A high quality compressor oil designed specifically for use in centrifugal air compressors. Formulated with highly refined select paraffinic base stocks synergistically blended with additives that offer excellent corrosion protection, superior thermal stability, good water separation, antifoaming performance and oxidation resistance. Contains MONOLEC®, LE's exclusive wear-reducing additive.

Lubrication Engineers operates under an ISO 9001 Certified Quality System.
Unit of Measure

Benefits and Recommendations

Available Container Size

N/A Pail

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GHS Statement

N/A For commercial and professional use only

Beneficial Qualities

  • Contains 100% paraffinic base oils synergistically blended with additives to provide superior oxidation resistance.
  • Base oil meets or exceeds the requirements of API Group II specifications.
  • Contains MONOLEC®, LE's exclusive wear-reducing additive to assure longer life for bearings and rubbing surfaces.
  • Contains corrosion inhibition additives to prevent rust and corrosion.
  • Non-reactive toward bearings including copper bearings, silver bearings and copper-lead bearings.
  • Non-foaming in service.
  • Provides excellent separation from water.

Typical Applications

N/A This product was designed especially to meet the lubricating oil requirements for Ingersoll-Rand Centac Centrifugal Compressors. As such, it is also acceptable for use in centrifugal compressors built by other manufacturers that specify a premium ISO 32 viscosity R&O mineral oil lubricant. It is not suitable for use in Ingersoll-Rand X-FLOs, OCV/3CH, 6 CM, or 1CD 13 (NXP13 portable) units.

Performance Requirements Met or Exceeded

N/A Ingersoll-Rand Centac Centrifugal Compressor Lubricating Oil Specification

Asset Reliability Solutions

N/A Reliability Solution Products

Physical Characteristics - Typical


N/A 163.9 SUS at 100ºF 31.89 cSt at 40ºC 43.98 SUS at 210ºF 5.38 cSt at 100ºC

Flash Point

N/A 222 ºC430 ºF


N/A 32.1 ºAPI

Pour Point

N/A -36 ºC-33 ºF

ISO Grade

N/A 32

Min. Viscosity Index

N/A 100

Test Results


N/A Red

Copper Corrosion, ASTM D130

N/A 1 b

Rust Test, 48 hours, ASTM D665B

N/A Pass

Foam Test, Tendency/Stability, ASTM D892

N/A Sequence I - 0/0 Sequence II - 0/0 Sequence III - 0/0

Oxidation Test, hrs, ASTM D943

N/A 20,000

Rotary Bomb Oxidation Test, min., ASTM D2272

N/A 1310

Water Separation, ASTM D1401

N/A 40-40-0 (5)

Acid Number ASTM D974

N/A 0.05

Corrosion, ASTM D4310

N/A 0.012 mg

Customer Testimonials

Customer Testimonials

N/A 6260 City of Los Angeles