Exam 8: Adhesives

____ contact cements are nonflammable and nontoxic, so they do not pose the health hazards that the other types do, nor do they emit dangerous VOCs.

Epoxy cement is waterproof, and it sets and cures very quickly.

Glue can be used to overcome the problem of a poorly fitting joint.

____ describes the amount of time you have for applying the adhesive.

____ is a thermoplastic glue that is a type of PVA that is yellowish in color and thick, so it runs less.

____ is the amount of time it takes for the solvent in the adhesive to evaporate.

Surfaces to be bonded should be glued as soon as possible after machining is complete.

Contact cement is different from other adhesives in that it is applied to both surfaces to be bonded, and then each surface is allowed to dry.

____ is comprised of urea resins and provides a very strong bond.

Polyurethane glue is highly water and heat resistant.