What Is Monofilament Thread Used For?

What Is Monofilament Thread Used For? Monofilament can be used as a top thread for many quilting techniques such as stitch-in-the-ditch, invisible machine applique, outlining, shaping and echoing applique, couching, and of course free motion quilting. The smoothness of the thread also makes it perfect for needle turn applique or EPP. Is monofilament thread strong?