Lime, rust & cement

Limescale, rust and cement are mineral deposits that can be removed using acidic cleaners. Eco-Nova offers Oxinova, Novascal and Meganova for this purpose – each tailored to the specific deposit and material. These cleaners are labelled as corrosive; we can advise you on selection, dosage and safety precautions.

Industrial plant with silos and a screw conveyor in a production hall

That’s what it’s all about

Problem and Solution

The challenge

Limescale reduces heat transfer and constricts pipes; rust weakens metal components; and cement and concrete residues harden on machinery and mixers. Mechanical removal takes a long time and often damages the surface; the wrong acids can corrode metals and joints.

Our solution

We identify the type of deposit and the material to which it is adhering, and recommend the appropriate cleaner and dosage. This allows you to remove deposits chemically rather than mechanically. The product must be used with protective equipment in accordance with the safety data sheet – on request, we can demonstrate how to use it on site.

Typical areas of application

  • Descaling of systems, boilers and pipework
  • Removing rust from metal parts
  • Cement and concrete residues on construction machinery and mixers
  • Mineral-based flooring and tiles
  • Efflorescence on walls and façades

Our product range

Suitable cleaning products

Meganova is an acidic cleaner for removing titanium dioxide, limescale, rust, urine scale and algae.
Novascal is a concentrated, acidic cleaner specially developed to remove limescale deposits. Novascal has colour coding to visualise the cleaning progress.
Oxinova is a concentrated, acidic cleaner specially developed for removing limescale and cement residues.
In addition to the cleaners you can find on our website, our range includes many other cleaners. Please ask us directly about the cleaner you cannot find.
Our technical advisory team will recommend the right accessories for your application.

Hazard labelling and the safety data sheet can be found on the relevant product page. We would also be happy to send you the safety data sheet.

FAQ

Frequently Asked Questions

Which cleaner is effective against cement and concrete residue?
Cement and concrete are mineral-based and can be removed using acidic cleaners. We recommend the appropriate cleaner and the recommended contact time for your machine.
Can I remove rust without damaging the metal?
Provided the correct dosage and application time are used, generally speaking, yes. We recommend carrying out a patch test on an inconspicuous area first.
Are the cleaning products labelled?
Yes, the cleaning agents in this category are classified as corrosive. Information on protective gloves, eye protection and other precautions can be found in the safety data sheet.
Can I try out the cleaning products beforehand?
Yes. We provide free samples and, on request, demonstrate how to use them on site.

From real-life experience

Technical articles & success stories

ISEGA and NSF certification logos
5 October 2026
· Knowledge & Tips

Compliance, certifications and the development of cleaning products

Many customers require evidence regarding cleaning products, for example regarding their suitability for use in food environments or the absence of SVHC substances on the REACH Candidate List. Several Eco-Nova cleaning products have been certified by NSF or ISEGA…

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Reliably remove limescale, rust and cement deposits

Limescale, rust and organic residues occur wherever water and oxygen favour oxidation or deposits. They occur particularly frequently on metals such as pipework or on mineral floors such as tiles. Such deposits are not only unsightly, but can also cause long-term damage to materials and systems.

Risks associated with conventional cleaning

Many conventional cleaning products are based on harsh acids or abrasive methods. If used incorrectly, they can damage materials, promote corrosion and increase maintenance requirements.

Solution with Eco-Nova industrial cleaners

Our cleaners are designed to tackle different types of deposits. They reliably remove limescale, rust and cement residues without you having to use more than is necessary. The cleaners in this category are classified as corrosive; please refer to the safety data sheet for information on protective equipment.

Areas of application & advice

Whether for metal cleaning, in the construction industry or for the thorough cleaning of machinery and surfaces – Eco-Nova offers suitable solutions for a wide range of applications. We would be happy to provide you with personalised advice and, on request, supply free samples.

Do you have a cleaning problem?

Tell us about the contamination and the surface – our technical advisers will recommend the most promising solution, with a free sample provided on request.