Products

RHOBA LAVIA – CLEANERS

RHOBA LAVIA W306

Old productname: RHOBACLEAN 399 STU YF2

Highly alkaline low-foaming cleaning and degreasing concentrate

RHOBACLEAN 399 STU YF2
  • Properties
  • Application
  • Application concentration
  • Technical data
  • Note
  • suitable for all alkali-resistant materials, such as steel
  • free of amines and silicates
  • contains biodegradable surfactants based on renewable raw materials
  • is insensitive to a wide variety of water hardness
  • removes the strongest impurities such as greases, oils, soot, resinous residues, etc.

First fill in the required amount of water and then carefully add RHOBA LAVIA W306. After cleaning, rinse thoroughly with water and dry.

Depending on the material, subsequent passivation with corrosion protection may be necessary to prevent flash rust formation.

 

Application Concentration Temperature
Immersion bath 10 - 30 Vol.% 60 - 90 °C
Ultra-sonic bath 5 - 10 Vol.% 60 - 70 °C
Spray cleaning 2 - 10 Vol.% 60 - 70 °C

By titration: 3 ml of the cleaning bath are added to a 100 ml Erlenmeyer flask and diluted with 50ml of demineralized water. 3 drops of indicator solution (phenolphthalein solution, 1 % in ethanol). With 0.1 M sulfuric acid is titrated until the color change from violet to colorless.

Concentration (vol.%) = [consumption 0.1M sulphuric acid in ml] x 0.91

Application clear yellow/brownish liquid
Density at 20 °C approx. 1.33 g/ml
pH at 20 °C 13-14

Check material compatibility in an inconspicuous area prior to use. Follow the manufacturer's cleaning and care instructions!
No liability can be accepted for improper use and any resulting damage