Black Diamond pH7 Concentrate Neutral Ph De-Rust Solution

Black Diamond Ph7  rust remover the latest technology in rust removal.  No longer are strong acids or alkaline chemicals required to remove rust.

Black Diamond Ph7 rust remover is organic based ,non-toxic, non-corrosive, biodegradable and will remove deep rust from mild steel and iron.

Black Diamond Ph7 rust remover is safe for use on all surfaces and will not harm copper, brass, aluminium and most other types of metal allowing multi-metal components to be processed such as steel/aluminium without risk of attack.


  • Water based product
  • Neutral pH
  • Fully biodegradable
  • Non corrosive
  • Low hazard product
  • Contains no TAP’s or HAP’s ( Toxic/Hazardous Air Pollutants)
  • Easy clean up with water
  • Low make-up concentrations typically 5-25% w/w
  • Virtually odourless product
  • Removes rust from mixed metal assemblies
  • Rapidly removes rust
  • Leaves very little residue in single stage cleaning operations
  • Latest technology in rust removal
  • Inhibits against flash rusting
  • Operates from 20-70C saving energy
  • Costs less for waste disposal compared to corrosive acids.
  • Lower insurance premiums for operative safety and storage hazards.

Typical Uses

Black Diamond pH7 will remove a deep rust from various automotive components.

Typical applications include:

  • Excellent for removal of rust from a wide range engine components including cylinder heads, turbo housings etc.
  • Black Diamond pH7 is formulated for use in immersion, immersion agitation or ultrasonic systems.