This standard specifies the detailed classification of products in Group N (insulating liquids) of lubricants and related products (Class L). It is part of GB/T 7631. This standard specifies the general classification of group N (insulating liquids). This standard is understood in conjunction with GB/T 7631.1.
GB/T 7631.15-1998 history
1998GB/T 7631.15-1998 Lubricants and related products (class L)--Classification-- Part 15: Family N (insulating liquids)