BAROID TUNNEL-GEL PLUS is a specially formulated high-yield bentonite viscosifier designed for tunneling and large-diameter HDD operations, delivering rapid viscosity development, strong borehole stabilization, and enhanced filtration control in water-based drilling fluids. It also improves cuttings transport, suspension, and lubricity, making it a dependable choice for demanding microtunneling and civil drilling applications where efficient fluid performance and ground stability are essential.