Delrin® 527UVE RD402 is a red, UV-stabilized, medium viscosity acetal homopolymer with very low VOC emissions, developed for automotive interior applications. Processing methods include injection molding.
Polymer Name: Polyacetal Homopolymer (POM)
Processing Methods: Injection Molding
Additives Included: Mold Release Agent
Flexural Modulus: 3100.0 MPa
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Identification & Functionality
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Delrin® 527UVE RD402 Features & Benefits
Applications & Uses
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Properties
Chemical Resistance
Color
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Resin ID
Mechanical Properties
| Value | Units | Test Method / Conditions | |
| Tensile Modulus | 3200 | MPa | ISO 527 |
| Hardness, Rockwell | 121 | Scale R | ISO 2039-2 |
| Hardness, Rockwell | 92.4 | Scale M | ISO 2039-2 |
| Yield Stress | 73 | MPa | ISO 527-1/-2 |
| Yield Strain | 15 | % | ISO 527-1/-2 |
| Nominal Strain at Break | 30 | % | ISO 527-1/-2 |
| Flexural Modulus | 3100 | MPa | ASTM D790 |
| Flexural Stress at 3.5% | 85 | MPa | ISO 178 |
| Charpy Impact Strength (23°C) | 270 | kJ/m² | ISO 179/1eU |
| Charpy Impact Strength (-30°C) | 250 | kJ/m2 | ISO 179/1eU |
| Charpy Notched Impact Strength (23°C) | 7 | kJ/m2 | ISO 179-1/1eA |
| Poisson's Ratio | 0.37 | - | ASTM D638 |
Physical Properties
| Value | Units | Test Method / Conditions | |
| Melt Volume - Flow Rate | 13 | cm³/10min | ISO 1133 |
| Load | 2.16 | kg | ISO 1133 |
| Molding Shrinkage - Parallel | 2.0 | % | ISO 294-4, 2577 |
| Molding Shrinkage - Normal | 1.9 | % | 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) | 94 | °C | ISO 75-1/-2 |
| Temperature of Deflection Under Load (0.45 MPa) | 160 | °C | ISO 75-1/-2 |
| Vicat Softening Temperature (50°C/h, 10N) | 174 | °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 |
Flammability
| Value | Units | Test Method / Conditions | |
| FMVSS Class | B | - | ISO 3795 (FMVSS 302) |
| Burning Rate (1 mm, Thickness) | max. 80 | 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) | 1.2 | % | Sim. to ISO 62 |
| Density | 1420 | kg/m³ | ISO 1183 |
| Density of Melt | 1160 | kg/m³ | - |
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 | 205 | °C | - |
| Min. Melt Temperature | 200 | °C | - |
| Max. Melt Temperature | 210 | °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 | - |
| Annealing Time - Optional | 30 | min/mm | - |
| Annealing Temperature | 160 | °C | - |
VDA Properties
| Value | Units | Test Method / Conditions | |
| Light Stability - Delta E | 1 | - | DIN 53236 |
| Light Stability Grey Scale | 4 | - | ISO 105-A02 |
| Emissions | max. 2 | 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 | Automatic hypoid-gear oil Shell Donax TX (135°C) | Not Recommended |
| Mineral oils | Hydraulic oil Pentosin CHF 202 (125°C) | Not Recommended |
| Mineral oils | Insulating Oil (23°C) | Probably Resistant |
| Mineral oils | Motor oil OS206 304 Ref.Eng.Oil, ISP (135°C) | Not Recommended |
| 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 | Coolant Glysantin G48, 1:1 in water (125°C) | Not Recommended |
| Other | DOT No. 4 Brake fluid (120°C) | Not Recommended |
| 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 EN 590 (100°C) | Probably Resistant |
| 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 |
Technical Details & Test Data
Tensile Modulus vs Temperature
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Delrin® 527UVE RD402
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