Direct pour filter sleeves comprise of a ceramic foam filter contained in an insulating sleeve as a single unit.Molten metal is poured directly into the filter sleeve unit from the ladle. Thus pouring the cup, down sprue and runner bar and in gates are completely eliminated.
The ceramic foam filter is the heart of the direct pour filter sleeve unit. When the metal is poured into the filter sleeve unit, the filter traps slag and non-metallic inclusions. At the same time it’s inter connected voids regulate the metal flow and reduces the turbulence without entraining air as the metal passes through.
After pouring is over the sleeve riser acts as a very efficient feeder
*MSDS will be provided on request