Product Categories / Metal Treatment / Cleaning / Cleaning Alkaline

Duraclean 255

Product description

  • Duraclean.255 is an alkaline degreaser and
    cleaner powder product, especially formulated to
    activate the metal surface prior to zinc phosphate


  • Duraclean 255 is specially designed for cleaning and activator in zinc phosphate line. It removes grease and soil from the work piece in a very short span of time with the help of its superior


  • stages zinc Phosphating line or when separate zinc Phosphating activation stage
    is not included.
  • Duraclean 255 removes dust, oil and grease at fairly low concentration due to its high detergency and emulsification power.
  •  Duraclean 255 is used mainly in spray
    application and can be used in dip
    application with air agitation.

Physical & Chemical Properties:

Appearance :Free.flowing.powder
Color: White
pH (1%)@25oC :11.3 ± 0.2
Total alkaline point (1%): 12.6 ± 0.3 

Solubility : soluble
(under desired quantity) 


The main process tank can be fabricated from mild
steel. All the spray nozzles should be of stainless steel
or PVC to avoid erosion and distortion.

Operating Parameters:

Concentration (%w/v):1.5 to 2.5
Pointage :18 – 30
Temperature (0C): 40 – 50
Time (min) :1 – 3
Nozzle pressure :1-1.5 bar

Process Sequences:

  • Cleaning and degreasing by Duraclean 255
  •  Water Rinse.
  •  Zinc Phosphating with Duraphos range product
  •  Rinsing
  •  Passivation using Durapass products

Initial Preparation

  • Add 15 to 25 kg of Duraclean 255 per 1000 liters of
    operating volume.
  • It is preferred to keep new make- up weekly.
  • Dissolve Duraclean 255 in warm water bath.


  •  Skim the oil from the surface of Duraclean 255 tank at least twice in a shift.
  •  Clean the tank at least once in biweekly to remove all