3M™ Hot Melt Adhesive 3789

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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

Frequently viewed resources

Safety Data Sheet (PDF)

Container Size (Imperial)

Container Size (Metric)

Surface Type

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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.

Available in Q sticks, PG sticks and pellets to meet your project needs

Offers Excellent Adhesion to Polypropylene and other LSE Plastics
3M™ Hot Melt Adhesive 3789 (PDF, 334.66 Kb) 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

Hot melt adhesives, also known as glue sticks, are liquefied thermoplastic adhesives available in both low and high temperature versions.

Understanding Hot Melt Adhesives
Hot melt adhesives (PDF, 1.68 Mb), 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 250°F/121°C temperatures, which makes them ideal for bonding electronics, plastics, cloth and other heat sensitive materials. High temperature hot melt adhesives are applied at 380°F/193°C 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

Details

Adhesive Type	Polyamide
Application	Bonding Composite Materials, Mounting & Trim Attachment, Small Joint Assembly
Application Method	Spray, Bulk Process, Handheld Process
Assembly Type	Mounting & Trim Attachment, Small Joint Assembly
Brands	3M™
Case Quantity	11.0 Bags per Case
Container Size (Imperial)	11 lb, 22 lb
Container Size (Metric)	5 kg, 10 kg
Heat Resistance	220 Degree Fahrenheit
Heat Resistance (Celsius)	104 °C
Heat Resistance Temperature (Celsius)	104.0 °C
Heat Resistance Temperature (Fahrenheit)	220.0 °F
Industries	Automotive, Construction, Electronics, Military & Government, Furniture, General Industrial, Signage, Woodworking, Consumer Goods, Packaging, Retail, Specialty Vehicle, Transportation
Maximum Operating Temperature (Fahrenheit)	220 ℉
Open Time	50 Seconds
Product Color	Brown
Product Form	Pound
Shear Strength	570 psi
Smallest Saleable Unit	Case
Solids Weight Percent (Approximate)	100 %
Surface Type	Plastic, Metal
Temperature Setting for EC Heat Gun	5

Dimensions and Classifications

Overall Length (Imperial)	3 in, 8 in
Overall Length (Metric)	0.07 m, 0.2 m
Overall Width (Imperial)	0.62 in, 1 in
Overall Width (Metric)	15.9 mm, 25.4 mm

Resources

3M™ Hot Melt Adhesives 3789-B, 3789-PG, 3789-Q

Safety Data Sheets

Document Number: MSDS_1127323_US_EN

(PDF)

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For industrial/occupational use only. Not for consumer sale or use.

3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.