![](https://coimages.sciencemuseumgroup.org.uk/241/210/large_thumbnail_1993_2996__0001_.jpg)
4 samples of foams used for internal protection for fuel tanks against fire. Two white polyurethane foam
4 samples of foams used for internal protection for fuel tanks against fire. Two white polyurethane foam, one green non-woven welded fabric, one gold reticulated polyurethane foam.