FREICLEAN 26M is a powdered, alkaline, heavy duty steel cleaner for spray or immersion applications.
Freiclean 26M is a powdered, heavy-duty inhibited spray cleaner for steel. Not recommended for use in lines processing non-ferrous metals.
FREICLEAN 26M, being I a powdered alkaline material and will generate heat when added to water. Proper safety precautions should be taken to avoid adding large localized amounts of the material to tanks as this may result in boiling and splashing of hot alkaline materials.
FREICLEAN 26M is normally used for spray cleaning at concentrations of 1.5 to 2.5 oz/gallon (10to 20 points) at temperatures of 150°F to 180°F. Treatment times of 1/2 to 2 minutes are normally sufficient for cleaning most soils depending on the amount of mechanical impingement from spray nozzles. Higher or lower concentrations may be used for more difficult or relatively easy cleaning jobs.
The concentration of FREICLEAN 26M may be determined by the following titration:
Pipet a 10 mL sample of the cleaner bath into a suitable beaker or 125 mL Erlenmeyer flask and add 5 drops of Indicating Solution 3 (phenolphthalein). Titrate the solution with Testing Solution 20 (0.1N H2SO4) until the pink solution turns white or clear.
The concentration is determined by the following calculation:
Oz/Gallon FREICLEAN 26M= 0.12 x mL’s. Testing Solution 20
A solution of Freiclean 26M prepared as described above will result in approximately a 15.0 point bath.
Addition of 7.5 lbs. of FREICLEAN 26M per 1000 gallons will increase concentration by 1 point.
CAUTION: FREICLEAN 26M is strongly alkaline. DO NOT use this material without first consulting the Material Safety Data Sheet
Carbon Steel, Stainless Steel
Cold Forming, Process Cleaning, Paint Pretreatment, Rubber-Metal Bonding
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