Special Finishes

Architectural and Decorative Coating Specialists

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Rust Off

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Features & Benefits:

  • Effective in removing surface rust and other insoluble deposits from metal surfaces.
  • Easy to use - brush or spray on, or for best results, immerse articles in a bath of Rust-Off.
  • forms a phosphate layer to give a strong bond when repainting and inhibits further rust formation.
  • Surfactant system will degrease light oil deposits.

How to Use:

  • Use hot water for maximum efficiency.
  • Dilute 1:5 (20%) with water for heavy deposits.
  • Dilute Rust-Off 1:10 (10%) with water for lighter deposits and tank immersion.
  • Allow to react for a minimum of 15 minutes.
  • Removal should be assisted with a wire brush on heavy deposits.
  • Rinse well with clean water and allow to dry.
  • Final rinsing with a dilute oxidising agent can inhibit rust bush on drying (recommend 0.1% potassium dichromate)

Physical Data:

Form Clear Liquid
Colour Water White
Viscosity Water Thin
Specific Gravity 1.300 kg
pH (at 10%) 1.5
Flash Point Not applicable
Hazardous Ingredients Contains Phosphoric Acid

Safety Device:

Rust-Off is a weakly acidic product.  Avoid skin contact.  Wash splashed with soapy water.  In case of eye contact, wash eye with clean water for at least 15 minutes and as a precaution seek medical attention. 

Rust-Off must not be swallowed.


Whilst the information outlined above is given in good faith, it does not constitute a guarantee and neither is one implied as to the suitablility of any product described for specific end-uses.  the customer should always evaluate the suitability of products to his/her own satidsfaction.

Further inforation and assistance is available from our technical service personnel.

Warranty / Liability

Special Finishes (NZ) Ltd provides all the enclosed information in good faith but without warrantee and is to assist your application. However the use of this product being used is beyond their control. The manufacturers can accept no responsibility whatsoever for any damage or failure arising from its application or use. It is totally the responsibility of the user to insure that the product is suitable for its intended use.