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Polyamide 6.6 PA66

PROPERTIES OF POLYAMIDE 6.6

CHARACTERISTICVALUE
Specific weight1.13 - 1.15
Water absorbtionmax. 8.5%
Moisture regain7%
Elongation50%
Melting point255 - 265°C
Flammability UL943
Electrical resistivity5 E^13 ohm/cm
Elastic modulus250 daN/mm^2
Permeability to gasesO2 = 0.04
CO2 = 0.16 - 0.20
N2 = 0.01

 

PA66 is decomposed by concentrated mineral acids as well as halogens. Solvents of PA66 are phenols and penol/chlorinated hydrocarbon mictures. Furthermore, PA66 is relatively unaffected by hydrocarbons, esthers, ehters, oils and concentrated alkalis.

 

PA66 as a textile material is:

  • exceptionally strong
  • elastic
  • abrasion resistant
  • lustrous
  • easy to wash
  • resistant to damage from oil and many chemicals
  • can be pre-coloured or dyed in wide range of colours
  • resilient
  • low in moisture absorbency
  • filament yarns provide smooth, soft, longlasting fabrics
  • spun yarns lend fabrics light weight and warmth

 

 
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