GC Fuji IX GP is the easy-to-use, handle and place fluoride releasing alternative to expensive compomers and composites and in many cases, amalgam. It cures extremely hard and is very wear resistant. As a true glass ionomer, it chemically bonds to tooth structure, has a tooth-like coefficient of thermal expansion and releases significant levels of rechargeable fluoride. It's the perfect product for geriatric and pediatric restorations, final restorations (non-stress areas), Intermediate Restorative (IRM), core material and long-term, temporary restorations. 2 minute working time, self-cures in 2.5 minutes (about 4.5 minutes from start of mix). 6.4ml/8g liquid.