Dabco® SI3503

Dabco® SI3503 by Evonik acts as a silicone surfactant. It is also acts as a stabilizer for most conventional polyurethane systems. It has non hydrolysable structure for improved premix stability and good compatibility with most common polyol premixes. Used for polyether, polyester and polyether/polyester based rigid PUR and PUR/PIR formulations. Dabco® SI3503 is suitable for packaging foams and continuous as well as discontinuous insulation panels (flexible and metal faced). Recommended use level ranges from 1.0 to 2.5 pphp.