By David Reed, UT EditorLondon-GE's Urethane Additives business has sent letters to its global customer base announcing a 5-percent across-the-board price increase effective 1 Oct 2004 (or as contracts permit).The increase applies to all of GE's urethane additives-silicone surfactants, amine catalysts and a wide range of other process additives-and is intended to help offset "significant direct material inflation," according to a statement from the firm."