SIST EN ISO 17491-4:2008
Protective clothing - Test methods for clothing providing protection against chemicals - Part 4: Determination of resistance to penetration by a spray of liquid (spray test) (ISO 17491-4:2008)
Protective clothing - Test methods for clothing providing protection against chemicals - Part 4: Determination of resistance to penetration by a spray of liquid (spray test) (ISO 17491-4:2008)
ISO 17491-4:2008 specifies methods for determining the resistance of chemical protective clothing to penetration by sprays of liquid chemicals at two different levels of intensity:
Method A: low-level spray test. This is applicable to clothing that covers the full body surface and which is intended to be worn when there is a potential risk of exposure to small quantities of spray or accidental low volume splashes of a liquid chemical.
Method B: high level spray test This is applicable to clothing with spray-tight connections between different parts of the clothing and, if applicable, between the clothing and other items of personal protective equipment, which covers the full body surface and which is intended to be worn when there is a risk of exposure to sprayed particles of liquid.
Schutzkleidung - Prüfverfahren für Chemikalienschutzkleidung - Teil 4: Bestimmung der Beständigkeit gengen das Durchdringen von Flüssigkeitsspray (Spray-Test) (ISO 17491-4:2008)
Dieser Teil der ISO ISO 17491 legt Verfahren zur Bestimmung der Beständigkeit von Chemikalienschutzkleidung gegen das Durchdringen von Sprays aus flüssigen Chemikalien in zwei verschiedenen Intensitätsstufen fest:
a) Verfahren A — Spray-Test mit geringer Intensität: der Spray-Test mit geringer Intensität gilt für Kleidung, die die gesamte Körperoberfläche bedeckt und für das Tragen unter Bedingungen vorgesehen ist, bei denen das Risiko besteht, geringen Mengen eines Sprays oder zufälligen Spritzern mit geringem Volumen einer flüssigen Chemikalie ausgesetzt zu sein.
b) Verfahren B — Spray-Test mit hoher Intensität: der Spray-Test mit hoher Intensität gilt für Kleidung mit spraydichten Verbindungen zwischen verschiedenen Teilen der Kleidung und, sofern zutreffend, zwischen der Kleidung und anderen Gegenständen persönlicher Schutzausrüstung, die die gesamte Körperfläche bedeckt und für das Tragen unter Bedingungen vorgesehen ist, bei denen das Risiko besteht, flüssigen Spray-Partikeln ausgesetzt zu sein.
Dieser Teil der ISO ISO 17491 gilt nicht für die Beständigkeit gegen Permeation von Chemikalien durch Materialien, aus denen die Chemikalienschutzkleidung hergestellt ist.
Vetements de protection - Méthodes d'essai pour les vetements fournissant une protection contre les produits chimiques - Partie 4: Détermination de la résistance a la pénétration par une vaporisation de liquide (essai a la vaporisation) (ISO 17491-4:2008)
L'ISO 17491-4:2008 spécifie les méthodes pour la détermination de la résistance des vêtements de protection à la pénétration par brouillard de produits chimiques liquides à deux niveaux différents d'intensité:
Méthode A: essai au brouillard de faible intensité. L'essai au brouillard de faible niveau s'applique aux vêtements qui couvrent l'intégralité du corps, prévus pour être portés dans des conditions qui présentent un risque d'exposition à de faibles quantités d'un produit chimique liquide projetées sous forme d'un brouillard ou à des projections accidentelles de faibles volumes d'un produit chimique liquide.
Méthode B: essai au brouillard d'intensité élevée. L'essai au brouillard de niveau élevé s'applique aux vêtements munis de coutures étanches au brouillard entre les différentes parties du vêtement et, le cas échéant, entre le vêtement et les autres équipements de protection individuelle, qui couvrent l'intégralité du corps et prévus pour être portés dans des conditions qui présentent un risque d'exposition à des particules de liquide pulvérisées.
Varovalna obleka - Preskusne metode za obleke, ki varujejo pred kemikalijami - 4. del: Ugotavljanje odpornosti materialov proti penetraciji z razprševanjem (spray test) (ISO 17491-4:2008)
Ta evropski standard določa metodo ugotavljanja odpornosti varovalnih oblek, ki varujejo pred kemikalijami, proti penetraciji tekočih kemikalij z razprševanjem. Ta evropski standard se uporablja za obleke, ki so lahko sestavljene iz enega kosa ali iz več delov in so namenjene nošenju v primeru obstoja tveganja izpostavljenosti manjšim brizgom tekoče kemikalije ali razpršenih delcev, ki se združijo ter odtečejo s površine oblačila. Ta evropski standard se uporablja za obleke, ki naj bi bile odporne proti penetraciji v pogojih, ki običajno zahtevajo pokritje celotne površine telesa, vendar ne zahtevajo nošenja oblačil, ki ne prepuščajo plinov. Ta evropski standard se ne uporablja za prepustnost tekočih kemikalij skozi materiale, iz katerih je izdelana obleka.
General Information
- Status
- Withdrawn
- Publication Date
- 06-Nov-2008
- Withdrawal Date
- 07-Oct-2024
- Technical Committee
- OVP - Personal protecting equipment
- Current Stage
- 9900 - Withdrawal (Adopted Project)
- Start Date
- 30-Sep-2024
- Due Date
- 23-Oct-2024
- Completion Date
- 08-Oct-2024
Relations
- Effective Date
- 01-Dec-2008
- Effective Date
- 01-Nov-2024
- Effective Date
- 01-Jun-2016
Frequently Asked Questions
SIST EN ISO 17491-4:2008 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Protective clothing - Test methods for clothing providing protection against chemicals - Part 4: Determination of resistance to penetration by a spray of liquid (spray test) (ISO 17491-4:2008)". This standard covers: ISO 17491-4:2008 specifies methods for determining the resistance of chemical protective clothing to penetration by sprays of liquid chemicals at two different levels of intensity: Method A: low-level spray test. This is applicable to clothing that covers the full body surface and which is intended to be worn when there is a potential risk of exposure to small quantities of spray or accidental low volume splashes of a liquid chemical. Method B: high level spray test This is applicable to clothing with spray-tight connections between different parts of the clothing and, if applicable, between the clothing and other items of personal protective equipment, which covers the full body surface and which is intended to be worn when there is a risk of exposure to sprayed particles of liquid.
ISO 17491-4:2008 specifies methods for determining the resistance of chemical protective clothing to penetration by sprays of liquid chemicals at two different levels of intensity: Method A: low-level spray test. This is applicable to clothing that covers the full body surface and which is intended to be worn when there is a potential risk of exposure to small quantities of spray or accidental low volume splashes of a liquid chemical. Method B: high level spray test This is applicable to clothing with spray-tight connections between different parts of the clothing and, if applicable, between the clothing and other items of personal protective equipment, which covers the full body surface and which is intended to be worn when there is a risk of exposure to sprayed particles of liquid.
SIST EN ISO 17491-4:2008 is classified under the following ICS (International Classification for Standards) categories: 13.340.10 - Protective clothing. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN ISO 17491-4:2008 has the following relationships with other standards: It is inter standard links to SIST EN 468:1996, SIST EN ISO 17491-4:2024, SIST EN ISO 17491-4:2008/A1:2016. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN ISO 17491-4:2008 is associated with the following European legislation: EU Directives/Regulations: 2016/425, 89/686/EEC; Standardization Mandates: M/BC/CEN/90/2. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase SIST EN ISO 17491-4:2008 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of SIST standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2008
1DGRPHãþD
SIST EN 468:1996
Varovalna obleka - Preskusne metode za obleke, ki varujejo pred kemikalijami - 4.
del: Ugotavljanje odpornosti materialov proti penetraciji z razprševanjem (spray
test) (ISO 17491-4:2008)
Protective clothing - Test methods for clothing providing protection against chemicals -
Part 4: Determination of resistance to penetration by a spray of liquid (spray test) (ISO
17491-4:2008)
Schutzkleidung - Prüfverfahren für Chemikalienschutzkleidung - Teil 4: Bestimmung der
Beständigkeit gengen das Durchdringen von Flüssigkeitsspray (Spray-Test) (ISO 17491-
4:2008)
Vetements de protection - Méthodes d'essai pour les vetements fournissant une
protection contre les produits chimiques - Partie 4: Détermination de la résistance a la
pénétration par une vaporisation de liquide (essai a la vaporisation) (ISO 17491-4:2008)
Ta slovenski standard je istoveten z: EN ISO 17491-4:2008
ICS:
13.340.10 Varovalna obleka Protective clothing
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN ISO 17491-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2008
ICS 13.340.10 Supersedes EN 468:1994
English Version
Protective clothing - Test methods for clothing providing
protection against chemicals - Part 4: Determination of
resistance to penetration by a spray of liquid (spray test) (ISO
17491-4:2008)
Vêtements de protection - Méthodes d'essai pour les Schutzkleidung - Prüfverfahren für
vêtements fournissant une protection contre les produits Chemikalienschutzkleidung - Teil 4: Bestimmung der
chimiques - Partie 4: Détermination de la résistance à la Beständigkeit gengen das Durchdringen von
pénétration par vaporisation de liquide (essai au brouillard) Flüssigkeitsspray (Spray-Test) (ISO 17491-4:2008)
(ISO 17491-4:2008)
This European Standard was approved by CEN on 14 August 2008.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the
official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels
© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 17491-4:2008: E
worldwide for CEN national Members.
Contents Page
Foreword.3
Annex ZA (informative) Relationship between this part of ISO 17491 and the Essential
Requirements of EU Directive 89/686/EEC Personal Protective Equipment .4
Foreword
This document (EN ISO 17491-4:2008) has been prepared by Technical Committee CEN/TC 162 "Protective
clothing including hand and arm protection and lifejackets", the secretariat of which is held by DIN, in
collaboration with Technical Committee ISO/TC 94 "Personal safety - Protective clothing and equipment".
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by February 2009, and conflicting national standards shall be withdrawn
at the latest by February 2009.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 468:1994.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EC Directive(s).
For relationship with EC Directive(s), see informative Annex ZA, which is an integral part of this document.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Annex ZA
(informative)
Relationship between this part of ISO 17491 and the Essential
Requirements of EU Directive 89/686/EEC Personal Protective Equipment
This part of ISO 17491 has been prepared under a mandate given to CEN by the European Commission and
the European Free Trade Association to provide one means of conforming to Essential Requirements of the
New Approach Directive 89/686/EEC.
Once this part of ISO 17491 is cited in the Official Journal of the European Communities under that Directive
and has been implemented as a national standard in at least one Member State, compliance with the
normative clauses of this standard, together with the relevant requirements given in the product standards,
confers, within the limits of the scope of both standards, a presumption of conformity with the Essential
Requirements of Directive 89/686/EEC Personal Protective Equipment, Annex II, Clause 3.10.2.
WARNING — Other requirements and other EU Directives may be applicable to the product(s) falling within
the scope of this standard.
INTERNATIONAL ISO
STANDARD 17491-4
First edition
2008-08-15
Protective clothing — Test methods for
clothing providing protection against
chemicals —
Part 4:
Determination of resistance to
penetration by a spray of liquid (spray
test)
Vêtements de protection — Méthodes d'essai pour les vêtements
fournissant une protection contre les produits chimiques —
Partie 4: Détermination de la résistance à la pénétration par
vaporisation de liquide (essai au brouillard)
Reference number
ISO 17491-4:2008(E)
©
ISO 2008
ISO 17491-4:2008(E)
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ii © ISO 2008 – All rights reserved
ISO 17491-4:2008(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the
International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 17491-4 was prepared by the European Committee for Standardization (CEN) Technical Committee
CEN/TC 162, Protective clothing including hand and arm protection and lifejackets, in collaboration with
Technical Committee ISO/TC 94, Personal safety — Protective clothing and equipment, Subcommittee SC 13,
Protective clothing, in accordance with the Agreement on technical cooperation between ISO and CEN
(Vienna Agreement).
This first edition of ISO 17491-4, together with ISO 17491-3, cancels and replaces ISO 17491:2002,
Clauses 6 and 7 of which have been technically revised.
ISO 17491 consists of the following parts, under the general title Protective clothing — Test methods for
clothing providing protection against chemicals:
⎯ Part 3: Determination of resistance to penetration by a jet of liquid (jet test)
⎯ Part 4: Determination of resistance to penetration by a spray of liquid (spray test)
The following parts are under development:
⎯ Part 1: Determination of resistance to outward leakage of gases (internal pressure test)
⎯ Part 2: Determination of resistance to inward leakage of aerosols and gases (inward leakage test)
ISO 17491-4:2008(E)
Introduction
This part of ISO 17491 describes a test method for determining the spray penetration resistance of chemical
protective clothing Type 4 (with spray-tight connections between different parts of the clothing and, if
applicable, between the clothing and other items of personal protective equipment) and Type 6 (limited
performance protective clothing).
Such clothing comprises one or more items covering the full surface of the body and is intended to be worn
under conditions where there is a risk of exposure to a spray of a liquid chemical. Other requirements with
regard to this type of clothing and its constituent materials can be found in the respective product standards
(see Bibliography [4]).
Interlaboratory testing has shown that this test method is a repeatable pass/fail method.
A document on the selection, use and maintenance of chemical protective clothing is available
(see Bibliography [5]).
CAUTION — Some of the procedures specified in this part of ISO 17491 involve the use of processes
which could lead to hazardous situations and hence appropriate precautions should be taken.
iv © ISO 2008 – All rights reserved
INTERNATIONAL STANDARD ISO 17491-4:2008(E)
Protective clothing — Test methods for clothing providing
protection against chemicals —
Part 4:
Determination of resistance to penetration by a spray of liquid
(spray test)
1 Scope
This part of ISO 17491 specifies methods for determining the resistance of chemical protective clothing to
penetration by sprays of liquid chemicals at two different levels of intensity:
a) Method A: low-level spray test. This is applicable to clothing that covers the full body surface and is
intended to be worn when there is a potential risk of exposure to small quantities of spray or accidental
low-volume splashes of a liquid chemical.
b) Method B: high-level spray test. This is applicable to clothing with spray-tight connections between
different parts of the clothing and, if applicable, between the clothing and other items of personal
protective equipment, which covers the full body surface and which is intended to be worn when there is a
risk of exposure to sprayed particles of liquid.
This part of ISO 17491 does not address chemical permeation resistance of the materials from which the
chemical protective clothing is made.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO/TR 11610, Protective clothing — Vocabulary
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO/TR 11610 and the following apply.
3.1
connection
assemblage or join
3.2
calibrated stain
fluorescent or visible stain, with a defined minimum area, generated by dropping a specified quantity of test
liquid on to an absorbent overall
NOTE The calibrated stain is used to measure liquid penetration during spray and jet testing of chemical protective
clothing.
...
Die Norm SIST EN ISO 17491-4:2008 stellt eine entscheidende Richtlinie für den Schutz von Mitarbeitern dar, die mit chemischen Stoffen in Kontakt kommen können. Der Fokus dieser Norm liegt auf den Testmethoden, die die Widerstandsfähigkeit von Schutzkleidung gegen das Eindringen von Sprühnebel aus Flüssigkeiten bestimmen. Die Norm ist in zwei Hauptmethoden unterteilt: den Niedrigdrucksprühtest (Methode A) und den Hochdrucksprühtest (Methode B), was ihre Anwendbarkeit in unterschiedlichen Situationen verdeutlicht. Ein wesentlicher Punkt der Norm ist ihre klare Definition des Anwendungsbereichs. Methode A, der Niedrigdrucksprühtest, ist speziell für Schutzkleidung konzipiert, die den gesamten Körper bedeckt und für Situationen mit geringem Risiko von Spritzern gedacht ist. Diese Methode bietet eine wertvolle Grundlage für die Beurteilung der Sicherheitskleidung unter weniger intensiven Bedingungen und ist daher für eine Vielzahl von Branchen von großer Bedeutung. Im Gegensatz dazu konzentriert sich Methode B auf Situationen mit höherem Risiko, in denen eine stärkere Abdichtung zwischen den verschiedenen Kleidungsstücken und der übrigen Schutzausrüstung erforderlich ist. Dieser Hochdrucksprühtest ist entscheidend für Anwendungen in Industrien, in denen ein häufigerer Kontakt mit gefährlichen chemischen Substanzen besteht. Die Norm erlaubt somit eine differenzierte Beurteilung der Schutzkleidung, wodurch die Sicherheit der Benutzer in zahlreichen Industrien gewährleistet wird. Die Stärken der Norm SIST EN ISO 17491-4:2008 liegen in ihrer umfassenden und detaillierten Prüfung von Schutzkleidung, die auf eine Vielzahl von chemischen Gefahren reagiert. Durch die Bereitstellung klarer Testmethoden bietet die Norm Unternehmen und Produzenten hilfreiche Werkzeuge, um die Sicherheit ihrer Beschäftigten zu gewährleisten. Darüber hinaus unterstützt die Norm die Hersteller beim Design und der Entwicklung von geeigneter Schutzausrüstung, die den relevanten Sicherheitsanforderungen entspricht. Die Relevanz der Norm kann nicht hoch genug eingeschätzt werden, da sie nicht nur den Schutz einzelner Personen optimiert, sondern auch zur Einhaltung internationaler Sicherheitsstandards beiträgt. Damit ist die SIST EN ISO 17491-4:2008 ein unverzichtbares Dokument für alle, die Verantwortung für Sicherheit und Gesundheit im Umgang mit chemischen Substanzen tragen.
SIST EN ISO 17491-4:2008は、化学防護服に対する液体スプレーの浸透への抵抗を測定するための試験方法を明確に定義しています。この標準は、2つの異なる強度レベルのスプレーに対する防護能力を評価するための手法を提供しており、特に防護服の性能を重要視する業界において非常に重要です。 まず、Method Aとして知られる低レベルスプレーテストは、全身を覆う防護服に適用されます。このテストは、少量のスプレーや偶発的な低体積の液体化学物質の飛沫に対するリスクがある状況での使用を意図しており、その耐久性を評価する上で重要な役割を果たしています。 一方、Method Bの高レベルスプレーテストは、異なる部位間のスプレー密閉接続がある防護服に対して適用されます。この方法は、全身をカバーし、液体のスプレー粒子にさらされるリスクがある時に着用することを目的としています。高い耐浸透性を要求される環境での保護性能を確保するため、このテストは非常に効果的です。 これらの試験方法は、化学防護服の設計と選定において極めて重要であり、産業界における安全管理の向上に寄与します。さらに、この標準は、ユーザーに対して適切な防護装置の選択を支援し、化学物質へのさらなる曝露を防ぐための基準を提供します。そのため、SIST EN ISO 17491-4:2008は、化学防護服の性能評価の重要な指針であり続けています。
La norme SIST EN ISO 17491-4:2008 établit des méthodes pour évaluer la résistance des vêtements de protection chimique à la pénétration par des sprays de produits chimiques liquides. Son champ d'application est crucial pour garantir la sécurité des utilisateurs dans des environnements à risque où une exposition à des produits chimiques est possible. Cette norme se divise en deux méthodes distinctes, chacune adaptée à différents niveaux d'exposition. La Méthode A, le test de spray à faible niveau, s'applique aux vêtements couvrant l'ensemble du corps et destinés à être portés en cas de risques d'exposition à de petites quantités de spray ou à des éclaboussures accidentelles de produits chimiques. Cela permet une évaluation efficace de la protection fournie par ces articles dans des situations moins intenses. En revanche, la Méthode B, le test de spray à niveau élevé, cible les vêtements dotés de connexions étanches entre différents éléments et, si nécessaire, avec d'autres équipements de protection individuelle. Cette méthode est particulièrement pertinente pour les scénarios où les utilisateurs sont exposés à des particules de liquide pulvérisé, garantissant ainsi un niveau de protection accru dans des conditions plus sévères. Les forces de la norme résident dans sa capacité à standardiser les essais de résistance à la pénétration, ce qui contribue à une évaluation cohérente et fiable des performances des vêtements de protection. Le fait d'avoir des critères clairs pour différents niveaux d'exposition offre aux fabricants et aux utilisateurs une compréhension précise du niveau de protection que les vêtements peuvent offrir. En termes de pertinence, la norme SIST EN ISO 17491-4:2008 est indispensable dans les secteurs tels que l'industrie chimique, pharmaceutique et alimentaire, où la sécurité des travailleurs contre les produits chimiques est primordiale. En intégrant les méthodologies de test reconnues, cette norme assure non seulement la conformité aux exigences réglementaires, mais aussi la confiance des utilisateurs dans l'équipement de protection qu'ils portent. En somme, cette norme renforce la sécurité des utilisateurs de vêtements protecteurs en définissant des méthodes d'évaluation rigoureuses et en répondant à un besoin crucial de protection contre les risques chimiques.
SIST EN ISO 17491-4:2008 표준은 화학 물질로부터 보호하는 의류에 대한 테스트 방법을 규정하고 있으며, 두 가지의 spray test 방식인 저강도 스프레이 테스트(Method A)와 고강도 스프레이 테스트(Method B)를 통해 의류의 침투 저항성을 평가합니다. 이 표준은 전체 신체를 보호하는 의류에 적합하며, 액체 화학 물질에 대한 비정상적인 노출이 예상되는 상황에서 중요한 역할을 합니다. 저강도 스프레이 테스트는 소량의 스프레이나 사고로 인한 소량의 액체 화학물질에 노출될 위험이 있는 경우에 적합한 테스트 방식입니다. 반면, 고강도 스프레이 테스트는 의류의 부품 간 및 개인 보호 장비와의 연결이 방수 처리된 경우에 적용되며, 액체 분사 입자에 대한 노출 위험이 있는 상황에서 사용됩니다. 이 표준의 강점은 화학 보호 의류의 효율성을 평가할 수 있는 명확하고 구체적인 기준을 제공한다는 점입니다. 이는 직업적으로 위험한 환경에서 일하는 근로자들의 안전을 확보하는 데 기여하며, 불필요한 사고를 예방하는 데 중요한 역할을 합니다. SIST EN ISO 17491-4:2008 표준은 화학 물질로부터의 보호와 관련된 다양하고 복잡한 노출 상황을 고려하여 설계되어 있어 실사용의 요건을 반영하고 있습니다. 따라서 이 표준은 화학 안전 규정을 준수해야 하는 모든 기업과 조직에 있어 필수적으로 참고해야 할 문서입니다.
The SIST EN ISO 17491-4:2008 standard provides essential guidelines for evaluating the effectiveness of protective clothing against chemical hazards through its established test methods. This document is particularly relevant for manufacturers and users of protective apparel, as it outlines procedures to assess the resistance to penetration by liquid chemical sprays, ensuring safety in environments with potential chemical exposure. The scope of the standard is precisely defined, introduced by two distinct methods that cater to varying levels of risk associated with chemical exposure. Method A pertains to the low-level spray test, targeting situations where individuals may encounter minor splashes or small quantities of chemical sprays. This test is vital for ensuring that everyday protective clothing provides adequate safety against less severe chemical threats, reinforcing the critical need for protection without the necessity of overly specialized gear. Conversely, Method B, associated with the high-level spray test, addresses the requirements for gear designed for more extreme scenarios. This method is particularly important for those in high-risk industries where the potential for exposure to larger volumes of sprayed chemicals exists. It emphasizes the need for a spray-tight connection, ensuring that all aspects of the protective clothing work in unison, thereby optimizing safety across the entire body surface. A significant strength of the SIST EN ISO 17491-4:2008 standard lies in its comprehensive approach to safety. By distinguishing between low and high-level spray tests, it allows for targeted evaluations that accommodate a range of user needs and scenarios. Additionally, the precise guidelines foster consistency in testing, enabling manufacturers to optimize their designs based on results and aiding users in making informed decisions about the protective gear they require. Overall, the relevance of this standard cannot be overstated, especially in today's manufacturing landscapes and safety-centric work environments. As industries increasingly prioritize employee safety against chemical exposures, adherence to the SIST EN ISO 17491-4:2008 standard will not only ensure compliance but also enhance trust in the performance of protective clothing. This standard stands as a crucial document for advancing the development of reliable protective gear suited for various chemical exposure scenarios.
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