American Tripoli Powder also known as Rottenstone or Quartz Powder is a microcrystalline kind of quartz produced by leaching highly siliceous limestones or altering chert, chalcedony, or novaculite. It is a soft mineral that can be found in a variety of colors and textures. Product Details: Cream 30 - Least Cut (finest mirror color) Typically used in polyolefin purging compounds and used as a less abrasive, higher impact & flexural strength-producing silica material in a molded epoxy. Product name: Tripoli, Rottenstone, Quartz Powder, Silicon Dioxide, Crystalline Silica Type: Natural Mineral Material: 98.33% Pure Quartz Mineral Powder Grade: Industrial Applications: Abrasive in polishing, buffing, and burnishing compounds; in scouring soaps and powders; a filler or extender in plastics, rubber, and sealants like caulks and epoxy resins; and a pigment in paints. Other Uses: Additive in Portland cement, glass-making, ceramics, insulation for small furnaces, making heat-resisting enamel for stoves, and other minor uses. Usages: - Remove blemishes and minor imperfections on a multitude of finishes, including wood, metal, plastic, and ceramics. - Pigment in paints improves the coating and flow of paints. - It enhances the product's strength and washability. -A filler or extender in plastics, rubber, and sealants like caulks and epoxy resins.