Once the glass is fitted it will magnify any hairs that are on the backing material, and therefore ruin the picture.

A silicone or release coating layer is applied to the upper side of the backing material.

In the 1950's they manufactured tufted carpeting, which was threads pushed through a backing material.

Her favorite backing material combines white stars and swirls on a navy background.

Stab and spike armor standards have been developed using 3 different backing materials.

"Adhesive transfer tape" does not have a backing material.

The decal itself is on a backing material such as paper or plastic sheeting much like a transparency.

And while we're talking about other materials, let's not forget the plywood, or the backing material, or the red silk covering.

Today these are only shown under limited light conditions where they are held tight between a backing material and perspex.

The shell mold is then placed into a flask and supported by a backing material.