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3M™ Structural Adhesive SA9860
- 3M Product Number SA9860
- 3M ID B5005412005
Details
Highlights
- Two-part epoxy adhesive suitable for room-temperature curing
- High mechanical and impact strength after room-temperature cure
- Low density
- Fast curing (1.5 hours time to handling strength for increased customer productivity)
- Suitable for automated dispensing due to anti-sag properties/controlled flow behavior for easy application
- Maintains mechanical performance at high temperature
3M™ Structural Adhesive SA9860 is a two-part, room-temperature-curing, low-density automotive structural adhesive designed to provide an impact-resistant and fast-curing bond without the use of ovens. This solution allows the use of materials such as composites, which are typically sensitive to higher temperatures, to enable lightweighting of the structure and help increase design flexibility.
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Performance reliability
- Reliable bond under various environmental conditions
- Robust, structural joint and high bond strength with cohesive failure mode on e-coated and passivated aluminum
- Excellent mechanical performance and long-term durability in a wide temperature range, maintaining structural strength under high loads
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Manufacturing solutions
- High-impact-resistant bond even when cured at room temperatures, eliminating the need for oven curing and induction processing, reducing energy and associated costs
- Allows for separate storage of epoxy and curing agent, enabling an extended shelf life
- Room-temperature strength build-up enables improved productivity
- Easy application with conventional dispensing and metering systems
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Production efficiencies
- Eliminates need for oven curing and induction processing to achieve handling strength, helping customers reduce their energy use and meet their sustainability goals
- Fast curing enables a shorter cycle time for improved productivity
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Lightweighting
- Fewer mechanical fasteners are required
- Compatibility with multiple substrate materials
- Low density contributes to part weight reduction
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Product usage
Use 3M structural adhesive SA9860 in chassis, battery boxes, battery composite housings and EV batteries for a wide variety of automotive applications.
Typical properties
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Frequently asked questions
3M structural adhesive SA9860 is a two-component liquid adhesive which provides good adhesion and high-impact peel performance to prepared surfaces such as passivated and e-coated aluminum typically used for automotive structural bonding applications.
3M structural adhesive SA9860 delivers a robust, fatigue-resistant structural joint with good bond strength. This adhesive delivers high impact resistance when cured at room temperatures, eliminating the need for oven processing, reducing energy and associated costs. It is suitable for applications where oven curing is not desired.
3M structural adhesive SA9860:
• Reaches handling strength (1 MPa) in less than 1.5 hours when cured at room temperature
• Offers non-sag, thixotropic properties
• Provides good mechanical performance and long-term durability in a wide temperature range, maintaining structural strength and a durable bond under various environmental conditions
• Can be dispensed with automated dispensing equipment
Vehicle substrates should be free of contaminants prior to application. 3M structural adhesive SA9860 is not suitable for use on oily surfaces.
3M structural adhesive SA9860 has an open time of approximately 25 minutes at room temperature.
An oven is not required to cure 3M structural adhesive SA9860. It delivers a high-impact-resistant bond even when cured at room temperatures, eliminating the need for oven curing and induction processing, therefore reducing energy and associated costs.
3M structural adhesive SA9860 has been tested on e-coated, passivated, etched and primed aluminum as well as CFRP. Vehicle substrates should be free of contaminants prior to application and substrates should be allowed to reach ambient temperature prior to application. 3M structural adhesive SA9860 is not suitable for use on an oily surface.
Similar products
| Application | Body-in-White, Bonding, Fatigue Resistance, Gap Filling, Impact Resistance | |||
| Brands | 3M™ | |||
| Product Usage | Battery Boxes, Battery Composite Housings, Chassis, EV Batteries |
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