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Universeal Rust-Off RTU Spray

Non-Acid Formula

Usage Guidelines

Dwell Time: 3-5 mins
Applications/Coats: 1-3 Applications
Application Method: Sponge / Brush
Dilution: Undiluted


Download a PDF Technical Application Guide


Universeal Rust-Off RTU Spray is a ready-to-use, non-acid rust remover spray suitable for use on any surfaces suffering from rust staining or spotting including stone, tile, wood, metal, textile fabric and plastic.

Special Features

  • Non-acid, pH neutral formula with fast-acting results
  • Suitable for use on natural stone, tile, wood, metal, textile fabric, plastic
  • Easy, ready to use formula can be applied to horizontal and vertical surfaces
  • Suitable for use internally and externally


  1. Generously apply Rust-Off RTU Spray to the dry contaminated surface and distribute with a brush. A dark purple reaction with the rust will begin to appear.
  2. Allow to work for 3-5 minutes as a guideline. Do not allow the product to dwell on the surface longer than the time determined by your test patch.
  3. After required dwell time, rinse off with plenty of water & allow to dry. Repeat the process for stubborn stains.
  4. Repeat the process if a purple residual stain is left behind after first application.
  5. Important: working time MUST NOT exceed 5 minutes. Some stone and coloured concrete may change colour after treatment.

Please Note:

Always test in an inconspicuous area prior to use to check product suitability and to ascertain dwell times.

Rust-off RTU Spray: guidance on dwell time testing

Universeal Rust-Off Rust Remover
If you are looking for an economical and versatile way of treating rust staining, then consider Rust-Off Rust Remover. Available in both 1 litre and 5 litre formats, this provides enough solution for large projects.

External Chemicals: Handling

Please note, our outdoor chemicals must always be handled with care. Upon receipt of your goods, you should open the packaging in a safe, suitable outdoor environment. Despite our best efforts with robust, layered packaging, there is always a small risk that damage or leakage could occur during transit. Our chemicals have the potential to damage sensitive surfaces if left unattended and we do not recommend that you store them indoors unless specifically indicated.


H315: Causes skin irritation
H317: May cause allergic skin reaction.
H319: Causes serious eye irritation.
H335: May cause respiratory irritation.
P260: Do not breathe dust/fume/gas/mist/vapours/spray.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P301+P330+P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting.
P303+P361+P353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Product SDS sheet available upon request.

Note: This product targets surface rust marks caused by metal furniture and similar metallic/rusting objects that leave rust stains. Naturally occurring iron oxide staining within stone, especially Kandla Grey Sandstone can be very difficult to remove or neutralise with this or any other rust-targeting product.


Close nozzle after each use. Store out of direct sunlight, keep in original container only.

Rust-off RTU Spray: guidance on dwell time testing
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Additional information

Weight 0.8 kg
Dimensions 5 × 5 × 15 cm
Size Option:


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