Will metalworking fluid preservatives react chemically with other fluid additives or degrade the performance of the fluid?

The compatibility of metalworking fluid preservatives with other fluid additives is an important topic that affects the overall performance of the fluid and the stability of the production process. Different types of additives have different functions in the fluid. Preservatives are usually used to prevent metal corrosion, while other additives such as lubricants, antifoaming agents, and antiwear agents are used to improve processing efficiency and extend tool life. Therefore, whether these additives with different functions interact, react chemically, or affect other properties of the fluid is a question that needs attention.
The chemical compatibility between metalworking fluid preservatives and other additives is critical. If there is incompatibility or chemical reaction between the two, it may lead to a weakened anti-corrosion effect and may even form precipitates or corrosive substances that are harmful to the equipment. For example, some preservatives may react with lubricants, resulting in the consumption of the preservative's effectiveness, thereby reducing its anti-corrosion protection. At the same time, some preservatives may react chemically with antifoaming agents, affecting the foam control effect of the fluid, which in turn affects the stability and efficiency of the process.
The physical compatibility between additives may also affect the performance of the fluid. For example, some preservatives may cause a decrease in emulsification when mixed with other additives, resulting in liquid stratification or the formation of an uneven solution, which not only affects the fluidity of the machining fluid, but may also affect cutting efficiency. If preservatives form precipitates or gel-like substances with other additives, it may cause equipment clogging or a decrease in the effectiveness of the machining fluid.
Different types of metalworking fluid preservatives may affect the function of other additives during use. Some preservatives may change the pH value of the machining fluid, while other additives are more sensitive to pH. If the pH value changes, these additives may become ineffective or decompose. In addition, the concentration of preservatives may also affect the distribution of other additives. Excessive preservative concentrations may cause other additives to be unevenly distributed, affecting the overall performance of the machining fluid.
To avoid these problems, manufacturers usually design metalworking fluid preservatives with good compatibility and ensure that these preservatives can cooperate with other common additives without negative effects. In actual applications, users should select appropriate combinations of preservatives and additives based on the machining fluid and processing technology used, and regularly monitor the performance changes of the machining fluid to ensure that each additive can fully play its role without adverse reactions.