WHEN THE MOLE RATIO BETWEEN MONOETHANOLAMINE AND FORMALDEHYDE IS 1:1,WE COULD GET THE RESULTS OF S-TRIAZINE AS WE WE KNOW,BUT,COULD U TELL ME WHAT'S THE BEST REACTION TIME?THE LONGER REACTION TIME GOES,THE HIGHER THE S-TRIAZINE CONTENT WOULD BE?OR ON THE CONTRARY?THANKS.