DELRIN 511 Series Acetal Homopolymer

POM-H enhanced machining

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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

Main Features

  • good machinability
  • high stiffness
  • high fatigue strength
  • high creep resistance
  • good wear properties
  • very good abrasion resistance

Target industries

automotive industry
food engineering
construction industry
conveyor technology
mechanical engineering
electronics
fixture construction
home appliances
gear manufacturing

Downloads

Datasheet (PDF)
Safety Data Sheet (PDF)

Technical details

  • product-technical-detail-collapse-item-0-lvl-1
    Mechanical properties Value Unit Condition Test Method
    Modulus of elasticity
    (tensile test)    		 450,000 psi ASTM D 638
    Rockwell hardness 95 - @ 73 °F ASTM D 785
    Coefficient of friction 0.20 % Static ASTM D 3702
    Wear rate 55*10-10 in3minftlbshr 40 psi, 50 fpm ASTM D 3702
    Elongation at break (tensile test) 25 % @ 73 °F ASTM D 638
    Compression strength 2,100 psi @ 73 °F, 1% strain ASTM D 695
    Impact strength (Izod) 1.25 ftlbsin @ 73 °F ASTM D 256
    Modulus of elasticity
    (flexural test)    		 520,000 psi @ 73 °F ASTM D 790
    Flexural strength 16,000 psi @ 73 °F ASTM D 790
    Tensile strength at yield 10,000 psi ASTM D 638
    Elongation at yield (tensile test) 18 % @ 73 °F ASTM D 638
    Compression strength 16,500 psi @ 73 °F, 10% strain ASTM D 695
    Coefficient of friction 0.35 - Dynamic ASTM D 3702
  • product-technical-detail-collapse-item-1-lvl-1
    Thermal properties Value Unit Condition Test Method
    Specific heat 0.35 butlbf -
    Melting temperature 352 F DIN EN ISO 11357
    Service temperature 300 F Intermittent -
    Deflection temperature 325 F @ 66 psi ISO-R 75 Method B
    Thermal expansion (CLTE) 6.8*10-5 ininF ASTM D 696
    Deflection temperature 225 F @264 psi ISO-R 75 Method A
    Service temperature 185 F Long Term -
  • product-technical-detail-collapse-item-2-lvl-1
    Electrical properties Value Unit Condition Test Method
    volume resistance 1015 Ω*cm -
  • product-technical-detail-collapse-item-3-lvl-1
    Other properties 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

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