GC America Fuji IX GP Fast Extra Packable Glass Ionomer Capsule A3.5A restorative cement made from the same glass ionomer material as the GC Fuji IX GP only with 1 1 4 minute working time and 3 minute set time. Excellent application for all pediatric and geriatric posterior restorations, core buildups, bases and intermediate restorations Simple technique; no etch or bonding agent needed Nonsticky, easy to use and condensable Fluoride release and recharge Self curing; no need to worry about bulk filling