
Industrial Rust Remover
pH-Neutral 520
For removing surface rust and metal oxides from waterborne systems without corroding the material.
- pH
- 5.2 ± 0.3
- Mildly acidic (pH 3–6)
- Dilution
- 1:19
- CIP
- 20–40 °C · 12–48 h
Choose and buy
Select a grade and pack size
| Grade | 500 mL | 5 L | 25 L |
|---|---|---|---|
| pH-Neutral 520 |
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Out of stock — closest available
Or ask us to email you when it is back →Published figures
Quoted from Lactaz product copy. A figure marked range is published for the whole Industrial Rust Remover range rather than for this grade alone. Confirm the correct figure for your system against the current safety data sheet before first use.
| Figure | Value | Scope | Source |
|---|---|---|---|
| pH | 5.2 ± 0.3 Mildly acidic | This grade | pH-neutral (5.2 ± 0.3) and non-corrosive to most materials. |
| Dilution | 1:19 1:19 | This grade | Dilute 1:19 with water. |
| CIP temperature | 20–40 °C | This grade | Circulate the solution at 20-40°C for 12-48 hours in systems containing carbon steel. |
| CIP duration | 12–48 h | This grade | Circulate the solution at 20-40°C for 12-48 hours in systems containing carbon steel. |
| Contact time | Not published | — | — |
Figures shown as “Not published” are not stated in Lactaz's published material, so they are not stated here either. Request the data sheet →
What it removes
- Surface rust
- Black rust (magnetite)
- Red rust (hematite)
- Other metal oxides (to a certain extent)
Where it is used
- Cooling systems
- Heat exchangers
- Heating systems
- Tanks
- Water pipes
- Other waterborne systems
- Boilers
- CIP (Cleaning-In-Place) operations
- Cleaning baths
- Metal components affected by black or red rust
Material notes
- pH-neutral and non-corrosive to most materials, including carbon steel.
- Contains Bio Gen Active®, chelating agents, and phosphonic acids.
- Minimal impact on lime deposits, focusing primarily on rust and metal oxides.
- Requires carbon steel in solution for optimal performance.
- Storage: keep frost-free to maintain product efficacy.
- Expiry: 3 years unopened.
How to use
- 1Shake well before use.
- 2Dilute 1:19 with water.
- 3CIP cleaning: circulate the solution at 20-40°C for 12-48 hours in systems containing carbon steel.
- 4Manual cleaning: for cleaning baths, submerge rusted components in the prepared solution for the recommended duration.
- 5Rinse the system or components thoroughly with clean water after use.

