FREICLEAN 10BLF is a liquid, alkaline, heavy duty cleaner for steel. The cleaner is designed for use in spray applications. FREICLEAN 10BLF is designed to remove phosphate and lubricant soils from steel work when exceptionally oily soils are present. Oily soils may be skimmed from the surface of the cleaning solution and stearate lubricant soils will not gel in the cleaning solution at ambient temperatures.
FREICLEAN 10BLF is a liquid, alkaline, heavy duty cleaner for steel. The cleaner is designed for use in spray applications. FREICLEAN 10BLF is designed to remove phosphate and lubricant soils from steel work when exceptionally oily soils are present.
FREICLEAN 10BLF may be used at concentrations of 5 – 10 % by volume, with operating temperatures of 160-200°F. The normal processing ti me is 30 -90 seconds for spray applications and 3 – 10 minutes for immersion applications. For optimum removal of heavy phosphate coatings, a concentration of 10% by volume at 190°F with immersion time of 5 minutes or more is recommended.
The FREICLEAN 10BLF solution may be monitored by titration of the free alkali as follows:
Pipet a 2 ml sample of the FREICLEAN 10BLF solution into a suitable beaker or Erlenmeyer flask and add 4 drops of Indicating Solution 3 (Phenolphthalein). Titrate the pink solution with Testing Solution 20 (0.1N H2SO4) until the pink is just removed from the solution.
A FREICLEAN 10BLF solution prepared at 10% by volume will have a titration reading of
approximately 17 points Testing Solution 20.
Addition of 6.0 gals (70 lbs) of FREICLEAN 10BLF per 1000 gals will raise the titration by 1 point.
FREICLEAN 10BLF weighs 11.6 lbs/gal. and has a specific gravity of 1.39.
CAUTION: This material is strongly alkaline and may cause burns to skin and eyes.
Carbon Steel, Stainless Steel
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