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Z Premium VM4 vacuum pump oil is a specialized lubricant designed for use in vacuum pumps. Here are some common characteristics and benefits associated with VM4 vacuum pump oil: High Vacuum Performance: VM4 oil is formulated to provide and maintain a high vacuum level within the pump system. It helps create the necessary conditions for effective vacuum operation. Low Vapor Pressure: This oil typically has low vapor pressure, which means it is less likely to evaporate under vacuum conditions, ensuring stable and consistent performance over time. Chemical Stability: VM4 oil often exhibits good chemical stability, offering protection to the internal components of the vacuum pump against corrosion and degradation caused by harsh chemicals or gases being pumped. Thermal Stability: It can withstand high temperatures generated during the pump operation, maintaining its viscosity and lubricating properties even under elevated heat conditions. Reduced Backstreaming: VM4 oil helps minimize backstreaming, which is the migration of pump oil vapors into the evacuated space, ensuring cleaner and more efficient vacuum processes. Extended Service Life: With proper maintenance and usage, VM4 oil can contribute to prolonging the life of the vacuum pump by reducing wear and tear on its components. Compatibility: It is designed to be compatible with various vacuum pump types, ensuring smooth operation without causing damage to seals, gaskets, or other pump materials. Environmental Considerations: Some formulations of VM4 oil may be designed to meet certain environmental standards, providing a more eco-friendly option compared to other vacuum pump oils.