The 3M™ Scotch-Weld™ Applicator Guns are designed to be lightweight and industrial grade, easy to handle, and dispense liquefied adhesive to meet your needs whenever two surfaces require a strong bond. It uses electric heat to melt, and manual pressure to drive the adhesive on demand, smoothly and evenly, to keep various production processes moving. Low (127 to 132°C) temperature adhesives.