Glue 101 - Adhesive Tech- low temp vs hot temp glue gun ,When you are working with a low-temp or high-temp hot melt glue gun, you can increase the working time by laying down a thicker bead of glue. This will keep the glue molten longer and give you more working time. You can beat the 5-second Rule of gluing by ...What is the Best Hot Glue Gun to Use? - Clumsy Crafter30/4/2013· I felt silly googling it, but had a low-temp hot glue gun & a pouch I glued together fell apart after a few uses so I was wondering if a high-temp would make that much of a difference. From what you are saying, it sounds like the high-temp is what I need!