This Recommended Practice (RP), IEST-RP-CC032.1, provides guidance for the selection of flexible packaging materials for use

with products manufactured or processed in cleanrooms and other controlled environments. This RP covers acceptable materials, seals, material properties, compatibility of packaged product environment, and related topics. Test methods for particle release, biological tests, organic and inorganic extractable matter, and nonvolatile residue also are presented. 

 First printing, June 2009

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