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  LAST-A-FOAMŪ R-3300
Hydrostatic-Pressure Resistant Foam
 
 

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LAST-A-FOAMŪ R-3300 is a hydrostatic-pressure resistant foam formulation with outstanding (up to 350 psi) resistance to penetration by water and other liquids. It is available in densities of 15, and 18 lbs/cubic foot. It is capable of providing permanent flotation in semi-deep submersible craft, and in other, similar applications.

LAST-A-FOAMŪ R-3300 has been used in support of training operations for the International Space Station, where it provides flotation for assembly components in weightlessness-simulation pools.