Levagard® 4090 N is a halogen free reactive flame retardant. It may be used in polymers which can undergo reactions with hydroxyl groups. Chemical composition: N,N-bis-(2-hydroxylethyl) aminomethane phosphonic acid diethyl ester CAS-Reg.- No. 2781-11-5 Applications: Levagard® 4090 N is especially suitable for rigid PUR foams. The product can support a closed-cell foam structure and can be combined with other Levagard or Disflamoll products. Further applications are possible in PF, EP and UP resins. Information provided by Lanxess. |