ASTM-E3364 › Standard Test Method for Evaluating the Performance of Antimicrobials in or on Polymeric Porous and Nonporous Materials Against Staining by Streptomyces species (A Pink Stain Organism)
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Scope
1.1 This test method is intended to assess susceptibility of polymer materials, as well as products that may directly contact the treated polymer, to staining by the Actinomycete Streptomyces species.
1.2 This test method is also suitable for evaluating dark-pigmented test samples since the bacterial growth inhibition can be assessed.
1.3 Familiarity with microbiological techniques is required. This test method should not be used by persons without at least basic microbiological training.
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Significance and Use
5.1 Methods such as D3273 Standard Test Method for Resistance to Growth of Mold on the Surface of Interior Coatings in an Environmental Chamber and D3274 Standard Test Method for Evaluating the Degree of Surface Disfigurement of Paint Films by Fungal or Algal Growth or Soil or Dirt Accumulation provide means for assessing mold and algal staining on paints. The Test Method E1428 Evaluating the Performance of Antimicrobials in or on Polymeric Solids Against Staining by Streptomyces species (A Pink Stain Organism) is used for solid polymeric materials, but is not appropriate for all antimicrobial technologies.
5.2 This test method provides a technique for evaluating antimicrobials in or on polymeric materials against staining by Streptomyces species and should assist in the prediction of performance of treated articles under actual field conditions.
Keywords
antimicrobial efficacy; pink stain; plastics; polymeric non-solids;
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Document Number
ASTM-E3364-22
Revision Level
2022 EDITION
Status
Current
Modification Type
New
Publication Date
Nov. 16, 2022
Document Type
Test Method
Page Count
4 pages
Committee Number
E35.15