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TECAFORM AD natural

POM-H natural

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POM-H is a homopolymer acetal that is manufactured by Ensinger (using white DuPont™ Delrin® resin) under the tradename TECAFORM AD natural. This homopolymer acetal has exceptional sliding characteristics and good wear resistance properties. In comparison to POM-C, POM-H has a slightly higher density, hardness and strength due to its higher crystallinity. In addition, POM-H has good electrical insulating properties, as well as exceptional machining characteristics, making Ensinger's TECAFORM AD natural acetal one of the most versatile engineering materials available today.

Compliances

Facts

Chemical designation
POM-H (Polyacetal (Homopolymer))
Colour
white
Alternative colours available
black
Density
1.43 g/cm3

Main Features

  • high strength
  • good slide and wear properties
  • electrically insulating
  • difficult to bond
  • good chemical resistance
  • good machinability
  • easy to polish
  • not hot water resistant over 60°C

Target industries

mechanical engineering
food technology
electronics
aircraft and aerospace technology
automotive industry

Downloads

Datasheet (PDF)
Product handling (PDF)

Technical details

  • product-technical-detail-collapse-item-0-lvl-1
    Mechanical properties Value Unit Parameter Norm
    Modulus of elasticity
    (tensile test)    		 3400 MPa 1mm/min DIN EN ISO 527-2
    Tensile strength 79 MPa 50mm/min DIN EN ISO 527-2
    Tensile strength at yield 79 MPa 50mm/min DIN EN ISO 527-2
    Elongation at yield (tensile test) 37 % 50mm/min DIN EN ISO 527-2
    Elongation at break (tensile test) 45 % 50mm/min DIN EN ISO 527-2
    Flexural strength 106 MPa 2mm/min, 10 N DIN EN ISO 178
    Modulus of elasticity
    (flexural test)    		 3600 MPa 2mm/min, 10 N DIN EN ISO 178
    Compression modulus 2700 MPa 5mm/min, 10 N EN ISO 604
    Compression strength 19/33/69 MPa 1% / 2% / 5% EN ISO 604
    Impact strength (Charpy) n.b. kJ/m2 max. 7,5J DIN EN ISO 179-1eU
    Notched impact strength (Charpy) 15 kJ/m2 max. 7,5J DIN EN ISO 179-1eA
    Shore hardness 85 D DIN EN ISO 868
  • product-technical-detail-collapse-item-1-lvl-1
    Thermal properties Value Unit Parameter Norm
    Glass transition temperature -60 C DIN EN ISO 11357
    Melting temperature 182 C DIN EN ISO 11357
    Thermal conductivity 0.43 W/(k*m) ISO 22007-4:2008
    Specific heat 1.3 J/(g*K) ISO 22007-4:2008
    Service temperature 150 C short term NN
    Service temperature 110 C long term NN
    Thermal expansion (CLTE) 12 10-5*1/K 23-60°C, long. DIN EN ISO 11359-1;2
    Thermal expansion (CLTE) 13 10-5*1/K 23-100°C, long. DIN EN ISO 11359-1;2
  • product-technical-detail-collapse-item-2-lvl-1
    Electrical properties Value Unit Parameter Norm
    surface resistivity 1014 Ω -
  • product-technical-detail-collapse-item-3-lvl-1
    Other properties Value Unit Parameter Norm
    Resistance to hot water/ bases - -
    Flammability (UL94) HB corresponding to DIN IEC 60695-11-10;
    Resistance to weathering - -
    Water absorption 0.05 / 0.1 % 24h / 96h (23°C) DIN EN ISO 62

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