A non-water-based tire lubricant includes a thickening agent and a thinning agent. The thickening agent may be a silicone grease or hydrotreated light petroleum distillates, and the thinning agent may be a blend of petroleum distillates and additives or a silicone liquid. The tire lubricant has a pliable consistency, is easier to apply and use than standard tire lubricants, and is not water-based so that nitrogen concentrations inside the tire are maintained at 100 percent.

Lubricating compositions are provided. The lubricating compositions can include a lubricating agent, a flexibilizer, a dispersing agent, and a charge imparting agent. The lubricating compositions can optionally include a carrier.

One aspect of the present invention relates to a sliding composition film or a method for producing a sliding composition, the sliding composition including an ethylene/-olefin/nonconjugated polyene copolymer (A); a propylene-based random copolymer (B1) and a propylene homopolymer (B2), having a melt flow rate of 0.1 to 4.0 g/10 min; high-density polyethylene (C1) having a density of 940 to 970 kg/m.sup.3 and a MFR of 0.1 g/10 min or less; ultra-high molecular weight polyethylene (C2) having an intrinsic viscosity [] of 10 to 40 dl/g (in decalin at 135 C.), an average particle size D.sub.50 of 22 to 50 m, and a density of less than 940 kg/m.sup.3; and a silicone compound (D) having a kinematic viscosity of 3,000 to 1,000,000 cSt (at 25 C.) in each predetermined content, in which the ethylene/-olefin/nonconjugated polyene copolymer (A) is at least partially cross-linked with a phenolic resin-based cross-linking agent.