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Ensinger SPI

Ensinger Tecaform™ Acetal Copolymer - Extruded Products (POM)
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM)

Material Notes: Tecaform™ is a semi-crystalline thermoplastic offering high strength, stiffness and toughness. It is resistant to hot water, hydrocarbons and solvents, and it posses good bearing and wear properties available in natural and black grades, it is commonly used as bushings, rollers, wear strips and other applications requiring its combination of strength, low moisture absorption, chemical resistance and dimensional stability.

  • No centerline porosity
  • Low moisture absorption
  • Excellent machinability
  • Good combination of mechanical properties
  • Chemical resistance to fuels and solvents
  • Good wear and abrasion properties
  • Natural grade is manufactured from resins that are FDA, USDA, NSF and 3A Sanitary compliant
  • Good dimensional stability
  • Good property retention at elevated temperatures
  • Black grades are also manufactured from resin that is FDA compliant

TECAFORM™ is used in a wide variety of industrial applications requiring good strength and toughness, dimensional stability, wear resistance and the ability to operate in a wet environment with little absorption. Material handling, machinery and fluid handling are some of the common industries utilizing TECAFORM™ ’s combination of properties. Typical applications are gears, wear strips, bushings, pump parts, fittings and rollers.

Information Provided by Ensinger Inc.

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 1.40 g/cc0.0507 lb/in³ASTM D792
Water Absorption 0.22 %0.22 %at 24 hours; ASTM D570
Water Absorption at Saturation 0.80 %0.80 %ASTM D570
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 8686ASTM D785
Tensile Strength, Yield 60.7 MPa8800 psiASTM D638
Elongation at Break 25 %25 %ASTM D638
Tensile Modulus 2.62 GPa380 ksiASTM D638
Flexural Strength 75.8 MPa11000 psiASTM D790
Flexural Modulus 2.48 GPa360 ksiASTM D790
Compressive Strength 31.0 MPa4500 psiASTM D695
Izod Impact, Notched 0.534 J/cm1.00 ft-lb/inASTM D256
Coefficient of Friction, Dynamic 0.210.2140 psi, 50 fpm; ASTM D3702
K (wear) Factor 131 x 10-8 mm³/N-M65.0 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
Surface Resistivity per Square 1.00e+9 - 1.00e+14 ohm1.00e+9 - 1.00e+14 ohmASTM D257
Dielectric Constant 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 0.0010
@Frequency 60 Hz
0.0010
@Frequency 60 Hz
ASTM D150
 
Thermal PropertiesMetricEnglishComments
CTE, linear 84.6 µm/m-°C
@Temperature 20.0 °C
47.0 µin/in-°F
@Temperature 68.0 °F
ASTM D696
Melting Point 165 °C329 °FASTM D2133
Maximum Service Temperature, Air 100 °C212 °FLong Term
 141 °C285 °FIntermittent
Deflection Temperature at 0.46 MPa (66 psi) 158 °C316 °FASTM D648
Deflection Temperature at 1.8 MPa (264 psi) 110 °C230 °FASTM D648
Flammability, UL94 HBHB
 
Compliance PropertiesMetricEnglishComments
FDA YesYes
USDA YesYes

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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