HSS (High Strength Silica) Technology

HSS (High Strength Silica)Technology

High pore volume HPLC particles do not possess the mechanical stability necessary to withstand the high pressures inherent in UPLC® separations.  Waters material scientists addressed this challenge by developing a silica particle designed for high mechanical stability with the appropriate morphology to provide long UPLC column lifetimes and high UPLC efficiencies at high pressures.  The 1.8 µm High Strength Silica (HSS) particle is the first and only 100% silica particle designed, tested and intended for use in applications up to 15,000 psi (1034 bar).

HSS particle technology is also available in HPLC particle sizes (3.5 and 5 µm) in the HSS family of HPLC columns, enabling seamless transfer between HPLC and UPLC technology platforms.  

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