3M™ Structural Adhesive SA9844 is a two-part epoxy adhesive that provides robust bonding, high impact resistance and good overall mechanical properties to prepared substrates such as aluminum and carbon fiber composites. It can be used in automotive chassis and primary structures as well as battery to structural assemblies.
3M™ Structural Adhesive SA9844 is ideal for injection bonding joints, allowing for clean assemblies, quick cycle times and robust processes. It can be dispensed with commercially available dispensing systems, facilitating automation.
3M™ Structural Adhesive SA9844 cures fully at room temperature, to enable a reduction in energy use associated with high temp cure.
For faster curing, elevated temperatures (60–80°C) can be used depending on the cycle time and heating method. Thermal induction and local spot curing are optional and allow for geo fixing where needed.
This adhesive provides consistent performance and reliable bonding strength under various process conditions, enabling a consistent, and repeatable process. It allows OEMs to enhance or potentially replace heavy mechanical fasteners such as welds, nuts and bolts, helping manage vehicle weight.
3M can also assist in creating rules for injection joint design. We can help design new injection joints or in the conversion of existing nodal structural joints to injection joints.
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