It is believed that the nanoparticle sized {TAIL ~ extender pigment particles}, for example illustrated as ZnO, have an affinity for the surface of TiO2 particles that aides in spacing {HEAD ~ the TiO2 particles} 
It is believed that the nanoparticle sized { TAIL ~ extender pigment particles } , for example illustrated as ZnO , have an affinity for the surface of TiO2 particles that aides in spacing { HEAD ~ the TiO2 particles }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD