Pumice powder has many and diverse uses from polishing to use in soaps, facial, body and foot scrubs. The finest grade FFFF is best for a mild exfoliating facial scrub, the less fine FFF, for a body scrub and the FF for a foot scrub. We offer the best price online for the quantities we sell. Pumice Grades Applications: - FFF 80% Finer than 44 microns (325 Mesh)Pottery Clay IngredientsPumice is used in glazes and clay slip bodies. Products applicable for formulating earthenware, stoneware and fine porcelain include FFFF, FFF and FF Pumice.Metal, Jewelery and Silver Finishing Buffing and PolishingPumice has a physical structure that is ideal for metal polishing treatments. It is used for copper treatments for its smooth yet abrasive action. It also provides an ideal surface for the greatest adhesion of aluminum extrusion coatings as a result of its microscopic particles. Metal treated with pumice is left with a smooth satin finish. Pumice is ideal as a buffing media for jewelers and professionals in the silver trade. It operates as the most appropriate and cost effective product in the first stage of polishing which necessitates an abrasive but very fine media. Only through buffing with a very fine grade of pumice can a mirror finish be accomplished. (Recommended Products FFFF, FFF, FF)Furniture Finishing, Antiquing, Gold Leafing and Piano Key PolishingPumice is ideally suited to furniture finishing applications. Pumice powder is the most appropriate and cost effective media for furniture finishing and is an essential functional ingredient for French Polishing.(Recommended Products FFFF, FFF, FF) The recommended grades for Gold Leafing include FFFF and FFF, for Piano Key buffing is FFF. Glass PolishingPumice operates as the most cost effective and efficient product for surface finishing and scratch removal prior to precision engraving and glass etching work. (Recommended Products FFFF, FFF, FF)