Useful catalytic inks have low viscosity, {TAIL ~ e.g. about 20 600 centipoises} , {HEAD ~ preferably 50 500 cp} 
Useful catalytic inks have low viscosity , { TAIL ~ e.g. about 20 600 centipoises } , { HEAD ~ preferably 50 500 cp }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD