Ground Ulexite, also known as Sodium Calcium Penta-borate Octahydrate, is a white, free flowing powdered material. It is a naturally occurring borate ore that is minimally processed and ground to meet manufacturing specifications for different particle sizes. Upon melting, Ulexite forms a clear melt with smooth flow properties that are ideal for particular applications.
Ulexite 2-4 mm is a greyish granular material for use in agricultural applications as a source of slow-release boron. This product is suitable for direct application to soil/crops or as part of a fertilizer blend.