Absolute Dentin comes in an automix cartirdge for quick dispensing. It's stronger core resists flexing and is densely filled (75%) with fluoride/barium glass. Dual-cure, self cures in 4 minutes or light cures in 40 seconds and it cures to a Barcol hardness of 72 - the typical hardness of dentin. (10ml cartridges require the 10ml cartridge gun dispenser.)