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- Unit of Measure
PHOSPHORIC ACID TYPE ACID CLEANER
Rust solvent is a phosphoric acid type cleaner usedafter dilution with water for removal of oil, grease, organic coating andoxides from most metals.
Rust solvent can be used hot. It contains inhibitors,which make it safe for cleaning iron and steel components..
Rust solvent with its acid strength coupled with aneffective blend of emulsifier, solvents, and penetrants make it an ideal singlestep cleaner and deoxidiser for most metals. This material will effectivelydissolve rust and scale.
How to use Rust Solvent
DipTime :10-15 minutes
%age of Iron (Max.) :7%
Take 10 mls of solution, dilute it to 100, mls with water. shake itwell, and then take 10 mls. Of this prepared solution and add to it three dropsof methyl orange indicator. Titrate the solution against N/10 Sodium Hydroxidetill the color changes from pink to yellow. The number of mls. Of N/10 SodiumHydroxide Consumed is the pointage.
Add 1.45 litres of Rustsolvent for 100 litres of bath to raise pointageby one.
%age of Ironcheck
Dillute 10 mls. of bath solution to 100 ml with water. Shake it well,and then take 10 mls. Of this prepared solution and add to it 5 ml of 50% conc.Sulphuric acid. Titrate the solution against N/10 Potassium Permanganatesolution till the pink colour persists for fifteen seconds.
%age of iron = number of mls. of N/10 potassium Permanganate used x0.56
Suitable containers are rubber/Pvc lined or lead lined steel tanks.Proper ventilation is recommended since there is evolution of hydrogen gas causingacid spray.
HANDLING AND SAFETY PRECAUTIONS
Rustsolvent is acidic in nature. Normal safety precautions such asrubber gloves and aprons as well as safety glasses should be worn when handlingthis chemical in case of contact with skin , flush with plenty of water andobtain medical attention.
Rustsolvent solutions are acidic in nature. Consult ChemCoat India experts with regard to waste disposal regulation and process.
Our recommendations are madein good faith and are based on our skill and experience. However, since theconditions of use of these products are beyond our control, this information isgiven on the express condition and agreement that ChemCoat India will not be liable to any person by reason thereof. Nothing hereinshall be deemed to be recommendation, to use any product in violation ofexisting patent rights.
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