Magnaglo ZAF-2 Non-Silicone Anti-Foam eliminates foaming in developer, emulsifier and magnetic particle baths. A few drops of ZAF-2 sprinkled around on the surface is all that is required to eliminate foaming in most baths. Applications: Automobile Parts, Off-Road Equipment, Farm Equipment, Welds, Castings, Forgings, Leak Testing, Pressure Vessels, Aircraft, Marine, Construction, Maintenance, Petroleum Pipelines, Power Plant Inspections, General Metalwork.
METHOD OF APPLICATION
When developer or magnetic particle baths foam excessively, sprinkle a few drops of ZAF-2 around on the surface. If some foam persists, sprinkle a few more drops. ZAF-2 may be used up to a maximum concentration of 1% by weight. However, excessive amounts of anti-foam can reduce the wetting properties of a bath or cause particle agglomeration. Start adding ZAF-2 drop-by drop, adding just enough to do reduce or eliminate problematic foaming.
In recirculating baths, such as magnetic particle units, a fine lather occasionally builds up, which ZAF-2 cannot effectively handle. This condition is due to air being drawn into the return line and beaten into the bath by the pump. When this condition occurs, look for the air leak (either a vortex forming over the outflow pipe of the sump, or else a leak in the plumbing upstream from the pump) and correct it.
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