Osborn SS51 White Polishing Compound is a good choice for stainless steel. It is typically used for final finish work, but has a little more aggressiveness then the average white stainless compound. This buffing compound has a medium-to-heavy grease content, which aids in its effectiveness to stay on the surface longer. Ideal for stainless steel. Effective for final finishing work. Perfect for achieving a mirror finish on stainless steel. Best used with mill treated buffing wheels or untreated cloth wheels. What is the purpose of using SS51 White Polishing Compound ? The purpose of using Osborns white polishing compound is to put a final finish on stainless steel. This white compound bar has a little more aggressiveness than your average white stainless steel compound. What materials can Osborn SS51 be used on? This white buffing compound is generally used on stainless steel but is know to be affective on other metals as well.