【正文】 ts, testing, marking. EN 340, Protective clothing — General requirements. EN 368, Protective clothing for use against liquid chemicals — Resistance of materials to peration by liquids. EN 3743, Protective gloves against chemicals and microanisms — Part 3: Determination of resistance to permeation by chemicals. 4 Copyright European Committee for Standardizati on Provided by IHS under license with CEN No reproduction or working permitted without license from IHS Not for Resale `,```,``````,`,`,`,` EN 9431:2020 (E) EN 463, Protective clothing for use against liquid chemicals — Determination of resistance to peration by a jet of liquid (Jet Test). EN 464, Protective clothing for use against liquid and gaseous chemicals, including liquid aerosols and solid particles — Determination of leaktightness of gastight suits (Internal Pressure Test). EN 530, Abrasion resistance of protective clothing material. EN 863, Protective clothing — Mechanical Properties — Test Method — Puncture resistance. EN 12021, Respiratory protective devices – Compressed air for breathing apparatus. EN 132744, Respiratory protective devices — Methods of test — Part 4: Flame tests. prCEN ISO TR 11610, Protective clothing – Glossary of terms and definitions (ISO/DIS 11610:1997). EN ISO 6529, Protective clothing — Protection against chemicals — Determination of resistance of protective clothing materials to permeation by liquids and gases (ISO 6529:2020). EN ISO 7854, Rubber or plastics coated fabrics — Determination of resistance to damage by flexing . EN ISO 90734, Textiles — Test methods for nonwovens — Part 4: Determination of tear resistance. EN ISO 139341, Textiles Tensile properties of fabrics Part 1: Determination of maximum force and elongation at maximum force using the strip method (ISO 139341:1999). EN ISO 139352, Textiles – Seam tensile properties of fabrics and madeup textile articles Part 2: Determination of maximum force to seam rupture using the grab method (ISO 139352:1999). EN ISO 139381, Textiles — Bursting properties of fabrics — Part 1: Hydraulic method for determination of bursting strength and bursting distension. 3 Terms and definitions For the purposes of this European Standard the terms and definitions in prCEN ISO TR 11610 apply. 4 Performance requirements Materials Chemical protective clothing materials shall fulfil all the test requirements given in Table 1 when tested in accordance with the test method specified in . Preconditioning and conditioning shall be carried out in accordance with and as required 5 Copyright European Committee for Standardizati on Provided by IHS under license with CEN No reproduction or working permitted without license from IHS Not for Resale `,```,``````,`,`,`,` EN 9431:2020 (E) Table 1 — Minimum performance requirements of chemical protective clothing materials Clause in annex B Performance requirement Performance level Limited Use Re usable Abrasion resistance 3 3 Flex cracking resistance 1 4 Flex cracking at –30 176。 I S C HES KOM I TEE F 220。 EUR OP 201。ftete ―gasdichte‖ (Typ 1) und ―nichtgasdichte‖ (Typ 2) Chemikalienschutzanz252。r bel252。lich Fl252。ssige und gasf246。tanches aux gaz‖ (Type 1) et ―non 233。es et non ventil233。tements de protection contre les produits chimiques liquides et gazeux, y pris les a233。ENNE EUROP196。 — monitor related international and European developments and promulgate them in the UK. A list of anizations represented on this mittee can be obtained on request to its secretary. Crossreferences The British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled ―International Standards Correspondence Index‖, or by using the ―Search‖ facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This docum ent prises a front cover, an inside front cover, the EN title page, pages 2 to 35 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. This British Standard was published under the authority of the Standards Policy and Strat egy Committe e on 9 October 2020 169。Copyright European Committee for Standardizati on Provided by IHS under license with CEN No reproduction or working permitted without license from IHS Not for Resale BRITISH STANDARD BS EN 9431:2020 Incorporating Corrigendum No. 1 Protective clothing against liquid and gaseous chemicals, including liquid aerosols and solid particles — Part 1: Performance requirements for ventilated and nonventilated “gastight” (Type 1) and “nongastight” (Type 2) chemical protective suits The European Standard EN 9431:2020 has the status of a British Standard ICS `,```,``````,`,`,`,` Copyright European Committee for Standardizati on Provided by IHS under license with CEN No reproduction or working permitted without license from IHS Not for Resale Amd. No. Date Comments 15938 Corrigendum No. 1 January 2020 Correc