TECAFORM AH natural

POM-C unfilled

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TECAFORM AH natural acetal is an unfilled porosity free POM-C with a unique balance of physical properties not available in most other thermoplastics. This copolymer acetal is an engineering plastic made for wide-ranging universal applications in many different industries. The key performance characteristics of unmodified POM copolymer include high mechanical strength and rigidity, excellent wear, low moisture absorption and excellent dimensional stability. Unfilled POM-C copolymer is manufactured by Ensinger under the tradename TECAFORM AH natural, and offers high crystallinity and a good degree of toughness (even in the lower temperature range), combined with good chemical resistance.

Compliances

Facts

Chemical designation
POM-C (Polyacetal (Copolymer))
Colour
white
Alternative colours available
black blue
Density
1.41 g/cm3

Main Features

  • high strength
  • resistent to cleaning agents
  • stiff
  • high toughness
  • very good electrical insulation
  • good machinability
  • good slide and wear properties
  • difficult to bond

Target industries

mechanical engineering
oil and gas industry
aircraft and aerospace technology
food technology
automotive industry
electronics

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)    		 2800 MPa 1mm/min DIN EN ISO 527-2
    Tensile strength 67 MPa 50mm/min DIN EN ISO 527-2
    Tensile strength at yield 67 MPa 50mm/min DIN EN ISO 527-2
    Elongation at yield (tensile test) 9 % 50mm/min DIN EN ISO 527-2
    Elongation at break (tensile test) 32 % 50mm/min DIN EN ISO 527-2
    Flexural strength 91 MPa 2mm/min, 10 N DIN EN ISO 178
    Modulus of elasticity
    (flexural test)    		 2600 MPa 2mm/min, 10 N DIN EN ISO 178
    Compression modulus 2300 MPa 5mm/min, 10 N EN ISO 604
    Compression strength 20/35/68 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) 8 kJ/m2 max. 7,5J DIN EN ISO 179-1eA
    Shore hardness 82 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 166 C DIN EN ISO 11357
    Thermal conductivity 0.39 W/(k*m) ISO 22007-4:2008
    Specific heat 1.4 J/(g*K) ISO 22007-4:2008
    Service temperature 140 C short term NN
    Service temperature 100 C long term NN
    Thermal expansion (CLTE) 13 10-5*1/K 23-60°C, long. DIN EN ISO 11359-1;2
    Thermal expansion (CLTE) 14 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 Silver electrode, 23°C, 12% r.h. -
    volume resistivity 1013 Ω*cm Silver electrode, 23°C, 12% r.h. -
    Dielectric strength 49 kV/mm 23°C, 50% r.h. ISO 60243-1
    Resistance to tracking (CTI) 600 V Platin electrode, 23°C, 50% r.h., solvent A DIN EN 60112
  • 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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