Non Staining Mild Antioxidant is also used in natural, synthetic rubbers and lattices and also as a stabilizer for synthetic rubbers for its non-staining properties. The Mild Antioxidant is stable indefinitely under normal storage conditions. The Mild Antioxidant appears as light reddish yellow clear viscous liquid. The Non Staining Mild Antioxidant is a mixture of styrenated phenols.