Polyoxymethylene
Chemical compound
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Polyoxymethylene, also known as acetal, polyacetal, and polyformaldehyde, is an engineering thermoplastic used in precision parts requiring high stiffness, low friction, and excellent dimensional stability. Wikipedia
Density: 1.41 g/cm³
Melting point: 347°F (175°C)
Formula: (CH2O)n
Strength: 10,000 psi
Electrical resistivity: 14×1015 Ω⋅cm
Heat capacity (C): 1500 J/kg·K
Magnetic susceptibility (χ): −9.36×10−6 (SI, at 22 °C)