... of 1:1, 2:1, 2.5:1, 4:1, 5:1, 10:1, 20:1, and ... , 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 ... companent impression material cartridge.3, Promote the trigger to make the impression material come out smoothly from ...