Product
|
Complete outstanding quality and functionality are delivered through METTLER TOLEDO's comprehensive range of laboratory balances and analytical instruments that provides users with flexibility and precision.
Evaporation Loss
The Noack Evaporation Loss testing method is an essential procedure for measuring the high-temperature volatility of lubricants, base oils, and oil additives. This high-temperature lubricant evaluation is crucial in understanding how oils behave under extreme operating conditions, directly impacting engine efficiency, fuel consumption, and emission levels. By accurately determining the percentage weight loss of a sample, formulators can compare base oils and additive packages, ensuring consistent performance under thermal stress.
Maintaining a stable temperature-controlled environment at 250°C is a critical feature of the Noack method. This precise heating ensures repeatable and reliable results, adhering to globally recognized standards such as ASTM D5800 compliant evaporation test and CEC L-40-99 standard lubricant analysis. Accurate temperature control minimizes local overheating and guarantees that the measured mass loss reflects true oil volatility rather than test artifacts.
Continuous air flow over the sample is another integral aspect of the test. This airflow-assisted evaporation ensures uniform exposure of the oil to the high temperature while facilitating accelerated evaporation without decomposition. The result is a consistent and reproducible measurement of evaporation loss, providing meaningful data for lubricant development, quality control, and comparative analysis across different formulations.
The system allows for automatic collection of evaporated residues, enabling precise and accurate quantification of weight loss. This precise oil weight loss measurement is critical for evaluating base oil volatility, assessing additive efficiency, and predicting lubricant performance over long-term engine operation. By knowing how much oil evaporates, engineers can design formulations that minimize top-up needs and reduce engine deposits.
Sample preparation and handling are simplified through user-friendly design features. Samples are loaded in sealed containers, and high-sensitivity analytical scales measure weight changes with exceptional accuracy. This ensures that even minute changes in mass are captured, supporting engine oil evaporation testing and providing reliable input for R&D and quality assurance departments.
Noack Evaporation Loss testing is vital for lubricant high-temperature stability assessment. Formulators rely on this data to optimize blends, enhancing the resistance of engine oils, industrial oils, and transmission fluids to thermal evaporation. By understanding the volatility characteristics, manufacturers can reduce oil consumption, minimize harmful emissions, and improve engine durability.
The procedure supports a broad range of lubricant types and is particularly useful in R&D applications where predicting performance under prolonged high-temperature operation is crucial. The test outcomes provide actionable insights for formulation improvements, allowing chemical engineers to compare various base oils and additive packages in controlled, repeatable conditions.
Overall, the Noack Evaporation Loss instrument ensures repeatability, reliability, and compliance. Accurate temperature control, regulated air flow, and sensitive mass measurement capabilities guarantee that the results meet international standards. This method provides a benchmark for high-temperature lubricant evaluation, supporting both industrial and automotive lubricant development while reducing environmental impact and operational costs.
