Delrin® FG311DP is a medium-high 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. This product is manufactured according to Good Manufacturing Practice (GMP) principles and generally accepted in food contact applications in Europe and the USA when meeting applicable use conditions.
Polymer Name: Polyacetal Homopolymer (POM)
Processing Methods: Extrusion, Film Extrusion, Sheet, Plaques & Profiles Extrusion, Injection Molding
Additives Included: Lubricant (Unspecified), Mold Release Agent
Flexural Modulus: 3100.0 MPa
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Mechanical Properties
Value | Units | Test Method / Conditions | |
Tensile Modulus | 3300 | MPa | ISO 527 |
Yield Stress | 74 | MPa | ISO 527-1/-2 |
Yield Strain | 15 | % | ISO 527-1/-2 |
Nominal Strain at Break | 35 | % | ISO 527-1/-2 |
Flexural Modulus | 3100 | MPa | ASTM D790 |
Flexural Stress at 3.5% | 86 | MPa | ISO 178 |
Charpy Impact Strength (23°C) | 300 | kJ/m² | ISO 179/1eU |
Charpy Impact Strength (-30°C) | 250 | kJ/m2 | ISO 179/1eU |
Charpy Notched Impact Strength (23°C) | 9 | kJ/m2 | ISO 179/1eA |
Charpy Notched Impact Strength (-30°C) | 8 | kJ/m2 | ISO 179/1eA |
Izod Notched Impact Strength (23°C) | 10 | kJ/m2 | ISO 180/1A |
Izod Notched Impact Strength (-40°C) | 8 | kJ/m2 | ISO 180/1A |
Poisson's Ratio | 0.37 | - | ASTM D638 |
Physical Properties
Value | Units | Test Method / Conditions | |
Melt Volume - Flow Rate | 6 | cm³/10min | ISO 1133 |
Melt Mass Flow Rate - MFR (190°C/2.16 kg) | 7 | g/10 min | ASTM D1238 |
Load | 2.16 | kg | ISO 1133 |
Molding Shrinkage - Parallel | 1.9 | % | ISO 294-4, 2577 |
Molding Shrinkage - Normal | 1.8 | % | ISO 294-4, 2577 |
Temperature | 190 | °C | ISO 1133 |
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) | 103 | °C | ISO 75-1/-2 |
Temperature of Deflection Under Load (0.45 MPa) | 165 | °C | ISO 75-1/-2 |
Vicat Softening Temperature (50°C/h, 50N) | 160 | °C | ISO 306 |
Coefficient of Linear Thermal Expansion - Parallel | 110 | E-6/K | ISO 11359-1/-2 |
Coefficient of Linear Thermal Expansion - Normal | 110 | E-6/K | ISO 11359-1/-2 |
Relative Temperature Index - Electrical (0.75 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Electrical (1.5 mm) | 110 | °C | UL 746B |
Relative Temperature Index - Electrical (3 mm) | 110 | °C | UL 746B |
Relative Temperature Index - Impact (0.75 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Impact (1.5 mm) | 85 | °C | UL 746B |
Relative Temperature Index - Impact (3 mm) | 90 | °C | UL 746B |
Relative Temperature Index - Strength (0.75 mm) | 50 | °C | UL 746B |
Relative Temperature Index - Strength (1.5 mm) | 90 | °C | UL 746B |
Relative Temperature Index - Strength (3 mm) | 95 | °C | UL 746B |
Flammability
Value | Units | Test Method / Conditions | |
Burning Behaviour (1.5 mm, Nominal Thickness) | HB | class | IEC 60695-11-10 |
Burning Behaviour (Thickness h) | HB | class | IEC 60695-11-10 |
Ul Recognition | Yes | - | UL 94 |
Thickness Tested | 1.5 | mm | IEC 60695-11-10 |
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 | kg/m³ | ISO 1183 |
Processing Information (Extrusion)
Value | Units | Test Method / Conditions | |
Melt Temperature Range | 195 - 205 | °C | - |
Processing Moisture Content | ≤0.2 | % | - |
Melt Temperature Optimum | 200 | °C | - |
Drying Time (Dehumidified Dryer) | 2.0 - 4.0 | h | - |
Drying Temperature | 75 - 85 | °C | - |
Processing Information (Injection Molding)
Value | Units | Test Method / Conditions | |
Drying Temperature | 80 | °C | - |
Drying Recommended | Yes | - | - |
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 | 7.5 | s/mm | - |
Annealing Time - Optional | 30 | min/mm | - |
Annealing Temperature | 160 | °C | - |
VDA Properties
Value | Units | Test Method / Conditions | |
Fogging, G - Value (Condensate) | 0.4 | mg | ISO 6452 |
Emissions | max. 8 | mg/100g/kg/100g | VDA 275 |
Chemical Resistance
Chemical Type | Chemical Name | Resistance |
Acids | Acetic Acid (5% by mass) (23°C) | Probably Resistant |
Acids | Chromic Acid solution (40% by mass) (23°C) | Not Recommended |
Acids | Citric Acid solution (10% by mass) (23°C) | Not Recommended |
Acids | Hydrochloric Acid (36% by mass) (23°C) | Not Recommended |
Acids | Lactic Acid (10% by mass) (23°C) | Not Recommended |
Acids | Nitric Acid (40% by mass) (23°C) | Not Recommended |
Acids | Sulfuric Acid (38% by mass) (23°C) | Not Recommended |
Acids | Sulfuric Acid (5% by mass) (23°C) | Not Recommended |
Alcohols | Ethanol (23°C) | Probably Resistant |
Alcohols | Isopropyl alcohol (23°C) | Probably Resistant |
Alcohols | Methanol (23°C) | Probably Resistant |
Bases | Ammonium Hydroxide solution (10% by mass) (23°C) | Not Recommended |
Bases | Sodium Hydroxide solution (1% by mass) (23°C) | Not Recommended |
Bases | Sodium Hydroxide solution (35% by mass) (23°C) | Not Recommended |
Ethers | Diethyl ether (23°C) | Probably Resistant |
Hydrocarbons | iso-Octane (23°C) | Probably Resistant |
Hydrocarbons | n-Hexane (23°C) | Probably Resistant |
Hydrocarbons | Toluene (23°C) | Probably Resistant |
Ketones | Acetone (23°C) | Probably Resistant |
Mineral oils | Insulating Oil (23°C) | Probably Resistant |
Mineral oils | SAE 10W40 multigrade motor oil (130°C) | Not Recommended |
Mineral oils | SAE 10W40 multigrade motor oil (23°C) | Probably Resistant |
Mineral oils | SAE 80/90 hypoid-gear oil (130°C) | Not Recommended |
Other | 1% nonylphenoxy-polyethyleneoxy ethanol in water (23°C) | Probably Resistant |
Other | 50% Oleic acid + 50% Olive Oil (23°C) | Probably Resistant |
Other | DOT No. 4 Brake fluid (130°C) | Not Recommended |
Other | Ethyl Acetate (23°C) | Probably Resistant |
Other | Ethylene Glycol (50% by mass) in water (108°C) | Not Recommended |
Other | Hydrogen peroxide (23°C) | Not Recommended |
Other | Phenol solution (5% by mass) (23°C) | Not Recommended |
Other | Water (23°C) | Probably Resistant |
Other | Water (90°C) | Not Recommended |
Salt solutions | Sodium Carbonate solution (2% by mass) (23°C) | Not Recommended |
Salt solutions | Sodium Carbonate solution (20% by mass) (23°C) | Not Recommended |
Salt solutions | Sodium Chloride solution (10% by mass) (23°C) | Probably Resistant |
Salt solutions | Sodium Hypochlorite solution (10% by mass) (23°C) | Not Recommended |
Salt solutions | Zinc Chloride solution (50% by mass) (23°C) | Not Recommended |
Standard Fuels | Diesel fuel (pref. ISO 1817 Liquid F) (>90°C) | Not Recommended |
Standard Fuels | Diesel fuel (pref. ISO 1817 Liquid F) (23°C) | Probably Resistant |
Standard Fuels | Diesel fuel (pref. ISO 1817 Liquid F) (90°C) | Not Recommended |
Standard Fuels | ISO 1817 Liquid 1 - E5 (60°C) | Probably Resistant |
Standard Fuels | ISO 1817 Liquid 2 - M15E4 (60°C) | Probably Resistant |
Standard Fuels | ISO 1817 Liquid 3 - M3E7 (60°C) | Probably Resistant |
Standard Fuels | ISO 1817 Liquid 4 - M15 (60°C) | Probably Resistant |
Standard Fuels | Standard fuel with alcohol (pref. ISO 1817 Liquid 4) (23°C) | Probably Resistant |
Standard Fuels | Standard fuel without alcohol (pref. ISO 1817 Liquid C) (23°C) | Probably Resistant |
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Delrin® FG311DP NC010
DuPont