3M™ Hot Melt Adhesive 3789
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Details
Highlights
- Features impact resistance for durability and strength
- Ideal for difficult to bond to surfaces, including those with fuel, oil and plasticizer exposure Ideal for difficult to bond to surfaces, including those with fuel, oil and plasticizer exposure
- Provides good heat resistance
- A go-to for high performance metal bonding
- Long 50 seconds open time allows for positioning of large surface assemblies
3M™ Hot Melt Adhesive 3789 produces high strength, fuel- and oil-resistant bond on high performance metals, plastics, vinyl, wood and other surfaces. This hot melt offers a longer open time, extreme heat resistance and is available in a variety of sizes to meet your specific production needs.
3M™ Hot Melt Adhesive 3789 offers good heat resistance, fuel and oil resistance and an open bond time that allows for adjustment and positioning. It bonds to a variety of surfaces wood and lightweight metals on furniture, automotive interiors, outdoor applications and small appliances. Its 50-second open bond time is sufficient for positioning and adjusting and supports efficient production for many applications.
Recommended Applications
Headliner fixturing and attachment
Wire harness attachments
Electronics potting
Metal and plastic bonding in appliances
Attaching trim
Understanding Hot Melt Adhesives
Hot melt adhesives, also known as glue sticks, are liquefied thermoplastic adhesives available in both low and high-temperature versions. Low temperature hot melt adhesives are applied at 250ºF/121ºC temperatures, which makes them ideal for bonding electronics, plastics, cloth and other heat sensitive materials. High temperature hot melt adhesives are applied at 380ºF/193ºC and produce a stronger bond than the low temperature hot melts.
Melted adhesive is extruded through a nozzle using a 3M™ Hot Melt Applicator by either pneumatic pressure, a mechanical trigger mechanism, or with pressure applied directly on the stick. Different nozzles can be used to apply thin, wide strips or narrow, thicker beads. Hot melt adhesive generally sets quickly, ranging from a few seconds to a few minutes, depending on the adhesive formulation.
Bringing Better Ideas to the Surface through Science and Innovation
In our 3M Industrial Adhesives and Tapes Division, we apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, our technologies help customers like you deliver competitive products to the market faster and more efficiently.
Typical Properties
| Adhesive Type | Polyamide |
| Application Method | Spray, Bulk Process, Handheld Process |
| Brands | 3M™ |
| Container Size (Metric) | 5 kg, 10 kg |
| Heat Resistance | 220 Degree Fahrenheit |
| Heat Resistance (Celsius) | 104 °C |
| Heat Resistance Temperature (Celsius) | 104.0 °C |
| Industries | Automotive, Construction, Electronics, Military and Government, Furniture, General Industrial, Signage, Woodworking, Consumer Goods, Packaging, Retail, Specialty Vehicle, Transportation |
| Open Time | 50 Seconds |
| Product Form | Pound |
| Shear Strength at 72 Degrees F (22 Degrees C) | 570 psi |
| Solids Weight Percent (Approximate) | 100 % |
| Surface Type | Plastic, Metal |
| Temperature Setting for EC Heat Gun | 5 |
| Overall Length (Metric) | 0.07 Meter, 0.2 Meter |
| Overall Width (Metric) | 15.9 mm, 25.4 mm |
Resources
Safety Data Sheets
Document Number: MSDS_1127323_MY_EN
(PDF)
