An oil additive includes a hydrotalcite-like compound, and a radical trapping agent having a melting point of 130 C. or higher.

This disclosure is directed to an additive package for a lubricant composition that provides improved compatibility with fluoropolymer seals. The additive package comprises a seal compatibility additive. The disclosure is also directed to a lubricant composition comprising a base oil and a seal compatibility additive. The seal compatibility additive improves the compatibility with fluoropolymer seals of the resultant lubricant composition.

To provide a steel wire rod having a lubricating coating, which can achieve both corrosion resistance such as long-term rust prevention property, and excellent appearance after heading.

The steel wire rod of the present disclosure includes a lubricating coating on a surface thereof, wherein the lubricating coating includes silicon (A), tungsten (B) and an alkali metal salt of fatty acid (C), a dry mass ratio of (B)/(A) is in a range of 1.3 to 18 and a dry mass ratio of (C)/{(A)+(B)} is in a range of 0.14 to 2.0, and the lubricating coating contains no phosphorus.

Compositions comprising one or more cyclen compounds which can be structurally modified to affect anti-friction and anti-wear functionality.

The invention relates to a high-temperature grease comprising (A) 20 to 88 wt %, based on the overall weight of the grease, of a base oil, (B) 1 to 55 wt. %, based on the overall weight of the grease, of a fluorine-free material, said fluorine-free material having an average particle size (D50) of less than 80 m wherein the grease does not contain polytetrafluorothylene and/or contains polytetrafluorothylene in a proportion of less than 4 wt. %, based on the overall weight of the grease.

A high-temperature grease is disclosed comprising (A) 20 to 88 wt %, based on the total weight of the high-temperature grease, of a base oil, (B) 1 to 55 wt. %, based on the total weight of the high-temperature grease, of a fluorine-free material, the fluorine-free material having an average particle size (D50) of less than 80 m and being selected from the group consisting of (B1) a fluorine-free polymer which has aromatic, heteroaromatic, and/or heterocyclic groups and a melting or decomposition point above 200 C., fluorine-free phthalocyanin, and mixtures thereof; (B2) a melamine derivative, and/or 1,3,5-triazine-2,4,6 (1H,3H,5H)-trithione; and (B3) mixtures which contain a fluorine-free polymer and/or a fluorine-free phthalocyanin according to option B1 and a melamine derivative and/or 1,3,5-triazine-2,4,6 (1H,3H,5H)-trithione according to option B2, wherein the high-temperature grease does not contain polytetrafluorothylene and/or contains polytetrafluorothylene in a proportion of less than 6 wt. %, based on the total weight of the grease.

Melamine-based compounds suitable, in one embodiment, as a corrosion inhibitor for lubricating compositions and, in particular, a corrosion inhibitor for transmission fluids (manual, automatic, dual-clutch, or electric), axle fluids, differential fluids, tractor fluids, industrial gear fluids, and/or lubricating fluids for other gear-type applications. The melamine-based compounds are in the form of oil-soluble hydrocarbyl-substituted melamine derivatives comprising the reaction product of a hydrocarbyl-substituted succinic anhydride reacted with melamine at conditions effective to form a hydrocarbyl-substituted melamine polycarboxylic acid or anhydride compound.

The invention provides a solid lubricant in the form of film containing a triazine compound or the salt thereof, such as melamine cyanurate or the like.

A water-based lubricating coating agent includes a water-soluble silicate (A) and at least one water-soluble inorganic salt (B) selected from a tungstate, a phosphate and a borate, wherein the water-soluble silicate (A) and the at least one water-soluble inorganic salt (B) are blended such that a solid content mass ratio (B)/(A) falls within a range of 0.7 to 25.

A grease composition, containing a base oil (A), a urea-based thickener (B), and melamine cyanurate (C). Particles containing the urea-based thickener (B) in the grease composition satisfy the following requirement (I): the particles have an area-based arithmetic average particle diameter of 2.0 m or less, as measured by a laser diffraction/scattering method.