IS 1277-1975

标准号：IS 1277-1975
发布日期：1975/11/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：1.1 This standard prescribes the requirements and the methods of sampling and test for gear lubricant, regular, of the following viscosity grades mainly used for automotive purposes: a) Grade SAE 80,b) Grade SAE 90,c) Grade SAE 140, andd) Grade SAE 250.1.2 These lubricants are primarily intended for use in enclosed and semi-enclosed gear where tooth pressure and rubbing velocities are low enough so that the gears can be satisfactorily lubricated with straight mineral oils.