Up to 1:5 dilutable with water depending on the degree of soiling.
1 L for up to 20 m².

Application areas:

• Joint edge discolouration / residues of synthetic tempered joint sealer (residues on fine stoneware (hardness 8) in the pores, cleaning using quartz sand (hardness 6) 0.1 - 0.5 and silicon grinding brush (hardness 6)
• Grass / fruit acid / leafage / tea / cigarettes (tobacco)
• Wood (saw dust / cardboard / paperboard
• Fertilizer (residual stains can be removed with No. 12)
• Leaves / tannins / berries / blossoms 
• Rust converter included 
• Can be mixed with No. 8 Rust Solvent 
• For all organic stains (originating from the "Earth")

For all natural and artificial stones!

ATTENTION: Remove any coatings beforehand using Finalit No. 5 Coating Remover! Moisten the surfaces with water before working and, where possible, apply from the bottom to the top!

ATTENTION! Finalit No.4 may have a caustic effect on polished soft stone (e.g. marble, limestone)! You need to make your own tests.

Application sheet Finalit No. 4 Yellow Stain Remover

Security data sheet Finalit No. 4 Yellow Stain Remover

Application

• Up to 1:5 dilutable with water depending on the degree of soiling
• Generously apply the Yellow Stain Remover and allow to act for 5–10 minutes
• Then thoroughly rinse with water
• Apply Finalit No.1 diluted 1:20 with water for neutralising
• Allow to act for about 5 – 10 minutes
• Then thoroughly rinse with water
• If necessary, apply once more and increase the exposure time
• Finalit No.4 Yellow Stain Remover may have a slightly caustic effect on polished soft stone such as marble and limestone.
• You need to make your own tests
  
  

Profi-Tipps

Removal of fertilizers
Stains coming from fertilizers can be cleaned with No. 4, any remaining pigments in the pores can be bleached with Finalit No. 12 Stain Killer.