3M Hot Melt Adhesive 3748 is a black polypropylene adhesive available in a 22 lb container. Suitable for sealing, potting, and encapsulating applications. It is widely used in various industries including automotive, construction, electronics, and more. With an open time of 50 seconds, it offers a solid weight percent of approximately 100%. This adhesive has a maximum operating temperature of 175 ℉ and provides heat resistance up to 175 degrees Fahrenheit (79 °C).