A select grade of Palmyra fiber, stiffer, more durable and more resistant to water. It usually comes in a very dark brown color or is dyed black. Its coarseness and good water resistance make it ideal for stiff scrub brushes and is widely used in conveyor cleaning brushes.

A cinnamon-colored fiber produced from the base of the leaf stalks of the India Palmyra palm. It has a medium stiff to stiff texture and is light to dark brown in color. It comes in various qualities ranging from medium stiff to prime stiff. Oiled Palmyra runs better on brush-making machines although it can also be ordered unoiled. Palmyra is used in garage floor brushes, fender washing brushes, deck brushes, and scrub brushes.

A mixture of Tampico fiber and Palmyra or Bassine, Union mixture is a strong and waterresistant mixture which is used for vegetable brushes, deck brushes and scrubbing brushes. Regular Unions are mixtures of natural Tampico while Special Unions utilize dyed Tampico.

Also known as Broom root is a species of grass, the Zacaton plant, which grows on the high plateaus of Mexico. The roots of the Zacaton are cut from the plant, washed clean from soil and transported to a preparation factory. Broom root is a tough, elastic and waterresistant material which is used for vegetable brushes, dairy scrubs, and horse grooming brushes.