Which term is a preparatory material that improves adhesion and may inhibit corrosion?

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Multiple Choice

Which term is a preparatory material that improves adhesion and may inhibit corrosion?

Explanation:
Primers are coatings applied to bonding surfaces before the adhesive is applied. They enhance adhesion by improving how the adhesive wets and bonds to the surface, and they often include corrosion inhibitors to protect metal edges from rust. In auto glass work, applying a primer to bare metal around the window frame helps the urethane adhesive grip better and reduces the risk of corrosion at the bond line. The other terms don’t fit this role: prep refers to the surface preparation step rather than a coating, while sealer and sealant are used to seal joints or gaps rather than to boost adhesion and provide corrosion protection.

Primers are coatings applied to bonding surfaces before the adhesive is applied. They enhance adhesion by improving how the adhesive wets and bonds to the surface, and they often include corrosion inhibitors to protect metal edges from rust. In auto glass work, applying a primer to bare metal around the window frame helps the urethane adhesive grip better and reduces the risk of corrosion at the bond line. The other terms don’t fit this role: prep refers to the surface preparation step rather than a coating, while sealer and sealant are used to seal joints or gaps rather than to boost adhesion and provide corrosion protection.

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