PASS is a nonionic silicone polyether surfactant, used as a tank-mix adjuvant for foliar-applied pesticides, also as a formulation additive in pesticide products. Its good wetting & spreading properties improve the wetting, spreading and penetration of pesticides.

Other name: equivalent to silwet 408, pesticide synergist, spreading and penetrating agent, wetting agent, agricultural silicone surfactant, polyther modified trisiloxane