Siloxylated polyether EO/PO co-polymer, surfactant useful for polyurethane foams, antifoam formulations and coatings. Modifies performance in antifoam formulations improving antifoam emulsion stability, persistency and Foam Knockdown in pulp brownstock washing antifoams. It also can be used for Pulp antifoam formulation. Also used as an easy ironing additive, designed to provide selected benefits in household, industrial and institutional cleaning formulations for laundry, reducing wrinkles in fabrics and making our lives much simpler. It is easy to use and it will save time, effort and energy by reducing the need to iron clothes.