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Ensinger SPI

Ensinger Tecast™ 6PA Natural Unfilled Cast Nylon 6 (PA6)
Categories: Polymer; Thermoplastic; Nylon (Polyamide PA); Nylon 6 (PA6); Nylon 6, Cast

Material Notes: Tecast® 6PA Natural is an FDA-compliant grade used in applications requiring cast nylon but without any fillers.

General Tecast® Cast Nylon Information: Tecast cast nylon, available in a variety of grades, offers a combination of good mechanical properties, excellent bearing and wear characteristics, and the large-size capabilities of the casting process. Its fatigue resistance, noise damping ability, corrosion resistance, and light weight make Tecast ideal for metal replacement applications, such as bearings, gears, sheaves, and sprockets. At one-eight the weight of bronze, Tecast is easier to handle and maintain than metals such as iron, aluminum, brass, and bronze, which it typically replaces in industrial wear applications. Other materials that Tecast commonly replaces because of its superior performance are laminated phenolics, elastomers, and wood. Tecast has excellent wear and abrasion resistance, resulting in extended component life and lower maintenance cost. Its formulations are readily available in rod, plate, and tube. Nonstandard shapes, such as rings, discs, and blocks can be economically produced in small quantities with short lead times. Custom parts can be cast-size or near-net-shape with relatively inexpensive tooling.

General Tecast® Application Information: Its unique combination of strength, wear resistance, toughness, machinability, and corrosion resistance make Tecast cast nylon ideal for bearings, thrust washers, bushings, wear pads, sheaves, rollers, gears, sprockets, and wheels. Tecast is commonly used in construction equipment, material handling systems, amusement park rides, pulp and paper processing equipment, steel mills and industrial equipment.

Information Provided by Ensinger Inc.

Key Words: PA6, Polyamide 6
Vendors: Ensinger High Performance Plastics withstand severe environments, resist harsh chemicals, and perform well in extreme temperatures. They offer weight savings that have potential to drive lower cost systems.

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Physical PropertiesMetricEnglishComments
Density 1.15 - 1.16 g/cc0.0416 - 0.0419 lb/in³ASTM D792
Water Absorption 1.2 %1.2 %at 24 hours; ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell R 115115ASTM D785
Tensile Strength, Yield 68.9 MPa10000 psiASTM D638
Elongation at Break 25 %25 %ASTM D638
Tensile Modulus 2.41 GPa350 ksiASTM D638
Flexural Strength 86.2 MPa12500 psiASTM D790
Flexural Modulus 2.41 GPa350 ksiASTM D790
Izod Impact, Notched 0.320 J/cm0.600 ft-lb/inASTM D256
Coefficient of Friction, Dynamic 0.260.2640 psi, 50 fpm; ASTM D3702
K (wear) Factor 403 x 10-8 mm³/N-M200 x 10-10 in³-min/ft-lb-hr40 psi, 50 fpm; ASTM D3702
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+14 ohm-cm1.00e+14 ohm-cmASTM D257
Dielectric Constant  3.7
@Frequency 60 Hz
3.7
@Frequency 60 Hz
ASTM D150
 3.7
@Frequency 60 Hz
3.7
@Frequency 60 Hz
50% RH; ASTM D150
Dielectric Strength 19.7 kV/mm500 kV/inASTM D149
Dissipation Factor 0.0020
@Frequency 60 Hz
0.0020
@Frequency 60 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 72.0 µm/m-°C
@Temperature 20.0 °C
40.0 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Specific Heat Capacity 1.67 J/g-°C0.400 BTU/lb-°F
Thermal Conductivity 0.241 W/m-K1.67 BTU-in/hr-ft²-°F
Melting Point 220 °C428 °FASTM D2133
Maximum Service Temperature, Air 93.3 °C200 °FLong Term; ASTM UL746B
 149 °C300 °FIntermittent
Deflection Temperature at 0.46 MPa (66 psi) 188 °C370 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 93.3 °C200 °FASTM D648
Flammability, UL94 HBHB

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Ensinger Tecamid® 6/6 Nylon (PA66)

PENS42 / 35986

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