Base Oil Testing Services & Lubricant Analysis

Providing ISO/IEC 17025 accredited Base Oil Testing Services for lubricant blenders, additive manufacturers, and global industrial refineries.

Precision Quality Profiling for Lubricant Base Stocks

AGT Labs provides professional Base Oil Testing Services to verify the chemical stability and physical performance of base stock groups I, II, and III. Our Houston facility specializes in accredited characterization, performing kinematic viscosity, refractive index, and color grading to ensure your feedstock meets blending specifications for finished lubricants.

Our Base Oil Testing Services support lubricant manufacturers and traders with accredited testing for ASTM D445 and D1218. Whether managing import batch quality or verifying compositional stability during storage, we deliver the precise technical results required to protect downstream mechanical systems and optimize formulation costs.

Value for Stakeholders: Blenders ensuring additive compatibility through our Base Oil Testing Services, Refiners verifying Group classification, and Manufacturers preventing formulation failures.

Accredited Base Oil Testing Services Highlights

  • Kinematic Viscosity @ 40°C & 100°C (ASTM D445)
  • Refractive Index Analysis (ASTM D1218)
  • ASTM Color Grading (ASTM D1500)
  • Copper Strip Corrosion Rating (ASTM D130)
  • Refined Sulfur Compound Speciation (ASTM D5623)
  • Visual Appearance & Haze Detection
  • Density and API Gravity Characterization

Key Technical Parameters

Accredited analysis supporting our Base Oil Testing Services suite for high-performance lubricant stocks.

Kin. Viscosity
ASTM D445
Refractive Index
ASTM D1218
ASTM Color
ASTM D1500
Copper Corrosion
ASTM D130
API Gravity
ASTM D5002
Sulfur Analysis
ASTM D5623
Detailed Piona
ASTM D8150
Acid Number
ASTM D1613
Conductivity
ASTM D2624
Naphtha DHA
ASTM D5134
BS&W Visual
ASTM D4176
Water Content
ASTM D6304

Industries We Serve

Providing precision technical data across the lubricant supply chain utilizing our Base Oil Testing Services.

Lubricant Blenders

Verifying base stock quality to ensure formulation consistency and additive solubility in finished oils.

Base Oil Refiners

Accredited quality control for Group I, II, and III base stocks to meet global industry trade standards.

Additive Manufacturers

Evaluating base stock chemical response to proprietary additive packages for R&D and QC purposes.

Industrial End-Users

Independent verification of incoming bulk shipments to prevent mechanical wear in large industrial systems.

Petroleum Traders

Providing third-party technical COAs for international cargo transfers and specification reconciliation.

MRO Providers

Supporting Maintenance, Repair, and Overhaul facilities with baseline technical stock analysis.

Laboratory Capabilities

Analytical Systems

Our Base Oil Testing Services utilize automated digital viscometers, refractometers, and GC-FID systems. We are equipped for high-precision trace element analysis using ICP/XRF and Karl Fischer titration for moisture detection.

Advanced Technical Support

  • ISO/IEC 17025 Accredited Laboratory Procedures
  • Batch Quality Consistency Monitoring
  • Inter-Laboratory Cross-Check Participation
  • Rapid Data Availability via Secure Portal
Analytical lab instruments for base oil testing services

Sampling, Handling & Chain of Custody

Accurate Base Oil Testing Services require meticulous sampling to prevent cross-contamination from other petroleum products. We provide technical sampling kits and clean glass containers with a completed CoC.

Download Chain of Custody Form

Containers & Handling

  • Use clean amber glass bottles to prevent UV-induced oxidation.
  • Flush sampling lines to ensure a representative volume of the current batch.
  • Seal immediately to prevent moisture ingress from humid air.

Transport & Logistics

  • Label clearly with Batch ID, API Group, and Refinery origin.
  • Ship promptly; maintain cool storage for long-term stability studies.
  • Samples recorded on receipt and stored per technical ISO requirements.

Quality & Reporting

Reports from our Base Oil Testing Services provide technical clarity for blending decisions and regulatory conformance audits.

  • ✓ COA with full technical batch details & analyst verification.
  • ✓ PDF Delivery via secure client portal.
  • ✓ Measurement uncertainty data available upon request.
  • ✓ Consultation for formulation troubleshooting.

Standards & Accreditation

AGT Labs is ISO/IEC 17025 accredited. We perform Base Oil Testing Services strictly adhering to international ASTM, IP, and ISO technical methodologies.

ASTM D445
ASTM D1218
ASTM D1500
ASTM D5623
ISO/IEC 17025
ASTM D6304

Supporting high-performance blending through traceable technical data.

Frequently Asked Questions

Why is Refractive Index (ASTM D1218) tested in Base Oils?
Refractive Index is a rapid screening tool in our Base Oil Testing Services used to detect batch-to-batch variability and verify purity. It correlates with molecular weight and aromatic content, helping to identify potential contamination or blending errors.
What is the difference between Group II and III testing?
While the testing methods remain consistent in our Base Oil Testing Services, the results for Group III stocks will show higher Viscosity Indices (typically >120) and improved oxidative stability. Our analysis helps blenders verify these premium characteristics.
How fast can I get viscosity results?
Kinematic Viscosity (ASTM D445) is a standard part of our Base Oil Testing Services and can typically be delivered within 24 to 48 hours for routine samples.
Can you detect sulfur in base stocks?
Yes, we utilize ASTM D5623 within our Base Oil Testing Services to quantify sulfur compounds. This is critical for distinguishing between highly refined Group II/III oils and Group I stocks.

Certify Your Lubricant Base Stock

Need reliable accredited Base Oil Testing Services for Houston-area blending? Contact our Houston technical team today for a custom analysis quote.

Contact Technical Specialist
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