High Temperature Food Grade Grease - Synthetic Esters

Temperature Range:-90 to 250 °C

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PFPEs are extremely stable, nonflammable, chemically inert, low vapor pressure fluids with exceptional resistance to water and oxidation. Because they are inert, PFPEs are resistant to chemical attack by most chemicals such as sulfuric acid, sodium hydroxide, etc. This also means they’re not soluble in most common solvents with the exception of fluorinated solvents. This base oil is typically used in extreme environments and to avoid plastic and elastomer compatibility problems.

PFPEs have poor heavy-load performance and poor additive solubility. Certain alloys containing titanium and aluminum can cause a catalytic depolymerization of PFPE fluids at high temperatures. This effect is commonly referred to as the “Brown Sugar Effect” due to its appearance. PFPE base oils are also two times more dense than synthetic hydrocarbons because the molecular weight of fluorine is much higher than that of hydrogen.

PFPEs are classified under the per and polyfluoroalkyl substances (PFAS) umbrella of chemicals. For more information regarding the efforts we are making to comply with PFAS regulations, please contact one of our experts

Temperature Range: -45 to 125 °C 

You will get efficient and thoughtful service from BasOil.

MACs are a highly specialized fluid that combines the low vapor pressure of a PFPE with the lubricity and film strength of a PAO. This base oil is typically used in aerospace and critical vacuum applications. 

MAC polymers have a molecular structure that resists wear-related breakdown making them ideal for heavily loaded, metal-on-metal applications. MACs also have a high surface tension, which means they have good film strength that will ensure moving parts are coated to minimize contact and friction.

MAC fluids are compatible with a wide range of materials so that they can also be used where plastic parts may encounter the lubricant. These fluids can be formulated with a wide variety of additives including anti-wear agents, extreme pressure agents, and antioxidants to achieve the desired performance of the lubricant.

While MAC products offer a host of benefits not found anywhere else, they do pose certain limitations. For example, MAC products have a limited temperature operating range of -50 °C to 125 °C. If an application, like those found in space, requires the low outgassing and excellent wear performance of a MAC lubricant and the operating temperature is below -50 °C, engineers may consider adding a heater to their design that raises the temperature into the operating temperature range of MACs.

Are you interested in learning more about synthetic ester lubricant base oil? Contact us today to secure an expert consultation!