Fuji II LC - A2 Powder, Light-Cure Resin Reinforced Glass Ionomer Restorative, 15 Gm. Powder. #000196 Powder refill for GC Fuji II LC Improved. Uses unique triple-cure process for increased strength. Highly water-resistant restorations. 20-second light curing. Fuji II LC Improved Powder is a powder refill for Fuji II LC Improved. Fuji II LC Improved is a highly water-resistant restorative material that utilizes a unique triple-cure process, combining self-cure and light-cure for significantly increased mechanical adhesion.Achieve high surface hardness and continuous fluoride release in seconds with the help of Fuji II LC's unique radiopaque formulation.