Derusting Chemicals

Dissolve Meproche 245 at a ratio of 5% in water. Heat upto 80-85°C and dip the parts for 5 to 10 minutes. If will remove, Industrial soil age, oil, grease etc. If will provide dirt free parts. The pink end point should be between 60-65 ml. If found less add more Meproche 245. Every 0.8 kg of Meproche 245 per 1000 liters of barh material gives rise in pointage (No. of ml of 0.1 N sulphuric acid), hence maintain the pointage between 60 and