Products

RHOBA LAVIA – CLEANERS

RHOBA LAVIA W305

Old productname: RHOBACLEAN 397 STU

Low-foaming, liquid cleaning, and degreasing concentrate, removes strongest soiling. Silicate and phosphate free. Insensitive to various level of water hardness.

 

RHOBACLEAN 397 STU
  • Properties
  • Application
  • Application concentration
  • Technical data
  • Note
  • suitable for steel
  • the pH range is strongly alkaline
  • does not contain silicates and phosphates
  • safely removes the strongest soiling, such as greases, oils, soot, resinified residues, corrosion protection agents (e.g., our RHOBA SUPRA C TYPES), etc.
  • insensitive to various levels of water hardness

Ist ein schaumarmes Reinigungs- und Entfettungskonzentrat. Zeigt hervorragende Ergebnisse, sowohl im Spritzverfahren, als auch im Tauch- und Ultraschallverfahren. Anschließend mit Wasser abspülen.

Application Concentration Temperature Processing time
Immersion and ultrasonic bath 5 - 25 Vol.% 70 - 90 °C 3 - 15 min.
Ultrasonic bath 5 - 10 Vol.% 50 - 70 °C 3 - 20 min.
Spraying 2 - 10 Vol.% 50 - 70 °C 3 - 15 min.

By titration: Add 10ml of the cleaning bath to be tested to a 250ml Erlenmeyer flask by means of a pipette. Add 50ml deionised water and 5 drops of the indicator solution (phenolphthalein solution, 1%). Titrate with 0.1 M sulphuric acid (H2SO4) until the colour changes from violet to colourless.

Concentration (Vol.%) = [consumption 0.1 M sulphuric acid (H2SO4) in ml] x 0.32

Appearance light yellow liquid
Density at 20 °C approx. 1.23 g/ml
pH value at 20 °C > 12

Before use, check material compatibility on an inconspicuous spot. Follow the manufacturer's cleaning and care instructions! No liability can be accepted for improper use and any resulting damage.