Parallel) | 1.5 | % | ISO 294-4, 2577 |
| Mold Shrinkage (Normal) | 1.6 | % | ISO 294-4, 2577 |
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Delrin® 500T BK602
DuPont