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Lubricant Laboratory Equipment

We provide expert consultation, supply, and support for specialized lubricant lab equipment sourced from the most trusted and proven manufacturers worldwide. Our offerings include high-precision laboratory instruments designed to evaluate the physical, chemical, and performance characteristics of oils and lubricants in accordance with international standards. Beyond equipment supply, we deliver comprehensive services including on-site installation, system setup, and professional training for your technical staff to ensure efficient and accurate operation. Our goal is to support quality control, product development, and technical reliability across all lubricant-related processes. With deep industry knowledge and strong partnerships with global suppliers, DUTM is recognized as a reliable source for turnkey laboratory solutions tailored to the needs of the lubrication industry.

Viscometer (Kinematic & Dynamic)

Measurement of oil viscosity at different temperatures; critical for engine and industrial lubricants.

Test Method / Standard : ASTM D445 / ASTM D7042
Procedure: Heat the oil sample to the test temperature. For kinematic viscosity (ASTM D445), measure the time it takes for a fixed volume to flow through a capillary under gravity. For dynamic viscosity (ASTM D7042), use a rotational viscometer that measures resistance to rotational movement.

Determines the temperature at which oil vapor ignites; important for safety and classification.

Test Method / Standard : ASTM D92 / ASTM D93
Procedure: Heat the oil in an open or closed cup. Periodically apply a flame. The flash point is the temperature where vapor ignites momentarily. D93 is for closed-cup, and D92 for open-cup measurements.

Determines the lowest temperature at which oil flows or forms wax crystals; key for cold-weather performance.

Test Method / Standard : ASTM D97 / ASTM D2500

Procedure:

  • Pour Point (D97): Cool the oil sample gradually. Observe at intervals to determine the lowest temperature at which it still flows.
  • Cloud Point (D2500): Cool the sample and note the temperature when wax crystals first appear.

Determines the temperature at which oil vapor ignites; important for safety and classification.

Test Method / Standard : ASTM D92 / ASTM D93
Procedure: Heat the oil in an open or closed cup. Periodically apply a flame. The flash point is the temperature where vapor ignites momentarily. D93 is for closed-cup, and D92 for open-cup measurements.

Measures alkaline reserve to neutralize acids; important for engine oils.

Test Method / Standard :ASTM D2896 / ASTM D4739
Procedure: Titrate the oil sample with perchloric acid using potentiometric detection to determine the amount of alkaline material.

Measures acidity in oils; critical for assessing degradation.

Test Method / Standard : ASTM D664
Procedure: Titrate the sample with a base (typically KOH in alcohol). Detect the endpoint via potentiometric or colorimetric methods.

Determines oil condition, contamination, oxidation, nitration, sulfation and additive depletion.

Test Method / Standard : ASTM E2412 / ASTM D7414
Procedure: Analyze oil for functional group absorption in the IR region. Detects oxidation, nitration, additive depletion, and contaminants.

Measures solid contaminants in oil; crucial for hydraulic and industrial fluids.

Test Method / Standard : ISO 4406 / ASTM D7647
Procedure: Pass the oil through a laser particle counter or pore blockage device to measure and classify particulate contamination levels.

Detects water contamination in lubricants; important for system integrity.

Test Method / Standard : ASTM D6304
Procedure: Use Karl Fischer titration to determine the precise amount of water in the oil sample.

Determines oil foaming tendency; important in gear and hydraulic oils.

Test Method / Standard : ASTM D892
Procedure: Aerate the oil at a controlled temperature and measure the volume of foam generated and its collapse time.

Evaluates rust prevention ability of lubricants in presence of water.

Test Method / Standard : ASTM D665 / ASTM D1748
Procedure: Immerse metal strips in oil and water mixture under heat. Examine for signs of rust or corrosion after test duration.

Measures oil resistance to oxidation; essential for long-life oils.

Test Method / Standard : ASTM D943 / ASTM D2272

Procedure:

  • D943: Heat oil with water and metal catalysts; monitor for acid increase over time.
  • D2272: Use RPVOT method to determine oxidation stability by pressure drop in a sealed vessel.

Assesses corrosiveness of oil toward copper alloys; relevant in fuel and lubricants.

Test Method / Standard : ASTM D130
Procedure: Immerse a polished copper strip in oil at elevated temperature. After testing, compare strip to standard color chart.

Measures anti-wear and extreme pressure properties of lubricants.

Test Method / Standard : ASTM D4172 / ASTM D2783
Procedure: Rotate one ball against three stationary balls under load. Measure wear scar diameter or determine weld point for EP performance.

Measures foaming in lubricating oils at high temperatures.

Test Method / Standard : ASTM D6082
Procedure: Similar to ASTM D892, but at higher temperatures. Quantifies foam generation and collapse.

Determines the ability of oil to separate from water; important in turbine and hydraulic oils.

Test Method / Standard : ASTM D1401
Procedure: Stir oil and water together, then let them settle. Measure how quickly and completely they separate.

Measures evaporation loss at high temperatures; crucial for engine oils.

Test Method / Standard : ASTM D5800
Procedure: Heat oil under controlled airflow. Measure mass loss due to evaporation.

Calculates viscosity index of oils; important for multi-grade oils.

Test Method / Standard : ASTM D2270
Procedure: Measure viscosity at 40°C and 100°C. Calculate VI using ASTM formula to assess oil’s change in viscosity with temperature.

Determines the fire resistance characteristics of oil.

Test Method / Standard : ASTM D92
Procedure: Heat oil in an open cup. Apply flame at intervals. Flash point is when vapor ignites briefly; fire point is sustained ignition.

Measures ash content from additives; related to engine deposit control.

Test Method / Standard : ASTM D874
Procedure:  Burn oil in a crucible. Treat residue with sulfuric acid. Ignite again and weigh remaining ash.

Indicates additive content and metal impurities in lubricants.

Test Method / Standard : ASTM D874
Procedure: Burn oil in a crucible. Treat residue with sulfuric acid. Ignite again and weigh remaining ash.

Tests deposit formation tendency of oils at high temperatures.

Test Method / Standard : ASTM D3241
Procedure: Pass heated air through oil over a heater tube. Rate deposit formation visually or by weight.

Simulates engine starting in cold conditions; measures low-temperature viscosity.

Test Method / Standard : ASTM D5293
Procedure: Cool oil to sub-zero temperatures. Measure torque required to simulate engine start resistance.

Measures low-temperature pumping viscosity of oils.

Test Method / Standard : ASTM D2983
Procedure: Cool oil to low temperatures. Use a Brookfield viscometer to measure pumping viscosity under simulated conditions.

Measures air release properties of lubricants under pressure.

Test Method / Standard : ASTM D3427
Procedure: Aerate oil and measure time taken to release entrained air under specified conditions.

Analysis of base oil composition, hydrocarbons, and contamination.

Test Method / Standard : ASTM D6730
Procedure: Inject sample into chromatograph. Separate components by volatility and analyze composition via detector.

Elemental analysis of wear metals, contaminants, and additives.

Test Method / Standard : ASTM D5185
Procedure: Analyze oil sample for metal content by atomizing and detecting via absorption (AAS) or plasma emission (ICP).

Color analysis of oils and detection of degradation.

Test Method / Standard : ASTM D1500
Procedure: Compare oil color visually or via absorbance against standard color references to assess degradation.

Particle size and shape analysis; condition monitoring.

Test Method / Standard : –
Procedure: Use ferrography, SEM, or laser techniques to characterize size, shape, and composition of wear particles.

Oil blending and formulation setup

Test Method / Standard : –
Procedure: Blend base oils and additives under controlled temperature and shear to create uniform formulations.

for separation tests

Test Method / Standard : –
Procedure: Spin samples at high speed to separate components (e.g., water, sediment, or other phases).

for water-based fluids

Test Method / Standard : –
Procedure: Insert probe into water-based fluid to measure hydrogen ion concentration (acidity/basicity).

for additive testing

Test Method / Standard : –
Procedure: Simulate additive reaction processes under controlled temperature and pressure to test performance or stability.

for stability tests

Test Method / Standard : –
Procedure: Maintain constant temperature for stability testing, drying, or reaction control.

for low-temperature tests

Test Method / Standard : –
Procedure: Cool oils and fluids to sub-zero temperatures to test pour point, cloud point, and low-temp behavior.

for evaporation tests

Test Method / Standard : –
Procedure: Weigh samples accurately for mass loss, additive measurement, or blending purposes.