# Material Properties: Polyamide (Nylon)

### Data Available:

• Thermal Conductivity
• Specific Heat
• Linear Expansion (Plot unavailable)
 Thermal Conductivity Specific Heat UNITS W/(m-K) J/(kg-K) a -2.6135 -5.2929 b 2.3239 25.301 c -4.7586 -54.874 d 7.1602 71.061 e -4.9155 -52.236 f 1.6324 21.648 g -0.2507 -4.7317 h 0.0131 0.42518 i 0 0 data range 4-300 4-300 equation range 1-300 4-300 curve fit % error relative to data 2 4
 Curve fit equation of the form: log10 y = a+b(log10T) + c(log10T) 2 + d(log10T) 3 + e(log10T) 4 + f(log10T) 5 + g(log10T) 6 + h(log10T) 7 + i(log10T) 8 Solves as: y = 10 a+b(log10T) + c(log10T) 2 + d(log10T) 3 + e(log10T) 4 + f(log10T) 5 + g(log10T) 6 + h(log10T) 7 + i(log10T) 8 Where: Coefficients a - i are summarized in the appropriate table and T is the temperature in K (x-axis), and y is the property to solve for.

See References

 Linear expansion .Units [(L-L293)/L293] x 105 unitless, eg. m/m a -1.389E3 b -1.561E-1 c 2.988E-2 d -7.948E-5 e 1.181E-7 Tlow (K) NA f> NA data range (K) 4-300 equation range (K) 4-300 curve fit % error relative to data 1
 equation of the form: y = a + bT + cT 2 + dT 3 + eT 4 >T > Tlow y = f T < Tlow solves as expected: Where: Coefficients a-e are summarized in the appropriate table and T is the temperature in K (x-axis), and y is the property to solve for.

See References