FORMCOAT SS is an immersion ferrous oxalate process for the treatment of stainless steel and high chromium-iron metals. Its use, in conjunction with an immersion lubricant (FORMLUBE) is beneficial for cold forming operations. It also has application for the wearing-in of moving parts.
FORMCOAT SS is an immersion ferrous oxalate process for the treatment of stainless steel and high chromium-iron metals. Its use, in conjunction with an immersion lubricant (FORMLUBE), is beneficial for cold forming operations. Formcoat SS can also be used to aide the wearing-in of moving parts.
- testing and control - formcoat ssa
- formcoat ssc concentration
- Ordering Information
Fill the tank (mild steel) to the three quarter level with water, heat to 160-170°F, add 500 lbs of FORMCOAT SSA and 125 lbs of FORMCOAT SSB materials for each 1000 gallons of working solution. Add water to the working level and mix thoroughly. Immediately before processing any work, add between 40-210 lbs of FORMCOAT SSC chemical (depending on the type of alloy being processed) for each 1000 gallons of solution. Treatment time ranges from 2-20 minutes at 160-170°F.
Take a 1 ml sample, add to it 10 ml Testing Solution 37 and 10 drops of Indicating Solution 3 (phenolphthalein) and titrate with Testing Solution 11 (0.1N NaOH) to a pink coloration. A bath prepared as above will give a reading of 7½ points Free Acid. Maintain the range between 7-8 points. Additions of 70 lbs/1000 gallons of FORMCOAT SSA will raise the concentration by one point.
Take a 10 ml sample and add 50 ml water, 25 ml Testing Solution 54 and 5 ml Indicating Solution
Titrate with Testing Solution 53 (0.067 N Iodine) to a dark blue color. The points obtained are a measure of FORMCOAT SSC concentration and will be between 1-6 points. Addition of 35 lbs. (3.7 gal.) per 1000 gallons will increase concentration by one point.
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