Question Is there any known information about the application process/type of glue used to secure batteries in MacBook Pros?

Nov 1, 2020
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So far, all I believe I've managed to pin down is the brand: 3M. They're one of Apple's suppliers, and they specialize in adhesives. It stands to reason they're probably supplying the glue used to affix the battery to the chassis.

What I don't know is the method of application used to dispense the glue, nor what type of glue is likely used. I'm guessing it's some kind of industrial hot melt, but research hasn't led me to anything conclusive.

I understand Apple is secretive about many of its methods of manufacturing, but maybe someone tech-savvy out there can help me out?
 

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