What are mattress sponges made from

The sponge raw material contains Toluene diisocyanate (tdi 80/20), Methylene chloride (mc), Polyether Polyol (Conventional polyol), Polymer polyol, Korea Polyether polyol & Copolymer polyol, Polymeric MDI , Silicone SURFACTANT(L580), Triethylene Diamine (TEDA-33), Stannous Octoate(T9) , PU Foam Color paste(Pigment)and so on.