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Engineering 185°F - 300°F | Acetal

TECAFORM® AH ID (Metal Detectable Acetal)

Until now, when a food processor or other manufacturer needed a means of detecting the presence of foreign substances in the product, they had no choice but to use highly visible colored materials for their plastic parts. TECAFORM AH ID is the first commercially available thermoplastic that can be detected by the standard metal detection equipment that is typically used in quality inspection. This advancement in technology will reduce the risk of product contamination, and help minimize the possibility of significant financial loss.

  • Detectable by standard metal detection equipment
  • Excellent machinability
  • Good combination of mechanical properties
  • Resistance to washdown chemicals
    TECAFORM™ is resistant to aqueous solutions with pH values ranging from 4 to 14.
  • Good wear and abrasion properties
  • Low moisture absorption
  • Good dimensional stability
  • Good property retention at elevated temperatures
  • Grey in color

TECAFORM™ AH ID can be used in a variety of food industry applications requiring good strength and toughness, dimensional stability, wear resistance and the ability to operate in a wet environment with little moisture absorption. Fillers, conveyors and forming equipment are among the pieces of food machinery that utilize TECAFORM's combination of properties. Typical applications are gears, wear strips, bushings, pump parts, form dies and rollers.

  Properties Condition Units Value
Physical Chemical Designation POM
Filler Metal Detectable
Density g/cm3 1.48
Mechanical Tensile Modulus @ 73 °F PSI 450,000
Tensile Strength @ Yld @ 73 °F PSI 9,500
Tensile Strength @ Brk @ 73 °F PSI
Shear Strength @ 73 °F PSI
Elongation @ Yld @ 73 °F %
Elongation @ Brk @ 73 °F % 10
Flexural Modulus @ 73 °F PSI 450,000
Flexural Strength @ 73 °F PSI 15,000
Compressive Modulus @ 73 °F PSI 300,000
Compressive Strength @ 73 °F, 10% strain PSI 14,000
Izod (charpy) Impact Strength @ 73 °F ft-lbs/in 0.77
Rockwell Hardness @ 73 °F M (R) Scale 91
Coefficient of Friction Static
Coefficient of Friction Dynamic, 40 PSI, 50 FPM
Wear (K) Factor in3-min/ft-lbs-hr
Limiting PV psi-fpm
Thermal Vicat Softening Point °F
Melting Temperature °F 329
Heat Deflection Temperature @ 66 °F
Heat Deflection Temperature @ 264 °F
Service Temperature Intermittent °F 285
Service Temperature Long Term °F 212
Thermal Expansion (CLTE) in/in/°F 7.7*10-5
Specific Heat BTU/lb-°F
Thermal Conductivity BTU-in/hr-ft2-°F
Electrical Surface Resistivity ohms/square
Volume Resistivity ohm-cm
Dielectric Strength V/mil
Dielectric Contant @ 60 HZ, 73 °F, 50% RH
Dissipation Factor @ 60 Hz, 73 °F
Other Moisture Absorption @ 24 hrs, 73 °F % 0.22
Moisture absorption @ Saturation, 73 °F % 0.65
Flammability UL 94 HB
Food Grade Y
Relative Cost $$ $