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Extruded Nylon 6/6 (polyhexamethylene adiptimide) is a moldable and extrudeable general-purpose nylon. Like Cast Nylon 6, it has good mechanical properties and wear resistance. Nylon 6/6 has a much higher melting point, better mechanical properties due to greater hardness, and lower water absorption than cast nylon. Because of its excellent balance of strength, ductility and heat resistance, nylon 6/6 is an outstanding candidate for metal replacement applications. Nylon 6/6 is very easy to process with a very wide process window. This allows it to be used for everything from complex, thin walled components to large thick walled housings. Unmodified nylon 6/6 is stocked in both natural and black; other colors are available on a custom basis. Unmodified nylon 6/6 is FDA, USDA, NSF and 3-A Dairy compliant.

Brand Names

  • Nylon 101
  • Ensilon®
  • Polypenco® 101
  • Sustamid® G66
  • Unipa®
  • Zytel® ST801

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, contact an Emco Industrial Plastics representative by filling out the form below.

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At a Glance

Generic Name

Available In
Sheet, Rod, Tube, Other

FDA Compliant, MIL-P-19904

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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

Sheet 1/32″ – 4″ TH Standard 12″, 24″ x 48″; 24″ x 96″; CTS Natural, Black
Rod 3/16″ – 8″DIA; 1/4″ – 1″ sq.; 3/16″ – 1″ hex Standard foot lengths, CTS Natural, Black
Tube 2″ – 14″ OD Standard foot lengths, CTS Natural
Other Balls 1/8″ – 3″ DIA Natural; Natural Screws 3/16″ – 2″ L in various heads and thread sizes Natural

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.


Physical PropertiesUnitsASTMResults
Density lb/in3 D792 0.042
Water Absorption, 24 hrs % D570 0.3
Mechanical PropertiesUnitsASTMResults
Tensile Strength psi D638 11500
Tensile Modulus psi D638 425000
Tensile Elongation @Break % D638 50
Flexural Strength psi D790 15000
Flexural Modulus psi 400000 450000
Compressive Strength psi D695 12500
Compressive Modulus psi D695 420000
Hardness, Rockwell R D785 115
IZOD Impact Strength Notched ft-lb/in D256 0.6
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion in./in./°F D256 5.5 x 10-5
Heat Deflection Temp at 264 psi °F 200
Melting Temperature °F D3418 500
Max Operating Temp °F 210
Thermal Conductivity BTU-in/ft2-hr-°F C177 1.7
Flammability Rating UL94 V-2
Electrical PropertiesUnitsASTMResults
Dielectric Strength V/mil D149 400, 1/8″ th
Dielectric Constant D150 3.6
Dissipation Factor @ 60 Hz D150 0.02
Volume Resistivity, 50% RH ohm-cm D257 >10^13
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.


  • Machine parts
  • Bearings, bushings, gears
  • Valve Seats and Wear Surfaces
  • Rollers
  • Guides
  • Thin walled technical components


  • Good electrical insulator
  • High chemical resistance
  • Good wear and abrasion resistance
  • Easily fabricated into precision parts using standard metalworking equipment
  • USDA and FDA compliant (natural only)
  • Vibration and peening resistance
  • Good impact resistance


  • Extruded (Type 6), Unfilled
  • Extruded (Type 6), Unfilled, Heat Stabilized
  • Extruded (Type 6), Oil Filled
  • Extruded (Type 6), Moly2 Filled
  • Extruded (Type 6), Glass Filled
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