lAppearance: White powder
lApplied temperature: Normal temperature~45℃
lMC-DE6660 applied concentration: 2~4%
lTreatment time: 3~8min
lTreatment way: Dip or spray
Add the MC-DE6660 20~40kg into a tank and add the water to 1000L. Then using treat the metal by dipping or spraying. Please remove rust, dust oil and other pollution by overflow or other way in time. It need to supplement the MC-DE6660, when the effect can not meet your request.
Free alkalinity test method: Firstly, add 10ml aqueous into an Erlenmeyer flask. Then add 0.1~0.5ml phenolphthalein indicator. Using 0.1mol/L HCl standard solution to titrate it. While the solution changes from red to colorless. The consumption volume of 0.1mol/L HCl standard solution is the free alkalinity value.