... :1, 4:1, 5:1, 10:1, 20:1, and 25:1.Feature and benefit:Mix ratio ... 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, Put into two-companent ... impression material cartridge.3, Promote the trigger to make the impression material come out smoothly from ...