... fluctuation during casting, resistant to dross, no leakage 3. The casting table is precision-machined, with more accurately sized and more ... aluminum seepage and avoid dents on the surface of the billet, which reduces the cost of the thimble 6. Launder with U-block ... molten aluminum and prevent the starting head from sticking when casting is started.Spare parts like: pan, train, billet grapht ring, ...