ČSN EN ISO 19918 (832728)

Protective clothing - Protection against chemicals - Measurement of cumulative permeation of chemicals with low vapour pressure through materials

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STANDARD published on 1.6.2018


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The information about the standard:

Designation standards: ČSN EN ISO 19918
Classification mark: 832728
Catalog number: 504561
Publication date standards: 1.6.2018
SKU: NS-848655
The number of pages: 32
Approximate weight : 96 g (0.21 lbs)
Country: Czech technical standard
Category: Technical standards ČSN

The category - similar standards:

Protective clothing

Annotation of standard text ČSN EN ISO 19918 (832728):

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

These changes apply to this standard:

ČSN EN ISO 19918:2018/A1 (832728) Change

Ochranné oděvy - Ochrana proti chemikáliím - Měření kumulativní permeace chemických látek s nízkým tlakem par skrz materiály (Norma k přímému použití jako ČSN).

Change published on 1.9.2021

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