Exam 8: Adhesives

____ is completely waterproof and makes an excellent choice for projects that will be exposed to the weather; it also has good gap-filling properties.

____ is a measure of how the adhesive will stand up to chemical assaults such as finishes, cleaning agents, and alcohol.

____ is applied to both surfaces to be bonded, and then each surface is allowed to dry.

____ adhesion is the bonding that occurs between the adhesive and the wood fibers; tiny fingers of adhesive penetrate the pores and cell cavities of the wood.

Cohesion refers to how well glue sticks to itself.

Spray adhesives will only bond similar materials.

____ brushes used by plumbers make inexpensive glue applicators.

____ adhesives cure through a chemical reaction.

____ adhesives are dispersed through a water system.

Glues that are not as strong, such as granular hide glues, give the woodworker more open time to work before the glue begins to set up.

When ____-based glues are used, the brushes can be easily rinsed and used again.

____ contact cements set quickly and make a very strong bond, but they are highly flammable and toxic.

Aliphatic resin glues cannot be used in exterior work.

____ adhesives were the first adhesives used and have been around for thousands of years.

Cyanoacrylate is inexpensive and is good for large gluing jobs.

____ is a thermoplastic adhesive that is white in color, so it is often referred to as white glue, and it dries clear.

____, sometimes called storage time, is how long the adhesive remains usable.

____ adhesion is the molecular attraction between the glue and the wood, because glue and wood have opposite electrical charges.

The essential component of polyurethane adhesives is ____.

____ adhesives come in a solid form, usually a stick, and are applied with a special applicator, often called a glue gun.