ASTM-G29 › Standard Practice for Determining Algal Resistance of Polymeric Films
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Scope
1.1 This practice covers the determination of the susceptibility of plastic films to the attachment and proliferation of surface-growing algae.
1.2 The values in SI units are to be regarded as the standard. The inch-pound units given in parentheses are for information only.
1.3 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.
Significance and Use
Bodies of water, such as swimming pools, artificial ponds, and irrigation ditches often are lined with plastic films. Algae tend to grow in such bodies of water under the proper atmospheric conditions, and they can produce slimy and unsightly deposits on the film. The method described herein is useful in evaluating the degree and permanency of protection against surface growth of algae afforded by various additives incorporated in the film.
Keywords
Algae; Plastics (general); Plastic sheet and film; algal resistance-plastic films; ICS Number Code 83.140.10 (Films and sheets)
To find similar documents by ASTM Volume:
14.04 (Laboratory Apparatus; Degradation of Materials; SI; Oxygen Fire Safety)
To find similar documents by classification:
83.140.10 (Films and sheets Including plates)
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Document Number
ASTM-G0029-21
Revision Level
2021 EDITION
Status
Current
Publication Date
Jan. 19, 2022
Document Type
Practice
Page Count
3 pages
Committee Number
G03.04