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Nylon, one of the most widely used engineering thermoplastics, is an extremely versatile engineering plastic. An excellent combination of mechanical performance (toughness, low coefficient of friction, and good abrasion resistance) and cost make Nylon an ideal replacement for a wide variety of materials from metal to rubber.

Cast Nylon 6 (polycaprolactam) exhibits all the properties that generally make nylon a superior engineering material: high strength, low friction and wear resistance. Because of the casting process, part size and thickness are almost unlimited without degradation of the material’s internal structure. Cast Nylon 6 provides one of the largest array of sizes and custom shapes of any thermoplastic.

By varying the conditions through the addition of various additives, fillers, lubricants, and colorants during polymerization, the mechanical properties of cast nylon may be altered to suit specific applications. Formulations include molybdenum-disulfide filled, moly and oil-filled (blue), and glass-filled grades. Variants within these nylon grades are available to match specific application demands such as FDA compliance, Internally lubricated, heat stabilized, UV stabilized, anti-static, fire retardant, or impact modified.

Glass Filled: Variants of this nylon exhibit increased structural and impact strength and rigidity. The addition of glass fibers to nylon in various amounts (10%, 20%, 30%, and 40%) increases tensile strength, stiffness, compressive strength, and a lower thermal expansion coefficient over conventional unfilled grades. Glass filled nylons offer better strength than general purpose nylon but it is highly abrasive and will abrade or gall mating surfaces.

Brand Names

  • Sustamid® 12
  • Unipa® IM
  • Unipa® LM

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
Polyamide, PA 6

Available In
Sheet, Rod


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Technical Information

Stock Products Properties Applications Advantages Grades

Stock Products

Sheet 1/4″ – 5″ 24″ x 24″, 48″, 96″; CTS Natural, Black
Rod 1/4″ – 5″ DIA Standard foot lengths, CTS Natural, Black

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 1.06
Water Absorption, 24 hrs % D570 0.25
Mechanical PropertiesUnitsASTMResults
Tensile Strength psi D638 8000
Tensile Modulus psi D638 325000
Tensile Elongation @Break % D638 200
Flexural Strength psi D790 14000
Flexural Modulus psi 400000 300000
Compressive Strength psi D695 15500
Hardness, Rockwell R D785 108
IZOD Impact Strength Notched ft-lb/in D256 1.2
Thermal PropertiesUnitsASTMResults
Coefficient of Linear Thermal Expansion in./in./°F D256 5.0 x 10-5
Heat Deflection Temp at 264 psi °F 149
Melting Temperature °F D3418 423
Max Operating Temp °F 200
Flammability Rating UL94 H-B
Electrical PropertiesUnitsASTMResults
Dielectric Constant D150 6
Dissipation Factor @ 60 Hz D150 0.015
Volume Resistivity, 50% RH ohm-cm D257 10^15
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
  • Industrial clamp component


  • 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 Weathering 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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