Influence of Organoclay on the Flame Retardancy and Thermal Insulation Property of Expandable Graphite/Polyurethane Foam

Figure 5

The compressive strength of the PU foams: (a) pure RPUF; (b) EG15–RPUF; (c) EG20–RPUF; (d) EG15-20A2.5–RPUF; (e) EG15-20A5-RPUF.