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ČSN EN ISO 19918 (832728)

Ochranné oděvy - Ochrana proti chemikáliím - Měření kumulativní permeace chemických látek s nízkým tlakem par skrz materiály

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Cena: 350 Kč
včetně 10 % DPH
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skladem
tisk na počkání

Zobrazit všechny normy ze třídy 8327 Ochranné oděvy

ICS: 13.340.10 Ochranné oděvy

Označení ČSN EN ISO 19918 (832728)
Katalogové číslo 504561
Cena 350 Kč vč. DPH
Datum schválení 1. 6. 2018
Datum účinnosti 1. 7. 2018
Jazyk angličtina (obsahuje pouze anglický originál)
Počet stran 32 stran formátu A4
EAN kód 8596135045617
Náhled normy zobrazit náhled obsahu normy
Dostupnost skladem (tisk na počkání)

Anotace obsahu normy

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.

Náhled obsahu normy