A latex formulation for preparing an accelerator-free nitrile rubber article comprising a mixture of at least one base polymer, a crosslinker, and a pH adjuster, wherein the crosslinker is an admixture of metal-based compound, wherein the metal-based compound is a trivalent metal-based compound, polyethylene glycol or derivatives of polyethylene glycol, wherein the polyethylene glycol or derivatives of polyethylene glycol have molecular weight ranging in between 200 Da to 20 000 Da, hydroxide salts, wherein the hydroxide salt is selected from the group consisting of potassium hydroxide, sodium hydroxide, ammonium hydroxide or mixtures thereof, and water, where the latex formulation includes polyethylene oxide, wherein the polyethylene oxide having molecular weight ranging in between 20 kDa to 1000 kDa.
