UNI Stain Remover
How to use it: to eliminate any type of stain absorbed in natural stones without altering the polishing. We mean all the stains due to colored organic substances, oils or greases absorbed in depth or metallic rust.
Where it does not work: it does not work on corrosion spots due to acid substances.
- no.1 vial of rust removing liquid
- no.1 vial of volatile hydrocarbons / ketones
- no.1 bag of 300gr of powder for poultice
- no.2 plastic spatulas
A. Non-oily colored spots.
After you have buy hydrogen peroxide 35% (130 vol) in the pharmacy / hardware store, mix it with poultice powder to obtain a creamy paste (poultice). Cover the stain excessively with the paste and leave for a few hours until dry. Then remove the dry poultice and rinse the surface. Apply several times if necessary.
B. Oil or grease stains.
Follow the same procedure as in point A using the volatile hydrocarbon, instead of the hydrogen peroxide, and covering the poultice you have spread over the stain with plastic wrap. After drying, remove the preparation. Apply several times until complete extraction of the oily substance.
C. Rust stains.
Pour the rust remover liquid over the rust stain. Leave for a few minutes until the rust dissolves. In case of residual coloring left by the rust remover, treat as in point A.