Advantages of 3M™ Hot Melt Adhesive 3748
- Tough, flexible bond provides good thermal shock resistance
- Adheres to difficult-to-bond plastics such as polyolefins
- 100 percent solids bonds with negligible shrinking or contracting
- Excellent adhesion ensures reliable, permanent bond
- Self-extinguishing properties for electrical applications
3M™ Hot Melt Adhesive 3748 VO is a 100% solids thermoplastic, general purpose adhesive. This self extinguishing adhesive won’t burn when the source of combustion is removed. It offers good thermal and electrical properties for printed wiring, circuit board and other electronic applications and is shock resistant for parts that are subject to vibration or other movement.
3M formulates 3M™ Hot Melt Adhesive 3748 VO to cure to a strong, flexible bond for shock and vibration resistance that ensures a reliable and lasting bond. This thermoplastic hot melt, 100% solids adhesive provides good peel adhesion and thermal shock properties, the unequal expansion of different components, along with the heat resistance necessary in electronic and other environments. It offers excellent electrical properties which make it ideal for use on printed wiring board and other electronic bonding applications. It bonds well to challenging surfaces such as polyolefins and other plastics. In addition, this versatile and unique formula is non-corrosive to copper and other metals.
- Heavy duty electrical cords and connectors
- Electronics in plastic cases
- Circuit boards
- General industrial
- Point of Purchase (PoP) display
- Sample boards
- Audio components
- Panel bonding
- Wire tacking
- Foam bonding
3M™ Hot Melt Adhesive 3748 VO is self-extinguishing and has a UL 94 VO rating. In addition to its exceptional electronic applications, this adhesive formula is also useful in many general industrial bonding and sealing applications where a self-extinguishing characteristic is required. Throughout various industries, 3M™ Hot Melt Adhesives are used for potting and encapsulating where their flow and conformability allow them to fill into, or dome over, complex shapes. The shock-resistant formula protects components and wiring connections against vibration, minor impact and thermal shock.
Using 3M™ Hot Melt Adhesives uniformly distributes stress along the entire bond line. Nuts, bolts and other fasteners concentrate stress at a point which can decrease physical properties of the substrates being assembled. Uniform distribution along the bond line provides good fatigue resistance and the flexible properties of 3M™ Hot Melt Adhesive 3748 VO minimize stress from vibration or other movement. Many of the 3M adhesives provide a strong bond while also adding an effective seal against dirt, dust, water and other environmental conditions. Using hot melt adhesives is quicker and easier than soldering, requiring no soldering flux or associated fumes.
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