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  • BSI
    BS EN ISO 846:2019 Plastics. Evaluation of the action of microorganisms
    Edition: 2019
    $442.60
    / user per year

Description of BS EN ISO 846:2019 2019

This document specifies methods for determining the deterioration of plastics due to the action of fungi and bacteria and soil microorganisms. The aim is not to determine the biodegradability of plastics or the deterioration of natural fibre composites.

The type and extent of deterioration can be determined by

  1. visual examination and/or

  2. changes in mass and/or

  3. changes in other physical properties.

The tests are applicable to all plastics that have an even surface and that can thus be easily cleaned. The exceptions are porous materials, such as plastic foams.

This document uses the same test fungi as IEC 60068‑2‑10. The IEC method, which uses so-called “assembled specimens”, calls for inoculation of the specimens with a spore suspension, incubation of the inoculated specimens and assessment of the fungal growth as well as any physical attack on the specimens.

The volume of testing and the test strains used depend on the application envisaged for the plastic.



Standard NumberBS EN ISO 846:2019
TitlePlastics. Evaluation of the action of microorganisms
StatusConfirmed
Publication Date2019-04-17
ReplacesBS EN ISO 846:1997
Identical National Standard OfEN ISO 846, ISO 846
DescriptorsMicrobiological-resistance tests, Reports, Visual inspection (testing), Plastics, Test specimens, Physical properties of materials, Accuracy, Test equipment, Specimen preparation, Mass, Deterioration, Biodegradability, Microbiological analysis, Microorganisms, Bacteria
ICS07.100.99 Other standards related to microbiology, 83.080.01 Plastics in general
CommitteePRI/21
ISBN978 0 580 51667 2
PublisherBSI
Pages38

The following editions for this book are also available...

Format Year Publisher Type Title Annual Price
2020
BSI
Standards
 $620.36 Buy

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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