... 3.Extreme pressure. (Automobile grease, lubricants Long-life Ball Case GreaseTechnical Specifications Basic Information: Base OilSemi-synthetic base oil. ... 24h) % ≤No green or black changeExtreme-pressure performance: 4-ball test, PB, ≥588Steel mesh oil filtering (100ºC,24h)% ... areas. Application: This is a specialized grease for ball cases, suitable for lubrication and sealing of constant velocity ...