... adhesivesEpoxies, urethanes, polysulfides, silicones, acrylics, methacrylates How to use caulking gun? Instructions:1, Open the swfit of handle and then ... pull the rack to reach the maximum.2, ... original location.5, Remove the cartridge, then to repeat the above operation. Suggested Use Materials:· Epoxies, Acrylics, Silicones, Polyesters.· ...