Rost 20 Remover for Rust and Oxidation Stains

REMOVER for RUST and OXIDATION STAINS FROM MARBLE AND NATURAL STONE

ROST 20 is a paste product specific to remove stains of rust and yellow stains of oxidation from marble and natural stones coming on surface from the material or/and from foundation (mortar, mortar bed, etc.), caused by the oxidation of the ferrous elements contained into the same material or foundation. FUNCTION CLEANING OF RUST STAINS AND YELLOWISH STAINS LINE DEEP CLEANING – SURFACE MAINTENANCE PROFESSIONAL INDICATION Recommended for the removal of rust stains and oxidation yellow stains MATERIALS Marbles, natural stones,.

HOW TO USE PREPARATION OF THE SURFACE Carefully protect all the surrounding metallic surfaces that can come in contact with the product (both during the application and the rinsing/washing phase)

APPLICATION Apply the paste with a paint-brush or, better, with a plastic knife (do not use metal knives or/and metallic tools in general) on the stained part of the surface and wait at least 10 to 15 minutes to let the product perform its action. The rust removing action is evidenced by a violet/purple coloration of the paste. After 20-30 minutes from the application, rinse the treated part with clear water. If rust traces persist, repeat the application also allowing the product works for longer time

TEST Before the application effect a preliminary test on a small part of the surface to determine the compatibility of the product with the material to be treated.

COMPOSITION VISCOUS AQUEOUS SOLUTION OF AMMONIA SALTS TECHNICAL INFORMATION Quantity used will vary according to the number of applications (how deep is the rust). In severe cases, allow the product works for a longer period of time or/and repeat the application. NOTE Caustic and harmful product: always wear rubber impermeable gloves, facial protection or safety goggles, protective clothing to avoid the contact with the skin and for protecting the respiratory organs. Do not smoke nor drink or eat during the operations. For more information about safety, see the product label and the Material Safety Data Sheet.