A quality pre-polish helps assure an excellent finishing process. Pre-polishing compounds are most commonly used to prepare a metal surface for final polish. Use Rio Sunsheen compounds with treated or tight muslin buffs. Bobbing compound is very abrasive for rough or as-cast metal.
This product contains silica and may cause eye, skin and lung irritation, or even silicosis or lung cancer. Use approriate safety protection when using this compound.