GREASES
The penetrations are as follows;
| NLGI CONSISTENCY NUMBERS | ||
| NLGI number | ASTM worked (60 strokes) penetration at 25˚C tenths of a millimeter | Appearance |
| 000 | 445-475 | Fluid |
| 00 | 400-430 | semi-fluid |
| 0 | 355-385 | Very soft |
| 1 | 310-340 | Soft |
| 2 | 265-295 | “normal” grease |
| 3 | 220-250 | Firm |
| 4 | 175-205 | Very firm |
| 5 | 130-160 | Hard |
| 6 | 85-115 | Very hard |