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Rulon Bearings

Omnia Plastica Akulon® PA 66.6 - Akulon GX - at 50% RH
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6/66; Nylon 66/6, Unreinforced

Material Notes: Copolymer of nylon with excellent mechanical features, it combines the good impact resistances of PA6 as well as the higher stiffness of PA66. For this reason it machines very well on automatic tools and on CNC centres. The U.V. stabilisation makes it light resistant and it is therefore suitable for outdoor applications.

Features:

  • Wear resistance: good even in demanding environments. Toughness: high tensile stress and compressive strength.
  • Self-lubricating: the friction coefficient is low and generally for sliding application it does not require lubricators.
  • U.V. resistance: particularly suitable for outdoor applications it withstands atmospheric agents and low temperatures very well.
  • Machining on automatic tools is easy thanks to the breaking of shavings during machining and to its higher stiffness.
  • Black colour.
Weak Point:

It is hygroscopic (even if at lower extent than PA6) therefore the mechanical features and the dimensions will change consequently

Application:

  • Mechanical: thanks to its higher stiffness compared to PA6 and its higher shock resistance compared to PA66, this material is increasingly being used in the mechanical field to produce gears, cams, pulleys, anti-wear guides, wheels and other components, notably for outdoor use. In the field of construction and earthmoving equipment Akulon GX can be found in guides, bearings and pulleys. it is particularly suitable for machining on automatic lathes.
  • Food contact: generally it is not used in contact with food.
  • Electrical: use in the electrical field is to be avoided as the electrical features change with the moisture content. It is sometimes used when its mechanical features are required.
  • Chemical: it is resistant to alkali, inorganic compounds and solvents.

Information provided by Omnia Plastica s.p.a. for semifinished products such as sheet, rod, and tube.

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.14 g/cc0.0412 lb/in³ISO.1183 DIN.53479
Moisture Absorption at Equilibrium 2.6 %2.6 %50% relative humidity (beginning dry)
Water Absorption at Saturation 8.4 %8.4 %23°C (beginning dry)
 
Mechanical PropertiesMetricEnglishComments
Ball Indentation Hardness 100 MPa14500 psiISO2039.1 DIN.53456
Tensile Strength at Break 58.0 MPa8410 psiISO.527 DIN.53455
Elongation at Break 160 %160 %ISO.527 DIN.53455
Tensile Modulus 1.80 GPa261 ksiISO.527 DIN.53455
Compressive Strength 7.00 MPa1020 psi1% strain over 1000 hours; ISO.899 DIN.53444
Charpy Impact Unnotched NBNB7.5 J; ISO.R179 DIN.53453
Charpy Impact, Notched 2.00 J/cm²9.52 ft-lb/in²ISO179/3C DIN.53453
Coefficient of Friction, Dynamic 0.400.40on dry ground steel; load =0.05MPa; speed =0.6 m/s (dry sample)
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 8.0
@Frequency 1e+6 Hz
8.0
@Frequency 1e+6 Hz
ISO.250 DIN.53483
 
Thermal PropertiesMetricEnglishComments
CTE, linear 85.0 µm/m-°C
@Temperature 23.0 - 60.0 °C
47.2 µin/in-°F
@Temperature 73.4 - 140 °F
dry sample
Thermal Conductivity 0.260 W/m-K1.80 BTU-in/hr-ft²-°FDIN.52612 (dry sample)
Melting Point 240 °C464 °F
Maximum Service Temperature, Air 92.0 °C198 °FContinuous; 5000 hours based on a tensile stress of 50% at 23° C. (dry sample)
 160 °C320 °Fshort period, no load (dry sample)
Deflection Temperature at 1.8 MPa (264 psi) 88.0 °C190 °FISO.75 DIN.53461 (dry sample)
Minimum Service Temperature, Air -30.0 °C-22.0 °Fimpact conditions and heavy loads not considered (dry sample)

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