A range of chemical degassing and degassing cum grain refining agents for aluminum and its alloys. DEGASER products are compacted tablets in different sizes to facilitate treatment of various melt sizes . They are plunged into aluminium melts for degassing. Even under the best melting conditions, it is often impossible to prevent hydrogen gas from entering the melt which finally gives rise to porosity in the cast products. It is therefore necessary to remove as much of hydrogen from the melt as possible prior to pouring. DEGASER range of products remove the dissolved hydrogen by diffusion process. Degassing with these products is superior to flushing with chlorine gas which is associated with problems of space, equipment, corrosion, health hazards, etc. Some of the degassing products contain grain refining elements also and these products function as combined degassing and grain refining agents.
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