The penetration of 1 is 310-340 (110 mm).
The corresponding penetration of No.2 is 265-295 (110 mm).
English name of grease: lubricating grease；; Grease is viscous and oily semi-solid. Used for the friction part of machinery, which plays the role of lubrication and sealing. It is also used on metal surfaces to fill gaps and prevent rusting. Mainly made of mineral oil (or synthetic lubricating oil) and thickener.