Midland, Michigan-Dow Chemical Co. will increase its prices by $0.03/lb in the Americas and the Caribbean for propylene glycols, from 1 March 2006, the company announced 6 Feb. Products included in this price increase are: propylene glycol industrial grade (PGI);propylene glycol USP/EP grade (PG USP/EP);dipropylene glycol grade (DPG);dipropylene glycol LO+ grade (DPG LO+);tripropylene glycol regular grade (TPG); andtripropylene glycol acrylate grade (TPG AG). "