| Abstract: | In the present paper the correlation between the coefficient of attenuation of electromagnetic microwaves and resistivity in iron powder filled (0‐500 phr) nitrile butadiene rubber based compositions has been investigated and evaluated by the coefficient of correlation. As a whole coefficient of correlation values between the electrical and microwave characteristics investigated are in the region (−0,99 ÷ −0,92), i.e. a reverse functional dependence, too close to the linear, is available, but a lightly expressed tendency to decreasing of correlation coefficients values when filler amount increases, has been observed. As a result above concentration of 300 phr the correlation is predominately stochastic. |
