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  • BSI
    BS EN ISO 19918:2017+A1:2021 Protective clothing. Protection against chemicals. Measurement of cumulative permeation of chemicals with low vapour pressure through materials
    Edition: 2021
    $411.69
    / user per year

Description of BS EN ISO 19918:2017+A1:2021 2021

This document describes laboratory test methods to determine the resistance of materials, closures, and seams used in personal protective equipment (PPE) to permeation by solid or liquid chemicals with low vapour pressure (less than 133,322 Pa at 25 °C) and/or insolubility in water or other liquids commonly used as collection media. These chemicals that are often part of pesticide formulations and other mixtures cannot be measured using other standards for measuring permeation. This test method is suitable for field strength and concentrated pesticide formulations as well as other mixtures in which the active ingredient is a chemical with low vapour pressure and/or low solubility in commonly used liquid and gaseous collection media.

This test method is not intended to be used in place of standards such as ISO 6529, EN 16523‑1 and ASTM F739, which measure permeation of chemicals that are either volatile or soluble in water or other liquids that do not interact with the material being tested. This document is not suitable for measurement of volatile chemicals that may evaporate before the chemical analysis is complete.

The degree of contamination depends on numerous factors, such as type of exposure, application technique, and chemical formulation. As the level of exposure can vary considerably, this method is designed to rate relative performance of PPE materials for different durations.

This method is designed to measure cumulative permeation. Breakthrough time cannot be measured by this method. This test method does not measure resistance to penetration or degradation.

The test method standard may be used for the evaluation of PPE materials that are new or those for which the product standard requires treatment, such as laundering or simulated abrasion. Details of the treatment shall be reported.



Standard NumberBS EN ISO 19918:2017+A1:2021
TitleProtective clothing. Protection against chemicals. Measurement of cumulative permeation of chemicals with low vapour pressure through materials
StatusDefinitive
Publication Date2021-07-07
Identical National Standard OfISO 19918:2017/Amd.1:2021, EN ISO 19918:2017/A1:2021
AmendsBS EN ISO 19918:2017
DescriptorsVapours, Measurement, Protective clothing, Performance, Vapour pressure, Chemical hazards
ICS13.340.10 Protective clothing
CommitteePH/3/3
ISBN978 0 539 14325 6
PublisherBSI
Pages26

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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