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Prefiltration Membranes

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Add an upstream prefilter to extend the lifespan and throughput of your filter. Organic solvents are most often prefiltered through polypropylene prefilters. Aqueous solutions are most widely clarified with glass fiber prefilters with binder resin, which have superior wet strength and can collect dirt from heavily contaminated liquids.

MF-Millipore Filters MF-Millipore™ Filters 
Material: MCE (mixed cellulose esters) 
Features: Pore sizes up to 5 µm 
Applications: Air monitoring and contamination analysis for fuels and hydraulic fluids. Clarification and sterilization of fluids/buffers.
  Membrane: Nylon Membrane and Net Filters Membrane: Nylon Membrane and Net Filters 
Features: Low organic extractables and broad chemical compatibility 
Applications: Particle analysis, large particle filtration, prefiltration of solvents. Compatible with a broad range of solvents.

Glass and Quartz Fiber Filters Glass and Quartz Fiber Filters 
Features: High dirt loading capacity, binder-less options, low heavy metal content 
Applications: Prefiltration, total suspended solids, TCLP, heavy metals analysis, PM10
Membrane: Polypropylene Prefilter and Net Filters Membrane: Polypropylene Prefilter and Net Filters 
Features: High dirt loading capacity, high retention 
Applications: Prefiltration of organic solvents. Compatible with a broad range of solvents and aqueous solutions.

Membrane: RW Prefilters Membrane: RW Prefilters 
Material: Mixed cellulose esters around a polyester web 
Features: High dirt loading capacity; non-shedding; low pressure drop 
Applications: Prefiltration. Use mainly with aqueous solutions and gases.
PVC Membrane Filters PVC Membrane Filters 
Material: polyvinyl chloride 
Features: medical grade PVC (not application relevant) 
Applications: Air monitoring

Fluoropore, Mitex, Omnipore, and LCR HPLC-Certified Membrane Filters Fluoropore, Mitex, Omnipore, and LCR HPLC-Certified Membrane Filters 
Material: PTFE (polytetrafluoroethylene) 
Features: High flow rate and broad chemical compatibility 
Applications: Clarification of acids, bases, solvents, and analysis of hydraulic fluids. Broad chemical compatibility