
High-Hardness German Formula Stone Marble Polishing Powder - 5kg. High-Hardness Formula: German formula with ultra-hard seal for deep, long-lasting shine. Corrosion Inhibitors: Prevents acid-induced damage and etching during polishing. Fast-Acting Efficiency: Fine powder works quickly to save time on stone surface projects. Versatile Application: Suitable for the vast majority of marble varieties and restoration. 3-Year Shelf Life: Ensures product stability and effectiveness for up to 3 years. OEM Acceptance: Customized packaging available according to client requirements. Professional Manufacturer: Over 30 years of industry experience in stone care chemicals. Nano-Alumina Base: Main component includes Nano-Alumina and Oxalic Acid for superior results.