
DELRIN 511 Series Acetal Homopolymer
DELRIN® 511P is another Homopolymer acetal from Delrin USA LLC that offers enhanced crystallization characteristics. This higher level of crystallization helps to augment aspects of the physical properties such as fatigue strength, stiffness, and creep resistance. Delrin® is a registered trademark of Delrin USA LLC.
Facts
                            Chemical Designation
POM-H (Polyacetal (Homopolymer))
Color
white
Density
1.42 g/cm3
                        
                    POM-H (Polyacetal (Homopolymer))
Color
white
Density
1.42 g/cm3
Features
- good machinability
- high stiffness
- high fatigue strength
- high creep resistance
- good wear properties
- very good abrasion resistance
Industries
                            automotive industry
food engineering
construction industry
conveyor technology
mechanical engineering
electronics
fixture construction
home appliances
gear manufacturing
                    food engineering
construction industry
conveyor technology
mechanical engineering
electronics
fixture construction
home appliances
gear manufacturing
Show/Hide Mechanical Properties
| Description | value | unit | condition | test method | 
| Modulus of elasticity (tensile test) | 450,000 | psi | ASTM D 638 | |
| Tensile strength at yield | 10,000 | psi | ASTM D 638 | |
| Elongation at yield (tensile test) | 18 | % | @ 73 °F | ASTM D 638 | 
| Elongation at break (tensile test) | 25 | % | @ 73 °F | ASTM D 638 | 
| Flexural strength | 16,000 | psi | @ 73 °F | ASTM D 790 | 
| Modulus of elasticity (flexural test) | 520,000 | psi | @ 73 °F | ASTM D 790 | 
| Compression strength | 2,100 | psi | @ 73 °F, 1% strain | ASTM D 695 | 
| Compression strength | 16,500 | psi | @ 73 °F, 10% strain | ASTM D 695 | 
| Impact strength (Izod) | 1.25 | ft-lbs/in | @ 73 °F | ASTM D 256 | 
| Rockwell hardness | 95 | @ 73 °F M Scale (R Scale) | ASTM D 785 | |
| Coefficient of friction | 0.20 | % | Static 40 psi | ASTM D 3702 | 
| Coefficient of friction | 0.35 | Dynamic 40 psi, 50 fpm | ASTM D 3702 | |
| Wear rate | 55*10-10 | in³-min/ft-lbs-hr | 40 psi, 50 fpm | ASTM D 3702 | 
Show/Hide Thermal Properties
| Description | value | unit | condition | test method | 
| Melting temperature | 352 | °F | DIN EN ISO 11357 | |
| Deflection temperature | 325 | °F | @ 66 psi | ISO-R 75 Method B | 
| Deflection temperature | 225 | °F | @ 264 psi | ISO-R 75 Method A | 
| Service temperature | 300 | °F | Intermittent | |
| Service temperature | 185 | °F | Long Term | |
| Thermal expansion (CLTE) | 6.8*10-5 | in/in/°F | ASTM D 696 | |
| Specific heat | 0.35 | BTU/lb-°F | 
Show/Hide Electrical Properties
| Description | value | unit | condition | test method | 
| Volume resistance | > 1015 | Ω*cm | 
Show/Hide Other Properties
| Description | value | unit | condition | test method | 
| Moisture absorption | 0.20 | % | @ 24 hrs, 73 °F | ASTM D 570 | 
| Moisture absorption | .90 | % | @ saturation, 73 °F | ASTM D 570 | 
Other POM-H Products: