Solving Difficult Substrate Bonds: A Guide to Plastics, Rubber, and Composites 

Manufacturers across many automotive, medical device, electronics, and aerospace assembly applications are increasingly choosing adhesives over welds, rivets, and threaded fasteners. Adhesives reduce overall weight and expand design opportunities not possible with traditional fasteners. But not every substrate is easy to bond, and with improper adhesion, a joint that looks solid on day one can fail months later.

Aron Alpha is an industrial cyanoacrylate adhesive manufacturer formulating instant adhesives, primers, and accelerators since 1963. We synthesize, package, test, and distribute our own chemistries to maintain consistent quality control, and we hold ISO 9001 and ISO 14001 certifications. This guide covers why certain substrates resist bonding; how to prepare difficult plastics, rubber, and composites for bonding; and how to match cyanoacrylate strength and temperature resistance to your joint.

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