Here - PFI Group
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32<br />
Newsletter<br />
Changes to ASTM E2149 Challenge Test Method<br />
Test Method for Antibacterial<br />
Activity Updated<br />
The American standard test method for determination<br />
of antibacterial activity – ASTM-E2149 – was updated<br />
at the end of 2010. The procedure is a so-called<br />
challenge test method which is used in the footwear<br />
industry, especially for composite materials and complex<br />
shoe components.<br />
State-of-the-art materials with an antibacterial finish<br />
are frequently used in the clothing sector, including<br />
shoes and shoe components, to minimise the side effects<br />
and consequences of bacterial attack.<br />
Shake flask test under dynamic contact conditions Sampling<br />
MICRoBIoLoGY<br />
Beyond the shores of the USA, the ASTM E2149 standard<br />
test method is widely used internationally for determination<br />
of the antibacterial activity of correspondingly<br />
finished materials and composite systems, such as<br />
insoles, in which the active antimicrobial substance is<br />
immobilised and not subject to diffusion or leaching.<br />
This test is used particularly frequently by surface finishers<br />
and developers of antibacterial products and by<br />
vendors who place goods advertised as having antimicrobial<br />
properties on the market and wish to perform<br />
random checks for purposes of quality assurance.
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