Versaflow 57A Low Cement Castable is a 60% alumina, andalusite-based, dense, self-flowing, low cement castable with excellent thermal shock resistance in applications having extreme cyclic temperature conditions. This product has a unique characteristic that makes vibration not required to remove air voids. This versatile product can be either cast or pumped. This product weighs 55lb/25kg per bag. *Please note 72 bags fit per pallet.*