For enquiries, please contact our operational sales team on: or +45 4917 0357 (24h)

Navaclean 801



Powerful water based alkaline cleaner and degreaser. Based on strong anionic surface-active agents and high concentration of sodium hydroxide.


About the product



  • Approved according to IMO MEPC.1/Circ. 590.
  • Complies to Marpol V.
  • Strong alkaline cleaner
  • Water based cleaner
  • Efficiency enhanced by high quality surface-active agents
  • The product is biodegradable
  • Not harmful to the marine environment
  • Cleaning concentrate


  • Can be discharged according to IMO MEPC.1/Circ. 590. and Marpol V
  • Concentrate that can be diluted with water for multiple cleaning purposes
  • Removes odors
  • Degreases multiple surfaces very efficiently, as high concentration of active ingredients.



Bulk carriers - Info for usage

For bulk carriers, the product is used for:

  • Coal
  • Petcoke
  • Removal of Navadan Hold Coat
  • Versatile product, suitable for multiple residues

Apply Navaclean 801 Alkatuff mixed in water to a dry surface, using Navadan Applicator or Navadan Bulk Cleaning Kit.

After application, ensure that the surface remains wet, until washed down.

The effect of Navaclean 801 is improved for hold cleaning with Navaclean 904 Foam Agent.

Contact Navadan Operation Sales for advice.

Can be discharged according to Marpol V

Tanker vessels - Info for usage

Navaclean 801 Alkatuff can be applied by:

Navaclean 801 Alkatuff is used as a solution made up in fresh water or sea water.

The optimal operating temperature and concentration varies, depending upon the type of cargo residues to be cleaned. Navadan Operation Sales will be pleased to guide you.

For tanker vessels, the product is used for:

  • Vegetable oils
  • Animal oils
  • Fatty acids
  • Fish oils
  • Greases
  • Waxes
  • Oil
  • Sludge,
  • Soot, carbon deposits
  • General dirt and grime.

Can be discharged according to IMO MEPC.1/Circ. 590.

Tested and approved by coating manufacturers.

Safe to use on epoxy coatings, polyurethane coatings and in stainless steel tanks

Not suitable for use on Aluminium, Magnesium and Zinc Silicate coatings

Technical data

Product characteristics

  • Appearance: Clear light yellow liquid
  • Flash Point: None
  • pH-value at 20°C: >13
  • Corrosive action: Metals: Avoid contact with aluminium, tin, zinc or their alloys. Rubber: none

Available in 25 ltr and 200 / 208 ltr drums.

For nature of special risks and safety regulations, please see our Safety Data Sheet (SDS)