Hereâs what you can expect: 1  First, a speculum is placed in the vagina, just like for a Pap. The cervix is cleaned off with a soap solution.Then a soft flexible tube, thinner than the inside of a pen, is passed into the uterus. 2  The speculum is removed and the ultrasound probe inserted.
You will likely have similar results. Closed cell polyurethane foam will only absorb water if the individual cells are damaged, which CAN happen over time, but the causes of wet foam in boats isn't all that clear. It is likely that freeze cycles will gradually cause foam deterioration.
The advantages of the Closed-cell foam compared to open-cell foam include its strength, its higher R-value, and its resistance to the leakage of air or water vapor.Indeed it is often used solely for air sealing -- providing an air-tight seal.s the most effective type of insulation, closed-cell Sprayed Polyurethane FOAM (SPF) is a solid, rigid, waterproof, and seamless plastic after it cures (in only a few seconds). It is impervious to liquid or gas penetration.