Mat1 = N27 Epcos
Mat2 = N87 Epcos
Mat3 = N97 Epcos
Mat4 = PC40 TDK
Mat5 = 3C90 Ferroxcube
Mat6 = 3C94 Ferroxcube
Mat7 = 3C95 Ferroxcube
Mat8 = 3C96 Ferroxcube
Mat9 = 3C97 Ferroxcube
Mat10= 3F3 Ferroxcube
Mat11= CF139 CosmoFerrites
Mat12= K2001 Kaschke
Mat13= K2004 Kaschke
Mat14= K2006 Kaschke
Mat15= 2000NM Russia
