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Extruded Nylon (Polyamide) Specifications

904 West 6th Street, Shiner, Texas 77984 USA
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail: info@boedeker.com

1-800-444-3485

BPI Home Page | Applications | Materials Guide | Contact Us!

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GENERAL DESCRIPTION
Nylon is one of the most widely used plastics in the world, especially as a bearing and wear material. Nylons are frequently used as replacements for bronze, brass, aluminum, steel and other metals, as well as other plastics, wood, and rubber.

Nylons offer extremely good wear resistance, coupled with high tensile strength and modulus of elasticity. They also have high impact resistance, a high heat distortion temperature, and resist wear, abrasion, and vibration. In addition, nylons can withstand sustained contact with a wide variety of chemicals, alkalies, dilute acids or oxidizing agents.

Another important factor, both economically and mechanically, is the relative light weight of nylon -- approximately 1/8 the weight of bronze, 1/7 the weight of cast iron, and 1/2 the weight of aluminum -- which reduces both the inertial and static loads and eases the handling of large components during maintenance or replacement procedures.

REPRESENTATIVE EXTRUDED NYLON GRADES

Nylon 101 - Extruded Nylon 6/6
Of all the unmodified nylons, this grade is the strongest, most rigid, and has one of the highest melting points. This material is available in natural (off-white) and black colors, and custom coloring is available. The natural grade is FDA, USDA and 3A-Dairy compliant and is primarily used for food contact parts.

Nylatron® GS - Extruded Moly-Filled Nylon 6/6
Finely divided particles of "Moly" (molybdenum disulfide -- MoS2) are dispersed evenly throughout the nylon material during polymerization. The Moly particles act as a dry lubricant to enhance nylon's load bearing and wear capabilities while offering improved strength and rigidity. With a lower coefficient of linear thermal expansion than unfilled nylon, Moly-filled nylon maintains better fit and clearances, and has less tendency to seize as bearings.

30% Glass-Reinforced Extruded Nylon 6/6
For applications requiring higher compressive strength and rigidity, and/or improved frictional characteristics 30% glass reinforced nylon 6/6 is also available.

NOTE: Other Extruded Nylon Grades are available ... contact us for more information!

( see also Cast Nylon Grades Specifications )

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TYPICAL PROPERTIES of EXTRUDED NYLONS

ASTM or UL test Property Nylon 6/6
Unfilled
Nylatron GS
Moly-Filled 6/6
Nylon 6/6
30% Glass
PHYSICAL
D792 Density (lb/in³)
(g/cm³)
0.042
1.15
0.042
1.16
0.049
1.35
D570 Water Absorption, 24 hrs (%)
Saturation (%)
0.3
7.0
0.3
7.0
0.7
5.4
MECHANICAL
D638 Tensile Strength (psi) 11,500 12,500 12,000
D638 Tensile Modulus (psi) 425,000 480,000 400,000
D638 Tensile Elongation at Break (%) 50 25 10
D790 Flexural Strength (psi) 15,000 17,000 18,500
D790 Flexural Modulus (psi) 450,000 460,000 550,000
D695 Compressive Strength (psi) 12,500 16,000 -
D695 Compressive Modulus (psi) 420,000 420,000 -
D785 Hardness, Rockwell R M85 / R115 M85 / R115 M90
D256 IZOD Notched Impact (ft-lb/in) 0.6 0.5 1.0
THERMAL
D696 Coefficient of Linear Thermal Expansion
(x 10-5 in./in./°F)
5.5 4.0 1.2
D648 Heat Deflection Temp (°F / °C) at 264 psi 200 / 93 200 / 93 482 / 250
D3418 Melting Temperature (°F / °C) 500 / 260 500 / 260 491 / 255
- Max Operating Temp (°F / °C) 210 / 99 220 / 104 230 / 110
C177 Thermal Conductivity
(BTU-in/ft²-hr-°F)
(x 10-4 cal/cm-sec-°C)

1.7
5.9

1.7
5.9

1.7
5.9
UL94 Flammability Rating V-2 V-2 -
ELECTRICAL
D149 Dielectric Strength (V/mil) short time, 1/8" thick 400 350 -
D150 Dielectric Constant at 60 Hz 3.6 - 3.5
D150 Dissipation Factor at 60 Hz 0.02 - -
D257 Volume Resistivity (ohm-cm) at 73°F, 50% RH > 1013 > 1013 1015
NOTE: The information contained herein 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.
NYLATRON is a registered trademark of Quadrant Engineering Plastic Products.

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Boedeker Plastics, Inc.
904 West 6th Street, Shiner, Texas 77984 USA
USA TOLLFREE : 1-800-444-3485
Phone: 1-361-594-2941     Fax: 1-361-594-2349     E-Mail: info@boedeker.com

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