Grease testing and analysis for machinery, aviation, land, marine and industrial applications.

Intertek Caleb Brett

Grease Testing and Analysis Services 

Intertek Caleb Brett provides independent, accredited grease testing to ISO 17025 and analysis for a wide range of applications, including machinery, aviation, marine, land transport, and industrial operations. Our laboratories perform grease tests to international standards such as IP, ASTM, and Defence Standards, ensuring reliable, consistent, and regulatory-compliant results, with active participation in ASTM PT-scheme testing. 

With access to a full suite of grease test rigs and analytical methods, our expert consultants, active members of EI grease committees, including the SAE AMS-M Aerospace Greases Committee, can offer tailored guidance on test method selection, performance evaluation, and results interpretation. 

Independent Grease Testing Laboratories 

Intertek grease laboratories are fully independent of lubricant and equipment manufacturers, making them the trusted choice for: 

  • Qualification and approval testing 
  • Defect investigations and root-cause analysis 
  • Comparative testing between grease brands 
  • Grease compatibility assessments 

Our flagship Farnborough, UK laboratory specialises in sensitive projects such as product approvals and brand comparisons. In addition, Intertek operates condition-based grease testing laboratories worldwide, providing local support wherever you operate. 

Grease Performance and Quality Tests 

We offer a comprehensive portfolio of standard and advanced grease tests, including: 

  • Drop Point (ASTM D566, IP 396) 
  • Cone Penetration (ASTM D217, ASTM D1403, ISO 2137, IP 50, IP310) 
  • Roll Stability ( ASTM D1831, ASTM D8022) 
  • Oxidation Stability (IP 142, ASTM D942) 
  • Copper Corrosion (ASTM D4048, IP 112) 
  • Corrosion Preventative Properties (IP 220, ASTM D6138, ISO 11007, ASTM D1743) 
  • Oil Separation (IP 121 / Def Stan 05-50 Part 9, ASTM D6184) 
  • Working Stability (Def Stan 05-50 Part 24, Part 63) 
  • Low Temperature Torque (IP 186) 
  • Fretting Wear Protection (ASTM D4170) 
  • Evaporation Loss (IP 183, ASTM D972) 
  • Anti-Wear Properties, Four-Ball (IP 239, ASTM D2266, ISO 20623) 
  • Extreme Pressure Properties, Four-Ball analysis (ASTM D2596, IP239, ISO20623) 
  • Water Washout Resistance (ASTM D1264, IP 215) 
  • Water Spray Off (ASTM D4049) 
  • Deleterious Particles (ASTM D1404) 
  • A/2.8/50 Gear Greases FZG Test. ISO 14635-3  (Run at our San Antonio facility) 

Specialised grease and lubrication engineering live testing are offered for Grease Churning test (IP 266) can be offered on request. 

Grease Condition Monitoring 

Our grease condition monitoring services help optimise asset reliability and reduce downtime. These services include: 

  • Water content testing 
  • Elemental analysis 
  • Particle quantifier (PQ) index testing 
  • Debris analysis for grease applications 

Grease Compatibility Testing 

When switching grease products, whether for cost efficiency, performance improvements, or due to product discontinuation, ensuring compatibility is critical to avoid equipment failures and operational downtime. 

Intertek offers grease compatibility testing to ASTM D6185 (Standard Practice for Evaluating Compatibility of Binary Mixtures of Lubricating Greases), helping clients transition smoothly and with confidence. 

Why Choose Intertek for Grease Testing? 

  • Globally recognised independent testing authority 
  • ISO-accredited laboratories across multiple regions 
  • Expertise spanning aviation, automotive, marine, and industrial grease applications 
  • Technical consultants engaged in international grease standards development 

Contact Intertek Caleb Brett today to discuss your grease testing and analysis requirements, and ensure your lubricants deliver optimum safety, performance, and reliability. 

Contact Intertek