Aggregates Home / Foundry / Aggregates / 325 Zircon Flour 325 Zircon Flour 325 Zircon Flour £60.00 Stock Status: In Stock Options: 25KG Pack 250KG Pack 1000KG Pack Add to your Wish List You will earn 72 points with this purchase Information Our zircon flour is a -325 mesh which is ideal for the primary slurry for ceramic shell casting giving very good surface detail.