Lubricant selection references for specific applications
Choose the right cooling fan grease by operating temperature, speed, noise, evaporation and NLGI grade.
Understand dropping point vs operating temperature, and choose base oil and thickener for 150°C / 200°C / 250°C+ conditions.
What NLGI grades 000–3 mean, where each is used, and how speed/load/temperature decide softer vs firmer grease.