ISO INTERNATIONAL STANDARD 6743-8 First edition 1987-04-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXKAYHAPOAHAA OPrAHM3ALMA NO CTAHAAPTM3ALMW Lubricants, industrial oils and related products (class L) - Classification - Part 8 : Family R (Temporary protection against corrosion) Lubrifiants, huiles industrielles et produits connexes (classe L) -- Classification - Partie 8: Famille R (Protection temporaire contre la corrosion) Referencenumber ISO 6743-8: 1987 (E) Not for Resale 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, govern- mental and non-governmental, in liaison with isO, also take part in the work. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. They are approved in accordance with ISO procedures requiring at least 75 % approval by the member bodies voting. International Standard ISO 6743-8 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubricants. Users should note that all International Standards undergo revision from time to time and that any reference made herein to any other International Standard implies its latest edition, unless otherwise stated. International Organization for Standardization, 1987 Printed in Switzerland without license from IHS Not for Resale ISO 6743-8 : 1987 (E) INTERNATIONAL STANDARD Lubricants, industrial oils and related products (class L) - Classification Part 8 : Family R (Temporary protection against corrosion) 1 Scope and field of application ISo 6743-0, Lubricants, industrial oils and related products (Class L) -- Classification -- Part O: General. This part of IS0 6743 establishes the detailed classification of family R (Temporary protection against corrosion), which belongs to class L (Lubricants, industrial oils and related pro- Explanation of symbols used ducts). It should be read in conjunction with Iso 6743-0. This detailed classification of family R has been establish- 3.1 ed by defining the categories of products required for the main This classification applies to categories of products which are applications of temporary protection against corrosion, in rela- assigned to ensure temporary protection against corrosion. It tion with duty conditions (see the annex) and nature of the pro- includes only those products the main function of which is to tecting film. ensure temporary protection, the word "temporary" being relevant not to time-limit product efficiency but to the capacity for removal of the product after a certain time. Each category is designated by a symbol consisting of a group of letters, which together constitute a code. This classification excludes products that are applied for other purposes but also ensure temporary protection. Vapour-phase NOTE -- The first letter of the category (R) identifies the family of the inhibitors and other chemical products that differ from petroleum products in behaviour are also excluded. significance on their own. This classification applies to protection of both bare metals and The designation of each category can be supplemented by the coated metals (painted metallic surfaces, car bodies, etc.). In addition of viscosity grades according to iSo 3448. addition, corrosion is regarded as deterioration of surfaces of all metals, not only ferrous. 3.3 In this classification system, products are designated in a uniform manner. For example, a particular product may 2 References be designated in complete form, i.e : ISO-L-RE, or in an abbreviated form, i.e