Acetal is an easy-to-machine, general purpose engineering plastic that has excellent dimensional stability. It is rigid, strong and has a low coefficient of friction against metals, other Acetals and plastics. Its superior creep resistance makes Acetal a good choice when dimensional stability is needed.
Acetal's other benefits include low water absorption, good electrical properties, resistance to fatigue and organic solvents and outstanding wear characteristics. Several grades of Acetal are FDA-approved for use with foods.
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|Density||1.39e3 - 1.43e3||kg/m^3||86.8 - 89.3||lb/ft^3|
|Yield Strength||2.86e7 - 7.24e7||Pa||7.05 - 10.5||ksi|
|Tensile Strength||6e7 - 8.96e7||Pa||8.7 - 13||ksi|
|Elongation||0.1 - 0.75||% strain||10.0 - 75.0||% strain|
|Hardness (Vickers)||1.43e8 - 2.43e8||Pa||14.6 - 24.8||HV|
|Fracture Toughness||1.71e6 - 4.2e6||Pa/m^0.5||1.55 - 3.82||ksi/in^0.5|
|Young's Modulus||2.5e9 - 5e9||Pa||0.363e6 - 0.725e6||10^6 psi|
|Max Service Temperature||76.9 - 96.9||°C||170 - 206||°F|
|Melting Temperature||160 - 184||°C||320 - 363||°F|
|Insulator or Conductor||Insulator||Insulator|
|Specific Heat Capability||1.36e3 - 1.43e3||J/kg °C||0.326 - 0.342||BTU/lb. °F|
|Thermal Expansion Coefficent||7.57e-5 - 2.02e-4||strain/°C||42.1 - 112||µstrain/°F|
|CO2 Footprint||3.8 - 4.2||kg/kg||3.8 - 4.2||lb/lb|
∗ The information on this page is intended as general guidance only and is only accurate at the time of posting (see date below). Specific material properties vary by manufacturer. Please contact a Dielectric application engineer for help in choosing the optimal material for your application and budget.
Posting Date: August 16, 2012