•Material - Hard Silicon Alloy Inner
•Protective polyurethane jacket outer
•Venturi shape to increase air speed and blasting efficiency
•Designed to potentially give many advantages over alternative materials.
•They can offer service life and durability similar to tungsten carbide
•Typically 20 times more wear resistant than boron alloy
•About half the weight of tungsten carbide
•Ideal for use with hard abrasives such chilled iron, and aluminium oxide.