This part of NBN T 52-550 establis es a general classification system which applies to lubricants, industrial oils and related products, designated by the prefix letter "L". Within this class L, 18 families of products are defined, according to the field of use of each, in order to cover, as much as possible, all the applications where lubricants, oils and oils are used. industrial and related products. The detailed classification of each family will be given in other parts of NBN T 52-550 as the need aris s. The classification only applies to new products.
NBN T 52-550-1983 history
1983NBN T 52-550-1983 Petroleum products - Lubricants, industrial oils and related products (Class L) - Classification
1982NBN T 52-550-1982 Classification of lubricants, industrial oils and related products (Class L). Part 0: Overview