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The OPTI-SEAL® UHMW-PE Plunger Seal (LDC/Milton Roy) can be used with all analytical systems - including Constametric, Minimetric, and Minipump systems.
Optimize Technologies' piston and plunger seals are the longest lasting seals on the market. Machined from either of two proprietary polymer blends, UHMW-PE or ITB, our seals provide the ultimate in high pressure sealing capacity.
For mostly aqueous buffered mobile phases, Opti-Seal® UHMW-polyethylene is the wisest choice. Specially designed to be more resistant to abrasion and wear than standard polyethylene seals, they can last up to seven times longer under mostly aqueous conditions. Despite the UHMW-PE's durability, it has a coefficient of friction approaching that of PTFE. The homogenous polymer nature leads to less shedding, but when it does occur, a larger, more fibrous particle is produced which is easily caught by a filter frit. For specific recommendation on a seal material for use with your particular mobile phase, consult our Solvent/Seal Compatibility Table.
