Some of the most ideal investments often come about from looking at the suppliers of the most humble parts. One such name that investors might want to consider is a microporous membrane manufacturer named Polypore International, Inc. (PPO). Polypore's membranes serve in a wide range of applications, from separators for lead-acid batteries used in automobiles to filtration elements used in medical applications such as hemodialysis.
What makes Polypore unique lies in the fact that it is the only company in the world focused exclusively on microporous membranes. As such, the company has developed a leading position in this space. The company's microporous membranes are engineered polymeric structures, which often contain millions of pores per square inch. As
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