ASTM-E1428 › Standard Test Method for Evaluating the Performance of Antimicrobials in or on Polymeric Solids Against Staining by Streptomyce species (A Pink Stain Organism)
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1.1 This test method is intended to assess susceptibility of flat two dimensional vinyl films and other solid polymer products as well as products that may directly contact vinyl to pink-staining by the actinomycete bacteria Streptomyces species. This test method may not be suitable for highly textured or porous substrates.
1.2 This test method is not suitable for evaluating dark-pigmented test samples.
1.3 A knowledge of microbiological techniques is recommended for these procedures.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
antimicrobial efficacy; pink stain; plastics; polymeric solids;
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June 1, 2015