GC Fuji IX GP® FAST is the fast setting version of GC Fuji IX GP®, a strong, wear-resistant multipurpose glass ionomer restorative. This product achieves its initial set in only 3 minutes and 35 seconds after mixing; final finishing can begin in only 3 minutes after placement. It’s non-sticky, dough-like consistency and simple placement technique make minimally invasive restorations a snap. It possesses all the benefits of a glass ionomer, with the additional advantages of packability and handling ease.