LTP Ferrex - Rust Remover & Stone Cleaner - 1 Litre

LTP Ferrex - Rust Remover & Stone Cleaner - 1 Litre

£12.17 inc.VAT (£10.14 ex.VAT)
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LTP Ferrex is an acid based stone cleaner which removes rust outbreaks from ferrous hard stones. For use on sandstone granite and slate. Suitable for interior &amp

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Natural stones often contain traces of Iron, which may oxidise when they come into contact with moisture either from rain or cleaning. It can also occur when stone comes into contact with certain acid-based cleaners that contain ingredients that can accelerate the oxidisation process. This would include some brick acids and cement removers. The result of this oxidation is that the stone develops rust and discolouration. LTP Ferrex is specifically formulated to help remove these blemishes.

Interior & Exterior use

Acid based stone cleaner, which contains special rust preventing ingredients designed for long term effect. 
LTP Ferrex alters the rust particles removing rust discolouration caused by iron in the stone or environmental influences.
Cement and salt residues are also removed.
Suitable for use on acid resistant natural stones including granites and slates. Not suitable for highly polished natural stone as the effect is limited or limestone and marble.

Directions for use

Ensure surface to be treated is completely free from loose dust and dirt before application.


  • Extremely severe cases dilute 1:1 with water
  • Severe cases dilute 1:2 with water
  • Mild cases dilute 1:3 with water

Test on a small area before general application. Apply the solution to the surface and spread out evenly.
For external applications garden sprayers can be used.
For severe cases surfaces should be agitated using a short haired scrubbing brush or black emulsifying pad.
After 3 – 6 hours, rinse with plenty of clean water.
If traces remain after a couple of days repeat the process.
After treatment the surface should be protected from water.

Further treatment:

Sealing with an impregnating sealer such as LTP External Stone Sealer or LTP Mattstone H20 will render the surface resistant to water penetration, greatly reducing the possibility of rust discolouration from returning.

Coverage: Per Litre:

  • Extremely severe cases - approximately 10 m²
  • Severe cases - approximately 20 m²
  • Mild cases - approximately 30 m²

Storage information:
KEEP UPRIGHT in a cool dry place.

Shelf life:
 up to 4 years.

Not suitable for use on acid sensitive surfaces such as limestone, marble enamel, zinc or other acid sensitive metals and materials that are affected by this product. Some stones may become slightly darker following application. This effect will gradually fade after some time. For single spots of rust use LTP Rust Stain Remover.

Please see Safety and Technical Data Sheets for more information.

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