Delrin® FG911DP is a low viscosity acetal homopolymer with enhanced crystallization for faster cycle times and excellent creep and fatigue resistance. It has improved thermal stability, excellent dimensional stability, low warpage, and fewer voids. It has been developed for applications in contact with food.
Polymer Name: Polyacetal Homopolymer (POM)
Processing Methods: Injection Molding, Extrusion
Additives Included: Mold Release Agent, Lubricant (Unspecified)
Flexural Modulus: 3300.0 MPa
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Processing Notes
Injection Molding
Drying is recommended, but not necessary for newly opened packaging stored in a dry location.
Follow the drying guidelines above in the following cases
- If moisture is above the Processing Moisture Content recommendation,
- When a resin container is damaged,
- When the material is not properly stored in a dry place at room temperature, or
- When packaging stays open for a significant time.
Properties
Mechanical Properties
| Value | Units | Test Method / Conditions | |
| Yield Strain | 10.0 | % | ISO 527-1/-2 |
| Ball Indentation Hardness (H 961/30) | 175DS | MPa | ISO 2039-1 |
| Charpy Notched Impact Strength (23°C) | 6.5 | kJ/m² | ISO 179/1eA |
| Poisson's Ratio | 0.37 | - | - |
| Tensile Modulus | 3400.0 | MPa | ISO 527-1/-2 |
| Yield Stress | 75.0 | MPa | ISO 527-1/-2 |
| Nominal Strain at Break | 20.0 | % | ISO 527-1/-2 |
| Flexural Modulus | 3300.0 | MPa | ISO 178 |
| Flexural Stress at 3.5% | 90.0 | MPa | ISO 178 |
| Charpy Impact Strength (23°C) | 160.0 | kJ/m² | ISO 179/1eU |
| Charpy Impact Strength (-30°C) | 150.0 | kJ/m² | ISO 179/1eU |
| Charpy Notched Impact Strength (-30°C) | 6.0 | kJ/m² | ISO 179/1eA |
Physical Properties
| Value | Units | Test Method / Conditions | |
| Moulding Shrinkage - Parallel | 1.9 | % | ISO 294-4, 2577 |
| Moulding Shrinkage - Normal | 1.8 | % | ISO 294-4, 2577 |
| Melt Volume-Flow Rate - MVFR (190°C/2.16 kg) | 21.0 | cm³/10min | ISO 1133 |
| Melt Mass-Flow Rate - MFR (190°C/2.16 kg) | 24.0 | g/10min | ISO 1133 |
Thermal Properties
| Value | Units | Test Method / Conditions | |
| Coefficient of Linear Thermal Expansion - Normal | 100.0 | E-6/K | ISO 11359-1/-2 |
| Melting Temperature (10°C/Min) | 178.0 | °C | ISO 11357-1/-3 |
| Temperature of Deflection Under Load (0.45 Mpa) | 163.0 | °C | ISO 75-1/-2 |
| Relative Temperature Index - Electrical (0.75 mm) | 50.0 | °C | UL 746B |
| Relative Temperature Index - Impact (0.75 mm) | 50.0 | °C | UL 746B |
| Relative Temperature Index - Impact (1.5 mm) | 85.0 | °C | UL 746B |
| Relative Temperature Index - Strength (0.75 mm) | 50.0 | °C | UL 746B |
| Relative Temperature Index - Strength (1.5 mm) | 90.0 | °C | UL 746B |
| Coefficient of Linear Thermal Expanison - Parallel | 100.0 | E-6/K | ISO 11359-1/-2 |
| Relative Temperature Index - Electrical (1.5 mm) | 110.0 | °C | UL 746B |
| Relative Temperature Index - Electrical (3 mm) | 110.0 | °C | UL 746B |
| Relative Temperature Index - Impact (3 mm) | 90.0 | °C | UL 746B |
| Relative Temperature Index - Strength (3 mm) | 95.0 | °C | UL 746B |
| Temperature of Deflection Under Load (1.8 Mpa) | 108.0 | °C | ISO 75-1/-2 |
Flammability
| Value | Units | Test Method / Conditions | |
| Thickness Tested | 1.5 | mm | IEC 60695-11-10 |
| Burning Behaviour (Thickness h) | HB | class | IEC 60695-11-10 |
| Burning Behaviour (1.5 mm, Nominal Thickness) | HB | class | IEC 60695-11-10 |
| Thickness Tested | 0.8 | mm | IEC 60695-11-10 |
| Ul Recognition | Yes | - | UL 94 |
| FMVSS Class | B | - | ISO 3795 (FMVSS 302) |
| Burning Rate (1 mm, Thickness) | 25.0 | mm/min | ISO 3795 (FMVSS 302) |
Other Properties
| Value | Units | Test Method / Conditions | |
| Humidity Absorption (2 mm) | 0.2 | % | Sim. to ISO 62 |
| Water Absorption (2 mm) | 0.9 | % | Sim. to ISO 62 |
| Density | 1420.0 | kg/m³ | ISO 1183 |
Processing Information (Extrusion)
| Value | Units | Test Method / Conditions | |
| Melt Temperature Range | 195 - 205 | °C | - |
| Drying Temperature | 75 - 85 | °C | - |
| Drying Time (Dehumidified Dryer) | 2 .0 - 4 | h | - |
| Processing Moisture Content | ≤ 0.2 | % | - |
| Melt Temperature Optimum | 200.0 | °C | - |
Processing Information (Injection Molding)
| Value | Units | Test Method / Conditions | |
| Hold Pressure Time | 7.5 | s/mm | - |
| Hold Pressure Range | 80 - 100 | MPa | - |
| Drying Temperature | 80.0 | °C | - |
| Drying Recommended | Yes | - | - |
| Drying Time (Dehumidified Dryer) | 2 .0 - 4 | h | - |
| Melt Temperature Optimum | 215.0 | °C | - |
| Min. Melt Temperature | 210.0 | °C | - |
| Max. Melt Temperature | 220.0 | °C | - |
| Mold Temperature Optimum | 90.0 | °C | - |
| Min. Mould Temperature | 80.0 | °C | - |
| Max. Mould Temperature | 100.0 | °C | - |
| Annealing Time - Optional | 30.0 | min/mm | - |
| Annealing Temperature | 160.0 | °C | - |
| Processing Moisture Content | ≤ 0.2 | % | - |
VDA Properties
| Value | Units | Test Method / Conditions | |
| Emissions | max. 8 | mg/100g/kg/100g | VDA 275 |
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Delrin® FG911DP NC010
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