31. Additional experiments involved production of polyurethane foam , exploring its utility in assembling structures in orbit. 32. Investigators believe Great White's pyrotechnics ignited polyurethane foam used for soundproofing, causing the fast-moving fire. 33. In polyurethane foam , furniture manufacturers typically meet TB 117 with additive halogenated organic flame retardants. 34. The insulation used is quite commonly polyurethane foam . 35. Some are made from closed-cell polyurethane foam rubber. 36. :: You could try a visco-elastic polyurethane foam . 37. Metals can be vapor deposited onto the polyurethane foam and then the organic polymer burned off. 38. In 1992, shuttle astronauts lit polyurethane foam , showing that it easily smoldered with little exposed flame. 39. Acquired in 1977, Instapak foam is expanding polyurethane foam that comes in a variety of densities. 40. Homemade padding is usually made by cutting a block of high-density polyurethane foam rubber to shape.
