Delrin® 525GR BK000
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Delrin® 525GR BK000 is a 25% Glass Reinforced Medium Viscosity Acetal Homopolymer
Polymer Name: Polyacetal Homopolymer (POM)
Processing Methods: Injection Molding
Fillers Included: Glass Fiber
Flexural Modulus: 8500.0 MPa
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Delrin® 525GR BK000 Features & Benefits
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Properties
Physical Properties
| Value | Units | Test Method / Conditions | |
| Melt Mass Flow Rate - MFR (190°C/2.16 kg) | 7.5 | g/10 min | ASTM D1238 |
Mechanical Properties
| Value | Units | Test Method / Conditions | |
| Tensile Modulus | 9500 | MPa | ISO 527-2/1A/1 |
| Flexural Modulus | 8500 | MPa | ASTM D 790 |
| Flexural Stress at 3.5% | 200 | MPa | ISO 178 |
| Charpy Impact Strength (23°C) | 50 | kJ/m2 | ISO 179/1eU |
| Charpy Notched Impact Strength (-30°C) | 7.5 | kJ/m2 | ISO 179 |
| Poisson's Ratio | 0.34 | - | ASTM E132 |
Thermal Properties
| Value | Units | Test Method / Conditions | |
| Melting Temperature (10°C/min) | 178 | °C | ISO 11357-1/-3 |
| Temperature of Deflection Under Load(1.8 MPa) | 172 | °C | ISO 75-1/-2 |
| Temperature of Deflection Under Load (0.45 MPa) | 175 | °C | ISO 75-1/-2 |
Flammability
| Value | Units | Test Method / Conditions | |
| FMVSS Class | B | - | ISO 3795 (FMVSS 302) |
| Burning Rate (1 mm, Thickness) | 44 | mm/min | ISO 3795 (FMVSS 302) |
Other Properties
| Value | Units | Test Method / Conditions | |
| Density | 1590 | kg/m³ | ISO 1183 |
Processing Information (Injection Molding)
| Value | Units | Test Method / Conditions | |
| Drying Recommended | Yes | - | - |
| Drying Temperature | 80 | °C | - |
| Drying Time (Dehumidified Dryer) | 2.0 - 4.0 | h | - |
| Processing Moisture Content | ≤0.2 | % | - |
| Melt Temperature Optimum | 215 | °C | - |
| Min. Melt Temperature | 210 | °C | - |
| Max. Melt Temperature | 220 | °C | - |
| Mold Temperature Optimum | 90 | °C | - |
| Min. Mold Temperature | 80 | °C | - |
| Max. Mold Temperature | 100 | °C | - |
| Hold Pressure Range | 80 - 100 | MPa | - |
| Hold Pressure Time | 8 | s/mm | - |
VDA Properties
| Value | Units | Test Method / Conditions | |
| Fogging - F Value (Refraction) | 90DS | % | ISO 6452 |
| Fogging - F Value (Refraction) | AMin | % | ISO 6452 |
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Delrin® 525GR BK000
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