Why Air Compressor Oil Cannot Be Mixed

Five Core Reasons Against Oil Mixing

1. Conflicting additives cause rapid oil deterioration

   Air compressor oil contains special additives for anti-oxidation, anti-foaming, rust prevention and anti-emulsification. Additives from different manufacturers neutralize and lose efficacy after mixing. The oil will turn dark and viscous quickly under high temperature, losing lubrication and cooling functions completely.

2. Floccules and sludge form and block oil passages

   Mixed oil easily generates sediment, colloid and sludge, which clog oil filters, oil separators and pipelines. Insufficient oil supply and poor heat dissipation will lead to frequent overheating alarms.

3. Excessive foaming causes oil leakage and soaring oil consumption

   Defoaming agents of different oils are incompatible and produce massive foam. Incomplete oil-gas separation leads to oil injection, residual oil in air tanks and high oil content in delivered air, greatly raising oil consumption.

4. Broken oil film accelerates main rotor wear

   Blended oil fails to form stable and high-strength protective oil film. Friction on screws and bearings increases and causes abnormal abrasion. Long-term use gives rise to abnormal noise and oil leakage, and even fatal rotor seizure.

5. Sealing parts corrode and oil leakage occurs

   Oils vary in compatibility with rubber seals and gaskets. Mixed oil causes swelling, aging and cracking of sealing components, leading to widespread oil leakage and more frequent maintenance.

Inadmissible Mixing Behaviors

1. Blending mineral oil, semi-synthetic oil and fully synthetic oil mutually
2. Mixing oils of the same grade but different brands
3. Mixing air compressor oil with engine oil, hydraulic oil and gear oil
4. Random blending of oil batches with different formulas

Standard Oil Replacement Rules

1. Drain all old oil thoroughly when switching to another brand
2. Clean oil passages to remove residual old oil if conditions permit
3. Replace oil filter and oil separator simultaneously
4. Refill only with oil of the identical brand and model

Summary