Well filler is produced at three different production sites of the INTOCAST group. In teeming ladles INTOCAST well filler usage ensures spontaneous-opening rates at reliably high levels. In-house continuous improvement programs performed by our own technology centre are constantly advancing our ladle well filler products. Decades of experience with worldwide applications and internal exchange between international INTOCAST production lines support our development work. INTOCAST offers the classic version based on chrome ore sand as well as special compositions based on zircon sand.