The mean particle size of carbon black is preferably 0.01 to 0.1 μm also for {HEAD ~ formation} of {TAIL ~ the favorable electroconductive network} 
of
The mean particle size of carbon black is preferably 0.01 to 0.1 μm also for { HEAD ~ formation } of { TAIL ~ the favorable electroconductive network }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL