TerraTex LBF is a nonwoven geotextile made up of polypropylene fibers. These fibers are needled to form a stable and durable network such that the fibers retain their relative position. It is non-biodegradable and resistant to most soil chemicals, acids, and alkalies with a pH range of 3 to 12. TerraTex LBF is manufactured to meet or exceed the following values.