| About |
|---|
| DELRIN® is a crystalline plastic which offers an excellent balance of properties that bridge the gap between metals and plastics. DELRIN® possesses high tensile strength, creep resistance and toughness. It also exhibits low moisture absorption. It is chemically resistant to hydrocarbons, solvents and neutral chemicals. These properties along with its fatigue endurance make DELRIN® ideal for many industrial applications. Ensinger manufactures homopolymer acetal stock shapes using DuPont’s Delrin® 150 series acetal resin. It is a crystalline plastic which offers an excellent balance of properties to bridge the gap between metals and plastics. It possesses high tensile and flexural properties, along with creep resistance and toughness, while exhibiting low moisture absorption, and fatigue endurance. Good dimensional stability Low moisture absorption Excellent machinability High fatigue endurance High strength and stiffness properties Superior impact and creep resistance Chemical resistance to fuels and solvents Natural grade is made from resin that is FDA, NSF and USDA compliant Good wear and abrasion properties&& |
| Product Description | |
|---|---|
| Supplier | Ensinger |
| Generic | Paraformaldehyde |
| Material Status | Commercial: Active |
| Features | Good Rigidity,Good flexibility,High impact resistance,Good Dimensional Stability,Crystal,Machinable,Fatigue resistance,Good Tensile Strength,Good wear resistance,Solvent resistance,Low moisture absorption,Hydrocarbons,Homopolymer,Fuel resistance |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.41 | g/cm³ | ASTM D792 |
| Water absorption rate | |||
| 23℃，24hr | 0.25 | % | |
| saturated | 0.90 | % | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| 23℃ | 80 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 0.45 MPa, unannealed | 169 | ℃ | |
| 1.8 MPa, unannealed | 125 | ℃ | |
| Melting temperature | 175 | ℃ | |
| Linear coefficient of thermal expansion | |||
| MD | 1.2E-4 | 1/℃ | ASTM D696 |
| specific heat | 1460 | J/kg/℃ | ASTM C351 |
| Operating temperature | |||
| Intermittent | 149 | ℃ | |
| long-term | 85 | ℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Volume resistivity | > 1.0E+3 | ohms·cm | ASTM D257 |
| Dielectric strength | 20 | kV/mm | ASTM D149 |
| Dielectric constant | |||
| 23 ℃，60 Hz | 3.70 | ASTM D150 | |
| Dissipation factor | |||
| 60 Hz | 5.0E-3 | ASTM D150 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | HB | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Rockwell hardness | |||
| M-level | 94 | ASTM D785 | |
| Tensile modulus | |||
| 23℃ | 3100 | MPa | ASTM D638 |
| tensile strength | |||
| Yield, 23 ℃ | 75.8 | MPa | ASTM D638 |
| Tensile strain | |||
| Fracture, 23 ℃ | 25 | % | ASTM D638 |
| Bending modulus | |||
| 23℃ | 2900 | MPa | ASTM D790 |
| bending strength | |||
| 23℃ | 79.3 | MPa | ASTM D790 |
| friction coefficient | |||
| dynamic | 0.20 | ASTM D1894 | |
| Wear factor | 110 | 10^-8 mm³/N·m | ASTM D3702 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. 40 PSI, 50 FPM |
| 3. 50% RH |
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