EN IS0 23581 EUROPEANSTANDARD NORME EUROPEENNE EUROPAISCHE NORM May 2024 ICS 75.080 English Version Petroleum products and related products - Determination of kinematic viscosity - Method by Stabinger type viscometer (IS0 23581:2024) Produits pétroliers et produits connexes Mineralolerzeugnisse und verwandte Produkte Deétermination de la viscosite cinématique - Méthode BestimmungderdynamischenViskositatund par viscosimetre type Stabinger (IS0 23581:2024) Berechnung der kinematischen Viskositat - Verfahren mit dem Viskosimeter nach dem Stabinger-Prinzip (ISO 23581:2024) This European Standard was approved by CEN on 12 May 2024. 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-CENELEC 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 Centrehas the samestatus as the officialversions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and United Kingdom. cen EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEEUROPEENDE NORMALISATION EUROPAISCHESKOMITEEFURNORMUNG CEN-CENELECManagementCentre:RuedelaScience23,B-1040Brussels @2024CEN All rights of exploitation in any form and by any means reserved Ref. No. EN IS0 23581:2024 E worldwide for CEN national Members. EN IS0 23581:2024 (E) Contents Page European foreword... 2 EN IS0 23581:2024 (E) European foreword and related products, fuels and lubricants from natural or synthetic sources" in collaboration with Technical Committee CEN/TC 19 “Gaseous and liquid fuels, lubricants and related products of petroleum, synthetic and biological origin" the secretariat of which is held by NEN. 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of an identical text or by endorsement, at the latest by November 2024, and conflicting national standards shall be withdrawn at the latest by November 2024. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. Any feedback and questions on this document should be directed to the users' national standards body/national committee. A complete listing of these bodies can be found on the CEN website. 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, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkiye and the United Kingdom. Endorsement notice The text of IS0 23581:2024 has been approved by CEN as EN IS0 23581:2024 without any modification 3