GB/T 24128-2018: Plastics -- Assessment of the effectiveness of fungistatic compounds in plastics formulations

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Scope

This Standard specifies a test method for determining the antifungal effectiveness of fungistat
used in plastic formulations to protect susceptible ingredients such as plasticizers and stabilizers.
This method can verify whether a certain plastic product can effectively prevent the erosion of
fungi.
The antifungal effect is evaluated by visual inspection.
This Standard applies to films or sheets made of plastics up to 10mm thick. In addition, porous
materials such as foamed plastics can also be tested by using this method when made into the
above forms.
The fungistat must have certain dissolution properties in the matrix.
Different from ISO 846, this Standard does not spray fungi spore suspension on the surface of
the sample, but covers a layer of spore-containing agar. This shall better disperse the spores and
provide the moisture necessary for spore germination on plastic surface that is normally
hydrophobic.

Basic Data

Standard ID	GB/T 24128-2018 (GB/T24128-2018)
Description (Translated English)	Plastics -- Assessment of the effectiveness of fungistatic compounds in plastics formulations
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G31
Classification of International Standard	83.080.01
Word Count Estimation	14,150
Date of Issue	2018-12-28
Date of Implementation	2019-11-01
Older Standard (superseded by this standard)	GB/T 24128-2009
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration