Form: Tis specification covers a rigid cellular polyurethane or polyisocyanurate (polyether only) foam in the form of board or block Application: primarily for use as insulating core material in metal-faced sandwich constructions for use from -55??o 70??( -65??o 160??.
SAE AMS3725/1B-2016 history
2016SAE AMS3725/1B-2016 Core@ Polyurethane Foam (Polyether) 2.0 Pounds per Cubic Foot (32 kg/m3) Density