Tambrands Ltd., U.K. subsidiary of Tambrands in the U.S., has signed a sales/distribution agreement with Sancella, U.K. subsidiary of Molnlycke. Under the terms of the deal, Tambrands will service Sancella's Bodyform and Pennywise towel and panty liner brands alongside its Tampax line in the U.K., effective early April. It will make Tambrands by far the largest sanitary products supplier in the U.K., with a combined market share in excess of 30%. Abbott Mead Vickers/ BBDO handles Tampax in the U.K. Sancella's ad agency there is Roose & Partners, both London. No word yet on whether the deal will affect advertising assignments.